/* IELTS Speaking — page styles. All colors via design tokens. */

.isp-shell { --isp-accent: var(--color-accent); }

/* ─── Library cards ─────────────────────────────────────────── */
.isp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
}
.isp-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    text-decoration: none;
    color: inherit;
    transition: all var(--dur-base) var(--ease);
    display: block;
}
.isp-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.isp-card.is-locked {
    opacity: .7;
    pointer-events: auto;
}
.isp-card.is-done {
    border-color: var(--color-secondary);
}
.isp-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}
.isp-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--fs-micro);
    font-weight: var(--fw-semibold);
    padding: 3px 9px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--color-line);
    background: var(--color-soft);
    color: var(--color-muted);
    line-height: 1.4;
}
.isp-pill.is-part-1 { color: var(--color-primary); border-color: var(--color-primary-soft); background: var(--color-primary-soft); }
.isp-pill.is-part-2 { color: var(--color-accent);  border-color: var(--color-accent);       background: rgba(6,182,212,.08); }
.isp-pill.is-part-3 { color: var(--color-warning); border-color: var(--color-warning-soft); background: var(--color-warning-soft); }
.isp-pill.is-success { color: var(--color-secondary); background: rgba(16,185,129,.1); border-color: rgba(16,185,129,.25); }
.isp-pill.is-info    { color: var(--color-accent);    background: rgba(6,182,212,.1);   border-color: rgba(6,182,212,.25); }
.isp-pill.is-locked  { color: var(--color-locked);    background: rgba(148,163,184,.12); border-color: rgba(148,163,184,.3); }
.isp-card-title {
    font-size: var(--fs-h4);
    font-weight: var(--fw-semibold);
    color: var(--color-ink);
    margin: 0 0 var(--space-2) 0;
    line-height: 1.4;
    /* clamp 2 lines */
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden;
}
.isp-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    font-size: var(--fs-micro);
    color: var(--color-muted);
}
.isp-card-cta {
    margin-top: var(--space-3);
    color: var(--color-primary);
    font-weight: var(--fw-semibold);
    font-size: var(--fs-small);
}

/* ─── Stats strip ───────────────────────────────────────────── */
.isp-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-3);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}
.isp-stat-num { font-size: var(--fs-h2-desktop); font-weight: var(--fw-bold); color: var(--color-primary); line-height: 1.1; }
.isp-stat-lbl { font-size: var(--fs-micro);     color: var(--color-muted);   margin-top: 4px; }
.isp-stat-sub { font-size: var(--fs-micro);     color: var(--color-mute2);   margin-top: 2px; }

/* ─── Recorder ──────────────────────────────────────────────── */
.isp-recorder {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    box-shadow: var(--shadow-sm);
}
.isp-question-card {
    background: linear-gradient(135deg, var(--color-primary-soft), var(--color-soft));
    border: 1px solid var(--color-primary-soft);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5);
    margin-bottom: var(--space-4);
}
.isp-question-card h2 {
    margin: 0 0 var(--space-2) 0;
    font-size: var(--fs-h4);
    color: var(--color-ink);
    line-height: 1.45;
}
.isp-cue-points {
    margin: var(--space-3) 0 0 0;
    padding: 0;
    list-style: none;
}
.isp-cue-points li {
    padding-left: 22px;
    position: relative;
    margin-bottom: 6px;
    color: var(--color-text);
    font-size: var(--fs-body);
}
.isp-cue-points li::before {
    content: '›';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-primary);
    font-weight: var(--fw-bold);
}

.isp-record-btn {
    width: 130px; height: 130px;
    border-radius: 50%;
    border: 0;
    background: var(--color-primary);
    color: #fff;
    font-size: 48px;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(20,184,166,0.3);
    transition: all var(--dur-base) var(--ease);
    display: flex;
    align-items: center;
    justify-content: center;
}
.isp-record-btn:hover { transform: scale(1.04); background: var(--color-primary-hover); }
.isp-record-btn[data-variant="stop"] {
    background: var(--color-warning);
    box-shadow: 0 6px 20px rgba(245,158,11,0.3);
    animation: ispPulse 1.6s ease-in-out infinite;
}
@keyframes ispPulse {
    0%,100% { transform: scale(1);    box-shadow: 0 6px 20px rgba(245,158,11,0.3); }
    50%     { transform: scale(1.04); box-shadow: 0 8px 28px rgba(245,158,11,0.55); }
}

.isp-timer {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--color-soft);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-pill);
    padding: 8px 18px;
    font-family: var(--font-sans);
    color: var(--color-text);
    line-height: 1;
}
.isp-timer i { color: var(--color-muted); font-size: 14px; }
.isp-timer__lbl {
    font-size: var(--fs-micro);
    font-weight: var(--fw-semibold);
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.isp-timer__num {
    font-family: var(--font-mono);
    font-size: 22px;
    font-weight: var(--fw-bold);
    color: var(--color-ink);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.02em;
}
.isp-timer[data-warn="1"]                { background: var(--color-warning-soft); border-color: var(--color-warning); }
.isp-timer[data-warn="1"] i              { color: var(--color-warning); }
.isp-timer[data-warn="1"] .isp-timer__lbl{ color: var(--color-warning); }
.isp-timer[data-warn="1"] .isp-timer__num{ color: var(--color-warning); }

.isp-wave {
    display: flex;
    align-items: center;
    gap: 3px;
    height: 48px;
    justify-content: center;
}
.isp-wave-bar {
    display: inline-block;
    width: 4px;
    min-height: 6px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: height 0.05s linear;
}

.isp-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    font-size: var(--fs-small);
    background: var(--color-soft);
    color: var(--color-muted);
    border: 1px solid var(--color-line);
}
.isp-status[data-kind="recording"] { background: var(--color-warning-soft); color: var(--color-warning); border-color: var(--color-warning); }
.isp-status[data-kind="success"]   { background: rgba(16,185,129,.1); color: var(--color-secondary); border-color: rgba(16,185,129,.3); }
.isp-status[data-kind="info"]      { background: rgba(6,182,212,.1);  color: var(--color-accent);    border-color: rgba(6,182,212,.3); }

.isp-tip {
    margin-top: var(--space-3);
    padding: var(--space-3);
    background: rgba(6,182,212,.07);
    border-left: 3px solid var(--color-accent);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: var(--fs-small);
}

.isp-notes-area {
    width: 100%;
    min-height: 100px;
    background: var(--color-bg);
    border: 1px dashed var(--color-line);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    font-family: var(--font-sans);
    font-size: var(--fs-small);
    color: var(--color-text);
    resize: vertical;
}
.isp-notes-area:focus {
    outline: none;
    border-color: var(--color-primary);
    border-style: solid;
}

.isp-error {
    background: var(--color-warning-soft);
    border: 1px solid var(--color-warning);
    color: var(--color-warning);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    margin: var(--space-3) 0;
}

/* Error card (in error-pane) — friendlier presentation than raw red banner */
.isp-error-card {
    background: var(--color-warning-soft);
    border: 1px solid var(--color-warning-soft);
    border-left: 4px solid var(--color-warning);
    border-radius: var(--radius-lg);
    padding: var(--space-5) var(--space-4);
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
}
.isp-error-card__icon {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: var(--color-warning);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: var(--space-3);
    box-shadow: 0 4px 12px rgba(245,158,11,0.3);
}
.isp-error-card h3 {
    margin: 0 0 var(--space-2) 0;
    color: var(--color-warning);
    font-size: var(--fs-h4);
    font-weight: var(--fw-bold);
}
.isp-error-card__msg {
    color: var(--color-text);
    font-size: var(--fs-small);
    line-height: 1.6;
    margin: 0 auto var(--space-3);
    max-width: 460px;
    background: var(--color-surface);
    border: 1px solid var(--color-warning-soft);
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-3);
    text-align: left;
    word-break: break-word;
}
.isp-error-card__hint {
    color: var(--color-muted);
    font-size: var(--fs-micro);
    line-height: 1.6;
    margin: 0 auto var(--space-4);
    max-width: 460px;
}
.isp-error-card__hint i { color: var(--color-accent); margin-right: 4px; }
.isp-error-card__hint strong { color: var(--color-secondary); }

/* ─── Result page tabs ─────────────────────────────────────── */
.isp-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-4);
    overflow-x: auto;
}
.isp-tab {
    padding: var(--space-3) var(--space-4);
    border: 0;
    border-bottom: 2px solid transparent;
    background: transparent;
    color: var(--color-muted);
    font-weight: var(--fw-semibold);
    font-size: var(--fs-small);
    cursor: pointer;
    white-space: nowrap;
}
.isp-tab.is-active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}
.isp-tab-pane { display: none; }
.isp-tab-pane.is-active { display: block; }

/* ─── Score grid ───────────────────────────────────────────── */
.isp-score-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-3);
}
.isp-score-cell {
    background: var(--color-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    text-align: center;
}
.isp-score-band {
    font-size: var(--fs-h2-desktop);
    font-weight: var(--fw-extrabold);
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 6px;
}
.isp-score-cell[data-criterion="overall"] .isp-score-band {
    color: var(--color-accent);
    font-size: var(--fs-h1-desktop);
}
.isp-score-label {
    font-size: var(--fs-micro);
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: .04em;
}

/* ─── Transcript review ────────────────────────────────────── */
.isp-transcript {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    line-height: 1.8;
    font-size: var(--fs-body);
    color: var(--color-text);
}
.isp-transcript mark {
    background: rgba(245,158,11,.18);
    color: var(--color-warning);
    padding: 1px 4px;
    border-radius: 4px;
}
.isp-transcript .filler { background: rgba(148,163,184,.18); color: var(--color-muted); }

.isp-error-list { list-style: none; padding: 0; margin: 0; }
.isp-error-list li {
    padding: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-2);
    background: var(--color-surface);
}
.isp-error-list .ev-orig { color: var(--color-warning); text-decoration: line-through; }
.isp-error-list .ev-fix  { color: var(--color-secondary); font-weight: var(--fw-semibold); }
.isp-error-list .ev-cat  { font-size: var(--fs-micro); text-transform: uppercase; color: var(--color-muted); letter-spacing: .04em; }

.isp-improved-answer {
    background: rgba(16,185,129,.06);
    border-left: 3px solid var(--color-secondary);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    line-height: 1.7;
    color: var(--color-text);
    font-size: var(--fs-body);
}

/* ─── Filter tabs (library) ────────────────────────────────── */
.isp-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: var(--space-4);
    background: var(--color-surface);
    padding: var(--space-2);
    border-radius: var(--radius-pill);
    border: 1px solid var(--color-border);
}
.isp-filter-tab {
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    color: var(--color-muted);
    font-weight: var(--fw-medium);
    font-size: var(--fs-small);
    text-decoration: none;
}
.isp-filter-tab.is-active {
    background: var(--color-primary);
    color: #fff;
}

/* ─── Loading shimmer ──────────────────────────────────────── */
.isp-shimmer {
    background: linear-gradient(90deg, var(--color-soft) 25%, var(--color-line) 50%, var(--color-soft) 75%);
    background-size: 200% 100%;
    animation: ispShimmer 1.4s linear infinite;
    border-radius: var(--radius-md);
}
@keyframes ispShimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

@media (max-width: 640px) {
    .isp-record-btn { width: 100px; height: 100px; font-size: 38px; }
    .isp-stats { grid-template-columns: 1fr 1fr; }
    .isp-stat-num { font-size: var(--fs-h3); }
}

/* ============================================================
 * Library v2 — pro hero, sticky toolbar, sectioned grid
 * ============================================================ */

/* ─── Pro hero ──────────────────────────────────────────────── */
.isp-hero-pro {
    position: relative;
    background:
        radial-gradient(circle at 0% 0%, rgba(20,184,166,0.12), transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(6,182,212,0.10), transparent 55%),
        var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6) var(--space-5);
    margin-bottom: var(--space-4);
    overflow: hidden;
}
.isp-hero-pro::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(20,184,166,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(20,184,166,0.04) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
    mask-image: radial-gradient(circle at center, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(circle at center, black 30%, transparent 75%);
}
.isp-hero-pro__grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.4fr auto;
    gap: var(--space-5);
    align-items: center;
}
.isp-hero-pro__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--color-primary-soft);
    color: var(--color-primary-hover);
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: var(--fs-micro);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: var(--space-3);
}
.isp-hero-pro h1 {
    font-size: clamp(24px, 3vw, 36px);
    font-weight: var(--fw-extrabold);
    color: var(--color-ink);
    line-height: 1.15;
    margin: 0 0 var(--space-2) 0;
}
.isp-hero-pro h1 .grad {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.isp-hero-pro p {
    color: var(--color-text);
    line-height: 1.65;
    margin: 0 0 var(--space-4) 0;
    max-width: 60ch;
}
.isp-hero-pro__ctas {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}
.isp-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-weight: var(--fw-semibold);
    font-size: var(--fs-small);
    text-decoration: none;
    transition: all var(--dur-base) var(--ease);
    border: 1px solid transparent;
}
.isp-cta--primary  { background: var(--color-primary);   color: #fff; }
.isp-cta--primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.isp-cta--accent   { background: var(--color-accent);    color: #fff; }
.isp-cta--accent:hover  { filter: brightness(1.05); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.isp-cta--ghost    { background: var(--color-surface);   color: var(--color-text); border-color: var(--color-border); }
.isp-cta--ghost:hover   { border-color: var(--color-primary); color: var(--color-primary); }

/* ─── Band gauge (SVG) ─────────────────────────────────────── */
.isp-band-gauge {
    position: relative;
    width: 180px;
    height: 180px;
    flex-shrink: 0;
}
.isp-band-gauge svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.isp-band-gauge__bg   { stroke: var(--color-line);    stroke-width: 12; fill: none; }
.isp-band-gauge__fill {
    stroke: url(#ispGaugeGrad);
    stroke-width: 12;
    fill: none;
    stroke-linecap: round;
    transition: stroke-dashoffset 1s var(--ease);
}
.isp-band-gauge__center {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}
.isp-band-gauge__num {
    font-size: 40px;
    font-weight: var(--fw-extrabold);
    color: var(--color-primary);
    line-height: 1;
}
.isp-band-gauge__lbl {
    font-size: var(--fs-micro);
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-top: 4px;
}
.isp-band-gauge__target {
    font-size: var(--fs-micro);
    color: var(--color-mute2);
    margin-top: 2px;
}

/* ─── Compact stats bar ────────────────────────────────────── */
.isp-stats-bar {
    display: grid;
    grid-template-columns: repeat(5, 1fr) auto;
    gap: var(--space-3);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-3) var(--space-4);
    margin-bottom: var(--space-4);
}
.isp-stat-cell {
    text-align: center;
    border-right: 1px solid var(--color-line);
    padding: 0 var(--space-2);
}
.isp-stat-cell:last-child { border-right: 0; }
.isp-stat-cell__num {
    font-size: 22px;
    font-weight: var(--fw-extrabold);
    color: var(--color-ink);
    line-height: 1;
}
.isp-stat-cell__num.is-soft { color: var(--color-muted); }
.isp-stat-cell__num .crit-dot {
    display: inline-block;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--color-secondary);
    margin-right: 4px;
    vertical-align: middle;
}
.isp-stat-cell__lbl {
    font-size: 10px;
    color: var(--color-mute2);
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-top: 4px;
}
.isp-stat-cell.is-streak .isp-stat-cell__num { color: var(--color-warning); }
.isp-stat-cell.is-band   .isp-stat-cell__num { color: var(--color-primary); font-size: 28px; }

/* ─── Quick actions ────────────────────────────────────────── */
.isp-quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}
.isp-qa {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    transition: all var(--dur-base) var(--ease);
    position: relative;
    overflow: hidden;
}
.isp-qa:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.isp-qa::after {
    content: '→';
    position: absolute;
    right: var(--space-4);
    top: 50%;
    transform: translateY(-50%) translateX(-4px);
    color: var(--color-muted);
    opacity: 0;
    transition: all var(--dur-base) var(--ease);
}
.isp-qa:hover::after { opacity: 1; transform: translateY(-50%) translateX(0); color: var(--color-primary); }
.isp-qa__icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}
.isp-qa--mock     .isp-qa__icon { background: rgba(6,182,212,.12);   color: var(--color-accent); }
.isp-qa--drills   .isp-qa__icon { background: rgba(16,185,129,.12);  color: var(--color-secondary); }
.isp-qa--plan     .isp-qa__icon { background: var(--color-primary-soft); color: var(--color-primary); }
.isp-qa--mistakes .isp-qa__icon { background: var(--color-warning-soft); color: var(--color-warning); }
.isp-qa__title { font-weight: var(--fw-semibold); color: var(--color-ink); font-size: var(--fs-small); }
.isp-qa__desc  { font-size: var(--fs-micro); color: var(--color-muted); margin-top: 2px; }

/* ─── Today mission card (featured recommended) ───────────── */
.isp-mission {
    position: relative;
    background:
        linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    margin-bottom: var(--space-5);
    color: #fff;
    overflow: hidden;
    text-decoration: none;
    display: block;
    transition: all var(--dur-base) var(--ease);
}
.isp-mission:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); color: #fff; }
.isp-mission::before {
    content: '';
    position: absolute;
    top: -40%; right: -10%;
    width: 60%; height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
    pointer-events: none;
}
.isp-mission__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: var(--fs-micro);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: var(--space-3);
}
.isp-mission__title {
    font-size: clamp(18px, 2vw, 24px);
    font-weight: var(--fw-bold);
    line-height: 1.4;
    margin: 0 0 var(--space-2) 0;
    color: #fff;
}
.isp-mission__reason {
    font-size: var(--fs-small);
    line-height: 1.6;
    opacity: .9;
    margin: 0 0 var(--space-4) 0;
}
.isp-mission__cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    color: var(--color-primary);
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: var(--fw-semibold);
    font-size: var(--fs-small);
}
.isp-mission__meta {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    display: flex;
    gap: 6px;
}
.isp-mission__chip {
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    font-size: var(--fs-micro);
    font-weight: var(--fw-semibold);
}

/* ─── Sticky toolbar ───────────────────────────────────────── */
.isp-toolbar {
    position: sticky;
    top: 0;
    z-index: 5;
    background: rgba(255,255,255,0.92);
    backdrop-filter: saturate(140%) blur(8px);
    -webkit-backdrop-filter: saturate(140%) blur(8px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2) var(--space-3);
    margin-bottom: var(--space-4);
    display: grid;
    grid-template-columns: 1fr auto auto auto;
    gap: var(--space-2);
    align-items: center;
}
.isp-toolbar__search {
    position: relative;
    display: flex;
    align-items: center;
}
.isp-toolbar__search i {
    position: absolute;
    left: 14px;
    color: var(--color-muted);
    font-size: 14px;
}
.isp-toolbar__search input {
    width: 100%;
    padding: 9px 14px 9px 38px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    font-size: var(--fs-small);
    color: var(--color-text);
    transition: all var(--dur-base) var(--ease);
}
.isp-toolbar__search input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-soft);
}
.isp-segments {
    display: inline-flex;
    background: var(--color-soft);
    padding: 3px;
    border-radius: var(--radius-md);
    gap: 2px;
}
.isp-segments a {
    padding: 6px 14px;
    border-radius: 7px;
    font-size: var(--fs-small);
    font-weight: var(--fw-medium);
    color: var(--color-muted);
    text-decoration: none;
    transition: all var(--dur-fast) var(--ease);
}
.isp-segments a:hover { color: var(--color-text); }
.isp-segments a.is-active {
    background: var(--color-surface);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}
.isp-toolbar select {
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    font-size: var(--fs-small);
    color: var(--color-text);
}

/* ─── Section heading ──────────────────────────────────────── */
.isp-section-head {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: var(--space-5) 0 var(--space-3) 0;
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-line);
}
.isp-section-head__num {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--fw-extrabold);
    font-size: 13px;
}
.isp-section-head__num.is-1 { background: var(--color-primary-soft); color: var(--color-primary); }
.isp-section-head__num.is-2 { background: rgba(6,182,212,.12);       color: var(--color-accent); }
.isp-section-head__num.is-3 { background: var(--color-warning-soft); color: var(--color-warning); }
.isp-section-head h3 {
    margin: 0;
    font-size: var(--fs-h4);
    font-weight: var(--fw-bold);
    color: var(--color-ink);
}
.isp-section-head__sub {
    font-size: var(--fs-small);
    color: var(--color-muted);
    margin-left: 4px;
}
.isp-section-head__count {
    margin-left: auto;
    font-size: var(--fs-small);
    color: var(--color-muted);
    background: var(--color-soft);
    padding: 2px 10px;
    border-radius: var(--radius-pill);
}

/* ─── Card variants per part (tighter design) ─────────────── */
.isp-card.is-part-1 { border-top: 3px solid var(--color-primary); }
.isp-card.is-part-2 { border-top: 3px solid var(--color-accent); }
.isp-card.is-part-3 { border-top: 3px solid var(--color-warning); }

.isp-card__cue-preview {
    background: var(--color-soft);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    margin-top: 8px;
    margin-bottom: 8px;
    font-size: var(--fs-micro);
    color: var(--color-muted);
    line-height: 1.5;
    border-left: 2px solid var(--color-accent);
}

/* ─── Recent attempts horizontal strip ─────────────────────── */
.isp-recent-strip {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(280px, 320px);
    gap: var(--space-3);
    overflow-x: auto;
    padding: 4px 4px var(--space-3);
    scroll-snap-type: x mandatory;
    margin: 0 calc(-1 * var(--space-3)) var(--space-4);
    padding-left: var(--space-3);
    padding-right: var(--space-3);
}
.isp-recent-strip::-webkit-scrollbar { height: 6px; }
.isp-recent-strip::-webkit-scrollbar-thumb { background: var(--color-line); border-radius: 3px; }
.isp-recent-strip > * { scroll-snap-align: start; }

.isp-recent-card {
    display: flex;
    flex-direction: column;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-3) var(--space-4);
    text-decoration: none;
    color: inherit;
    transition: all var(--dur-base) var(--ease);
}
.isp-recent-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--color-primary); }
.isp-recent-card__head { display: flex; justify-content: space-between; margin-bottom: 8px; }
.isp-recent-card__band {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    display: flex; align-items: center; justify-content: center;
    font-weight: var(--fw-extrabold);
    font-size: 14px;
    flex-shrink: 0;
}
.isp-recent-card__band.is-good   { background: rgba(16,185,129,.15); color: var(--color-secondary); }
.isp-recent-card__band.is-warn   { background: var(--color-warning-soft); color: var(--color-warning); }

.isp-recent-card__q {
    font-size: var(--fs-small);
    color: var(--color-text);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.isp-recent-card__meta {
    font-size: var(--fs-micro);
    color: var(--color-mute2);
    margin-top: 6px;
}

/* ─── Empty state pretty ──────────────────────────────────── */
.isp-empty {
    text-align: center;
    padding: var(--space-6) var(--space-4);
    background: var(--color-surface);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-muted);
}
.isp-empty i {
    font-size: 48px;
    color: var(--color-line);
    margin-bottom: var(--space-3);
}
.isp-empty p { margin: 0 0 var(--space-2) 0; line-height: 1.6; }
.isp-empty small { color: var(--color-mute2); }

/* ─── Preview banner ──────────────────────────────────────── */
.isp-preview-banner {
    background: linear-gradient(135deg, rgba(245,158,11,.12), rgba(245,158,11,.04));
    border: 1px solid var(--color-warning-soft);
    border-radius: var(--radius-lg);
    padding: var(--space-3) var(--space-4);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}
.isp-preview-banner i { color: var(--color-warning); font-size: 18px; }
.isp-preview-banner strong { color: var(--color-ink); }
.isp-preview-banner a {
    margin-left: auto;
    background: var(--color-warning);
    color: #fff;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    text-decoration: none;
}

/* ─── Mobile responsive ───────────────────────────────────── */
@media (max-width: 900px) {
    .isp-hero-pro__grid { grid-template-columns: 1fr; }
    .isp-band-gauge     { width: 140px; height: 140px; margin: 0 auto; }
    .isp-stats-bar      { grid-template-columns: 1fr 1fr 1fr; row-gap: var(--space-2); }
    .isp-stat-cell      { border-right: 0; border-bottom: 1px solid var(--color-line); padding-bottom: var(--space-2); }
    .isp-stat-cell:nth-last-child(-n+3) { border-bottom: 0; padding-bottom: 0; }
    .isp-toolbar        { grid-template-columns: 1fr 1fr; }
    .isp-toolbar__search{ grid-column: 1 / -1; }
    .isp-segments       { overflow-x: auto; }
}
@media (max-width: 540px) {
    .isp-hero-pro       { padding: var(--space-4); }
    .isp-hero-pro__ctas { flex-direction: column; align-items: stretch; }
    .isp-cta            { justify-content: center; }
    .isp-stats-bar      { grid-template-columns: 1fr 1fr; }
    .isp-mission        { padding: var(--space-4); }
    .isp-mission__meta  { position: static; margin-bottom: var(--space-2); }
}

/* ============================================================
 * Info page (read prompt → start exam)
 * ============================================================ */

/* ─── Hero question card ──────────────────────────────────── */
.isp-info-hero {
    position: relative;
    background:
        radial-gradient(circle at 100% 0%, rgba(20,184,166,0.10), transparent 55%),
        radial-gradient(circle at 0% 100%, rgba(6,182,212,0.08), transparent 50%),
        var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-5) var(--space-5);
    margin-bottom: var(--space-4);
    overflow: hidden;
}
.isp-info-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: var(--space-4);
}
.isp-info-hero__chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--color-soft);
    color: var(--color-text);
    padding: 5px 12px;
    border-radius: var(--radius-pill);
    font-size: var(--fs-small);
    font-weight: var(--fw-medium);
    border: 1px solid var(--color-border);
}
.isp-info-hero__chip i { color: var(--color-muted); font-size: 12px; }
.isp-info-hero__chip.is-part-1 { background: var(--color-primary-soft); color: var(--color-primary); border-color: var(--color-primary-soft); }
.isp-info-hero__chip.is-part-1 i { color: var(--color-primary); }
.isp-info-hero__chip.is-part-2 { background: rgba(6,182,212,.10); color: var(--color-accent); border-color: rgba(6,182,212,.25); }
.isp-info-hero__chip.is-part-2 i { color: var(--color-accent); }
.isp-info-hero__chip.is-part-3 { background: var(--color-warning-soft); color: var(--color-warning); border-color: var(--color-warning-soft); }
.isp-info-hero__chip.is-part-3 i { color: var(--color-warning); }
.isp-info-hero__chip.is-difficulty { text-transform: capitalize; }

.isp-info-hero__title {
    font-size: clamp(20px, 2.4vw, 30px);
    font-weight: var(--fw-bold);
    color: var(--color-ink);
    line-height: 1.35;
    margin: 0 0 var(--space-3) 0;
    letter-spacing: -0.01em;
}
.isp-info-hero__cue {
    list-style: none;
    padding: var(--space-3) var(--space-4);
    margin: 0 0 var(--space-3) 0;
    background: var(--color-bg);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
}
.isp-info-hero__cue li {
    padding-left: 28px;
    position: relative;
    margin-bottom: 8px;
    font-size: var(--fs-body);
    color: var(--color-text);
    line-height: 1.5;
}
.isp-info-hero__cue li:last-child { margin-bottom: 0; }
.isp-info-hero__cue li::before {
    content: '✓';
    position: absolute;
    left: 0;
    width: 20px;
    height: 20px;
    background: var(--color-accent);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: var(--fw-bold);
}
.isp-info-hero__time {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-line);
    color: var(--color-muted);
    font-size: var(--fs-small);
}
.isp-info-hero__time i { color: var(--color-primary); margin-right: 4px; }
.isp-info-hero__time strong { color: var(--color-ink); font-weight: var(--fw-semibold); }
.isp-info-hero__best {
    margin-left: auto;
    background: var(--color-warning-soft);
    color: var(--color-warning);
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-weight: var(--fw-semibold);
}
.isp-info-hero__best strong { color: var(--color-warning); }

/* ─── 2-col layout ────────────────────────────────────────── */
.isp-info-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}
.isp-info-main, .isp-info-side {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

/* ─── Content section (used in both columns) ─────────────── */
.isp-info-section {
    padding: var(--space-4);
}
.isp-info-section__h {
    margin: 0 0 var(--space-2) 0;
    font-size: var(--fs-h4);
    font-weight: var(--fw-semibold);
    color: var(--color-ink);
    display: flex;
    align-items: center;
    gap: 8px;
}
.isp-info-section__sub {
    color: var(--color-muted);
    font-size: var(--fs-small);
    margin: 0 0 var(--space-3) 0;
    line-height: 1.55;
}

/* ─── Steps list (Hướng dẫn làm bài) ──────────────────────── */
.isp-info-steps {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 10px;
}
.isp-info-steps li {
    display: grid;
    grid-template-columns: 28px 1fr;
    gap: 12px;
    align-items: flex-start;
    color: var(--color-text);
    font-size: var(--fs-body);
    line-height: 1.6;
}
.isp-info-steps__num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-weight: var(--fw-bold);
    font-size: 13px;
    flex-shrink: 0;
}

/* ─── Follow-up list ──────────────────────────────────────── */
.isp-info-followups {
    list-style: none;
    padding: 0;
    margin: 0;
}
.isp-info-followups li {
    padding: 10px 14px;
    background: var(--color-bg);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
    color: var(--color-text);
    font-size: var(--fs-small);
    line-height: 1.5;
    position: relative;
    padding-left: 38px;
}
.isp-info-followups li::before {
    content: '?';
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-accent);
    color: #fff;
    font-weight: var(--fw-bold);
    font-size: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ─── Vocabulary cards grid ───────────────────────────────── */
.isp-info-vocab {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--space-2);
}
.isp-vocab-card {
    background: var(--color-bg);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    transition: all var(--dur-base) var(--ease);
}
.isp-vocab-card:hover {
    border-color: var(--color-secondary);
    background: rgba(16,185,129,0.04);
    transform: translateY(-1px);
}
.isp-vocab-card__word {
    font-weight: var(--fw-bold);
    color: var(--color-ink);
    font-size: var(--fs-body);
}
.isp-vocab-card__ipa {
    font-family: var(--font-mono);
    font-size: var(--fs-micro);
    color: var(--color-muted);
    margin-top: 2px;
}
.isp-vocab-card__meaning {
    font-size: var(--fs-micro);
    color: var(--color-text);
    margin-top: 4px;
    line-height: 1.4;
}

/* ─── Criterion row ───────────────────────────────────────── */
.isp-criterion {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-line);
}
.isp-criterion:last-child { border-bottom: 0; padding-bottom: 0; }
.isp-criterion__icon {
    width: 36px; height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}
.isp-criterion__label {
    font-weight: var(--fw-semibold);
    color: var(--color-ink);
    font-size: var(--fs-small);
}
.isp-criterion__desc {
    font-size: var(--fs-micro);
    color: var(--color-muted);
    margin-top: 2px;
    line-height: 1.4;
}

/* ─── Past attempts in sidebar ───────────────────────────── */
.isp-past-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-line);
    text-decoration: none;
    color: inherit;
    transition: opacity var(--dur-fast);
}
.isp-past-row:last-child { border-bottom: 0; padding-bottom: 0; }
.isp-past-row:hover { opacity: .8; }
.isp-past-row__band {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--fw-extrabold);
    font-size: 13px;
    flex-shrink: 0;
}
.isp-past-row__band.is-good { background: rgba(16,185,129,.15); color: var(--color-secondary); }
.isp-past-row__band.is-warn { background: var(--color-warning-soft); color: var(--color-warning); }

/* ─── Big CTA strip ───────────────────────────────────────── */
.isp-cta-strip {
    background:
        linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    color: #fff;
    display: grid;
    grid-template-columns: 1.4fr auto;
    gap: var(--space-4);
    align-items: center;
    margin-top: var(--space-4);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}
.isp-cta-strip::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 60%; height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.18) 0%, transparent 60%);
    pointer-events: none;
}
.isp-cta-strip__main h3 {
    margin: 0 0 4px 0;
    font-size: var(--fs-h3);
    color: #fff;
    font-weight: var(--fw-bold);
}
.isp-cta-strip__main p {
    margin: 0 0 var(--space-3) 0;
    opacity: .9;
    font-size: var(--fs-small);
    line-height: 1.55;
}
.isp-cta-strip__modes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    position: relative;
}
.isp-mode-radio {
    cursor: pointer;
    position: relative;
}
.isp-mode-radio input { position: absolute; opacity: 0; pointer-events: none; }
.isp-mode-radio__inner {
    display: block;
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,0.18);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    color: #fff;
    transition: all var(--dur-base) var(--ease);
}
.isp-mode-radio__inner strong {
    display: block;
    font-size: var(--fs-small);
    margin-bottom: 2px;
}
.isp-mode-radio__inner small {
    font-size: 11px;
    opacity: .85;
    line-height: 1.4;
}
.isp-mode-radio input:checked + .isp-mode-radio__inner {
    background: rgba(255,255,255,0.25);
    border-color: #fff;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.2);
}
.isp-cta-strip__button {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    background: #fff;
    color: var(--color-primary);
    padding: 18px 32px;
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: var(--fw-extrabold);
    font-size: 18px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    transition: all var(--dur-base) var(--ease);
    position: relative;
    z-index: 1;
    min-width: 220px;
}
.isp-cta-strip__button:hover {
    transform: translateY(-3px) scale(1.02);
    color: var(--color-primary-hover);
    box-shadow: 0 12px 32px rgba(0,0,0,0.22);
}
.isp-cta-strip__button i { font-size: 22px; margin-bottom: 4px; }
.isp-cta-strip__button span { font-size: 18px; }
.isp-cta-strip__button small {
    font-size: 11px;
    color: var(--color-muted);
    font-weight: var(--fw-medium);
    text-transform: uppercase;
    letter-spacing: .04em;
}

/* ─── Player strip (top of player mode) ───────────────────── */
.isp-player-strip {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
    gap: var(--space-2);
}
.isp-player-strip__left, .isp-player-strip__right {
    display: flex;
    align-items: center;
    gap: 8px;
}
.isp-player-strip__right {
    font-size: var(--fs-small);
}

/* ─── 3-2-1 countdown ─────────────────────────────────────── */
.isp-countdown {
    font-size: 120px;
    font-weight: var(--fw-extrabold);
    line-height: 1;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: ispCountPulse 1s var(--ease);
}
@keyframes ispCountPulse {
    0%   { transform: scale(0.5); opacity: 0; }
    20%  { transform: scale(1.1); opacity: 1; }
    80%  { transform: scale(1);   opacity: 1; }
    100% { transform: scale(1.4); opacity: 0; }
}

/* ─── Mobile (info page) ──────────────────────────────────── */
@media (max-width: 900px) {
    .isp-info-grid       { grid-template-columns: 1fr; }
    .isp-cta-strip       { grid-template-columns: 1fr; text-align: center; }
    .isp-cta-strip__button { width: 100%; }
}
@media (max-width: 540px) {
    .isp-info-hero       { padding: var(--space-4); }
    .isp-info-hero__title{ font-size: 20px; }
    .isp-cta-strip__modes{ grid-template-columns: 1fr; }
    .isp-info-hero__time { flex-direction: column; align-items: flex-start; gap: 6px; }
    .isp-info-hero__best { margin-left: 0; }
    .isp-countdown       { font-size: 80px; }
}

/* ============================================================
 * Player page v2 — recorder UI redesign
 * ============================================================ */

/* ─── Progress strip (top of player) ──────────────────────── */
.isp-progress {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5) var(--space-3);
    margin-bottom: var(--space-4);
    position: relative;
}
.isp-progress__track {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 0 18px;     /* half dot width so end-dots sit on the line */
}
/* Background line + filled bar — both span between centers of first/last dots */
.isp-progress__track::before,
.isp-progress__track::after {
    content: '';
    position: absolute;
    top: 16px;
    left: 18px;
    right: 18px;
    height: 4px;
    border-radius: 999px;
}
.isp-progress__track::before {
    background: var(--color-line);
    z-index: 0;
}
.isp-progress__track::after {
    background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
    z-index: 1;
    width: calc((100% - 36px) * var(--isp-progress, 0));
    transition: width 0.4s var(--ease);
}
.isp-progress__step {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex: 0 0 auto;
}
.isp-progress__dot {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 2px solid var(--color-line);
    color: var(--color-mute2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    transition: all var(--dur-base) var(--ease);
    box-shadow: 0 0 0 4px var(--color-surface);  /* punch a "hole" through the line */
}
.isp-progress__step.is-done .isp-progress__dot {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    color: #fff;
}
.isp-progress__step.is-active .isp-progress__dot {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    box-shadow:
        0 0 0 4px var(--color-surface),
        0 0 0 8px var(--color-primary-soft),
        0 4px 14px rgba(20,184,166,0.32);
}
.isp-progress__step.is-active .isp-progress__dot i {
    animation: ispDotPulse 1.6s ease-in-out infinite;
}
@keyframes ispDotPulse {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.18); }
}
.isp-progress__lbl {
    font-size: 11px;
    color: var(--color-mute2);
    font-weight: var(--fw-medium);
    text-align: center;
    line-height: 1.35;
    letter-spacing: 0.01em;
    max-width: 90px;
}
.isp-progress__step.is-active .isp-progress__lbl {
    color: var(--color-primary);
    font-weight: var(--fw-bold);
}
.isp-progress__step.is-done .isp-progress__lbl {
    color: var(--color-text);
    font-weight: var(--fw-semibold);
}

/* ─── Quote-style question card ───────────────────────────── */
.isp-question-quote {
    position: relative;
    background:
        radial-gradient(circle at 0% 0%, rgba(20,184,166,0.10), transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(6,182,212,0.08), transparent 55%),
        var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    margin-bottom: var(--space-4);
    overflow: hidden;
}
.isp-question-quote::before, .isp-question-quote::after {
    position: absolute;
    font-family: Georgia, serif;
    font-size: 88px;
    line-height: 1;
    color: var(--color-primary);
    opacity: 0.12;
    pointer-events: none;
}
.isp-question-quote::before {
    content: '\201C';   /* opening quote */
    top: 12px; left: 12px;
}
.isp-question-quote::after {
    content: '\201D';   /* closing quote */
    bottom: -16px; right: 16px;
}
.isp-question-quote__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: var(--space-3);
    position: relative;
    z-index: 1;
}
.isp-question-quote h2 {
    position: relative;
    z-index: 1;
    margin: 0 0 var(--space-3) 0;
    font-size: clamp(20px, 2.4vw, 28px);
    font-weight: var(--fw-bold);
    color: var(--color-ink);
    line-height: 1.4;
    letter-spacing: -0.01em;
}
.isp-question-quote .isp-cue-points {
    position: relative;
    z-index: 1;
    margin: 0;
}

/* ─── Mic stage (centerpiece) ─────────────────────────────── */
.isp-mic-stage {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6) var(--space-5);
    margin-bottom: var(--space-4);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.isp-mic-stage::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(20,184,166,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(20,184,166,0.025) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
    mask-image: radial-gradient(circle at center, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(circle at center, black 30%, transparent 75%);
}

/* Make non-overlay panes inside the stage stack vertically and center properly.
 * Excludes [data-role="countdown-pane"] which is a fixed fullscreen overlay
 * with its own .isp-countdown-overlay class.
 */
.isp-mic-stage > [data-role="prep-pane"],
.isp-mic-stage > [data-role="recording-pane"],
.isp-mic-stage > [data-role="playback-pane"],
.isp-mic-stage > [data-role="processing-pane"],
.isp-mic-stage > [data-role="error-pane"] {
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    position: relative;
    z-index: 1;
}
/* The recorder JS toggles display: '' / 'none'. When visible, force flex layout. */
.isp-mic-stage > [data-role="prep-pane"]:not([style*="display: none"]),
.isp-mic-stage > [data-role="recording-pane"]:not([style*="display: none"]),
.isp-mic-stage > [data-role="playback-pane"]:not([style*="display: none"]),
.isp-mic-stage > [data-role="processing-pane"]:not([style*="display: none"]),
.isp-mic-stage > [data-role="error-pane"]:not([style*="display: none"]) {
    display: flex;
}

/* Mic with pulsing rings */
.isp-mic-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 240px;
    height: 240px;          /* room for the largest ring at peak */
    margin: var(--space-2) auto;
}
.isp-mic-wrap .isp-record-btn {
    position: relative;
    z-index: 2;
    width: 140px; height: 140px;
    font-size: 52px;
    box-shadow: 0 8px 24px rgba(20,184,166,0.35);
}
.isp-mic-ring {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 2px solid var(--color-primary);
    pointer-events: none;
    opacity: 0;
    z-index: 0;
}
.isp-mic-stage[data-state="ready"]     .isp-mic-ring { animation: ispRingIdle  3s ease-out infinite; }
.isp-mic-stage[data-state="ready"]     .isp-mic-ring--2 { animation-delay: 1s; }
.isp-mic-stage[data-state="ready"]     .isp-mic-ring--3 { animation-delay: 2s; }
.isp-mic-stage[data-state="recording"] .isp-mic-ring { animation: ispRingPulse 1.5s ease-out infinite; border-color: var(--color-warning); }
.isp-mic-stage[data-state="recording"] .isp-mic-ring--2 { animation-delay: 0.5s; }
.isp-mic-stage[data-state="recording"] .isp-mic-ring--3 { animation-delay: 1s; }
@keyframes ispRingIdle {
    0%   { width: 140px; height: 140px; opacity: 0; }
    20%  { opacity: 0.5; }
    100% { width: 240px; height: 240px; opacity: 0; }
}
@keyframes ispRingPulse {
    0%   { width: 140px; height: 140px; opacity: 0.7; }
    100% { width: 220px; height: 220px; opacity: 0; }
}

/* Status / hint */
.isp-stage-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: var(--radius-pill);
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    background: var(--color-soft);
    color: var(--color-text);
    border: 1px solid var(--color-line);
    margin-bottom: var(--space-2);
    position: relative;
    z-index: 1;
}
.isp-stage-status .dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(16,185,129,0.2);
}
.isp-stage-status[data-kind="recording"] {
    background: var(--color-warning-soft);
    color: var(--color-warning);
    border-color: var(--color-warning);
}
.isp-stage-status[data-kind="recording"] .dot {
    background: var(--color-warning);
    box-shadow: 0 0 0 3px rgba(245,158,11,0.2);
    animation: ispDotBlink 1s ease-in-out infinite;
}
@keyframes ispDotBlink {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.3; }
}
.isp-stage-hint {
    margin: var(--space-2) 0 0;
    color: var(--color-muted);
    font-size: var(--fs-small);
    line-height: 1.5;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
}

/* ─── Pre-recording tips (3 cards) ────────────────────────── */
.isp-pre-tips {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}
.isp-pre-tip {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    text-align: left;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.isp-pre-tip i {
    width: 32px; height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 14px;
}
.isp-pre-tip:nth-child(1) i { background: var(--color-primary-soft); color: var(--color-primary); }
.isp-pre-tip:nth-child(2) i { background: rgba(6,182,212,.12);       color: var(--color-accent); }
.isp-pre-tip:nth-child(3) i { background: rgba(16,185,129,.12);      color: var(--color-secondary); }
.isp-pre-tip strong { color: var(--color-ink); font-size: var(--fs-small); display: block; margin-bottom: 2px; }
.isp-pre-tip p      { color: var(--color-muted); font-size: var(--fs-micro); line-height: 1.45; margin: 0; }

/* ─── Recording timer ring ────────────────────────────────── */
.isp-timer-ring {
    position: relative;
    width: 240px; height: 240px;
    margin: 0 auto var(--space-3);
}
.isp-timer-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.isp-timer-ring__bg   { stroke: var(--color-line);    stroke-width: 8; fill: none; }
.isp-timer-ring__fill {
    stroke: var(--color-warning);
    stroke-width: 8;
    fill: none;
    stroke-linecap: round;
    transition: stroke-dashoffset 1s linear;
}
.isp-timer-ring__center {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.isp-timer-ring__num {
    font-family: var(--font-mono);
    font-size: 48px;
    font-weight: var(--fw-extrabold);
    color: var(--color-ink);
    line-height: 1;
}
.isp-timer-ring__lbl {
    font-size: var(--fs-micro);
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-top: 4px;
}

/* Wave fullbar (recording) */
.isp-wave-bar-full {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 3px;
    height: 56px;
    margin: var(--space-3) auto;
    max-width: 440px;
}
.isp-wave-bar-full .isp-wave-bar {
    background: linear-gradient(180deg, var(--color-warning), var(--color-primary));
    width: 4px;
    transition: height 0.06s linear;
}

/* ─── Status badges (sg_status_badge output) ─────────────── */
.sg-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: var(--fw-semibold);
    line-height: 1.4;
}
.sg-badge--pending    { background: var(--color-warning-soft);  color: var(--color-warning); }
.sg-badge--processing { background: rgba(6,182,212,.12);        color: var(--color-accent); }
.sg-badge--done       { background: rgba(16,185,129,.15);       color: var(--color-secondary); }
.sg-badge--failed     { background: var(--color-warning-soft);  color: var(--color-warning); }
.sg-badge--skipped    { background: var(--color-soft);          color: var(--color-muted); }
.sg-badge--submitted  { background: var(--color-soft);          color: var(--color-muted); }

/* ─── Note recall (sticky-note style, visible during recording) ─── */
.isp-note-recall {
    width: 100%;
    max-width: 560px;
    margin: 0 auto var(--space-3);
    background: var(--color-warning-soft);
    border: 1px solid var(--color-warning-soft);
    border-left: 4px solid var(--color-warning);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    text-align: left;
    box-shadow: var(--shadow-sm);
    position: relative;
    transform: rotate(-0.4deg);   /* paper-like tilt */
}
.isp-note-recall::before {
    content: '';
    position: absolute;
    top: 10px; right: 14px;
    width: 12px; height: 12px;
    border-radius: 50%;
    background: var(--color-warning);
    opacity: 0.35;
}
.isp-note-recall__head {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--fs-micro);
    font-weight: var(--fw-semibold);
    color: var(--color-warning);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}
.isp-note-recall__head i { font-size: 12px; }
.isp-note-recall__body {
    font-family: 'Caveat', 'Comic Sans MS', cursive, var(--font-sans);
    font-size: 19px;
    line-height: 1.5;
    color: var(--color-warning);
    white-space: pre-wrap;
    word-break: break-word;
}

/* ─── Playback success state ──────────────────────────────── */
.isp-playback-card {
    background: linear-gradient(135deg, rgba(16,185,129,0.06), rgba(20,184,166,0.04));
    border: 1px solid rgba(16,185,129,0.25);
    border-radius: var(--radius-xl);
    padding: var(--space-5) var(--space-4);
    margin-bottom: var(--space-3);
    text-align: center;
    width: 100%;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}
.isp-playback-card__check {
    width: 64px; height: 64px;
    border-radius: 50%;
    background: var(--color-secondary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: var(--space-3);
    animation: ispCheckPop .5s var(--ease);
    box-shadow: 0 4px 14px rgba(16,185,129,0.3);
}
@keyframes ispCheckPop {
    0%   { transform: scale(0);   opacity: 0; }
    60%  { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(1); }
}
.isp-playback-card h3 {
    margin: 0 0 6px 0;
    color: var(--color-ink);
    font-size: var(--fs-h4);
    font-weight: var(--fw-bold);
}
.isp-playback-card__hint {
    color: var(--color-muted);
    font-size: var(--fs-small);
    line-height: 1.55;
    margin: 0 auto var(--space-3);
    max-width: 420px;
}

/* Meta chips */
.isp-playback-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    margin: var(--space-3) 0;
}
.isp-playback-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 5px 12px;
    border-radius: var(--radius-pill);
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    color: var(--color-text);
}
.isp-playback-chip i { color: var(--color-muted); font-size: 12px; }
.isp-playback-chip--ok {
    background: rgba(16,185,129,0.1);
    color: var(--color-secondary);
    border-color: rgba(16,185,129,0.3);
}
.isp-playback-chip--ok i { color: var(--color-secondary); }

/* Custom audio frame — wrap native player to neutralize platform skin */
.isp-audio-frame {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 8px 12px;
    margin: 0 auto var(--space-4);
    max-width: 480px;
    box-shadow: var(--shadow-sm);
}
.isp-audio-frame audio {
    width: 100%;
    height: 40px;
    display: block;
    outline: none;
}
.isp-audio-frame audio::-webkit-media-controls-panel {
    background: var(--color-surface);
}

/* Action buttons */
.isp-playback-actions {
    display: flex;
    gap: var(--space-2);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-3);
}
.isp-pb-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--dur-base) var(--ease);
    text-decoration: none;
}
.isp-pb-btn--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    box-shadow: 0 4px 12px rgba(20,184,166,0.25);
}
.isp-pb-btn--primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(20,184,166,0.35);
    filter: brightness(1.05);
}
.isp-pb-btn--ghost {
    background: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border);
}
.isp-pb-btn--ghost:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.isp-playback-quota {
    margin: var(--space-3) 0 0;
    font-size: var(--fs-micro);
    color: var(--color-muted);
}
.isp-playback-quota i { color: var(--color-accent); }
.isp-playback-quota strong { color: var(--color-ink); }

/* ─── Processing pipeline ─────────────────────────────────── */
.isp-process-pipeline {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2);
    max-width: 460px;
    margin: var(--space-4) auto;
}
.isp-process-step {
    display: grid;
    grid-template-columns: 32px 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 12px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    transition: all var(--dur-base) var(--ease);
}
.isp-process-step__num {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--color-soft);
    color: var(--color-mute2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--fw-bold);
    font-size: 12px;
}
.isp-process-step__label {
    text-align: left;
    color: var(--color-text);
    font-size: var(--fs-small);
    font-weight: var(--fw-medium);
}
.isp-process-step__sub {
    color: var(--color-muted);
    font-size: var(--fs-micro);
}
.isp-process-step.is-active {
    background: var(--color-primary-soft);
    border-color: var(--color-primary);
}
.isp-process-step.is-active .isp-process-step__num {
    background: var(--color-primary); color: #fff;
}
.isp-process-step.is-active .isp-process-step__sub::after {
    content: '...';
    animation: ispDots 1.4s steps(4) infinite;
}
.isp-process-step.is-done {
    background: rgba(16,185,129,0.06);
    border-color: rgba(16,185,129,0.3);
}
.isp-process-step.is-done .isp-process-step__num {
    background: var(--color-secondary); color: #fff;
}
@keyframes ispDots {
    0%   { content: '';    }
    25%  { content: '.';   }
    50%  { content: '..';  }
    75%, 100% { content: '...'; }
}

/* ─── Countdown 3-2-1 fullscreen overlay ──────────────────── */
.isp-countdown-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,0.85);
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    color: #fff;
}
.isp-countdown-overlay .isp-countdown {
    color: #fff;
    background: none;
    -webkit-text-fill-color: #fff;
    font-size: 200px;
    text-shadow: 0 0 40px rgba(20,184,166,0.5);
}
.isp-countdown-overlay__hint {
    margin-top: var(--space-4);
    color: rgba(255,255,255,0.85);
    font-size: var(--fs-h4);
    font-weight: var(--fw-medium);
}

/* ─── Mic permission warn ─────────────────────────────────── */
.isp-mic-warn {
    background: var(--color-warning-soft);
    border: 1px solid var(--color-warning);
    color: var(--color-warning);
    padding: 10px 14px;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
    font-size: var(--fs-small);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Bigger pre-record CTA hint */
.isp-stage-cta-hint {
    margin-top: var(--space-3);
    color: var(--color-text);
    font-size: var(--fs-small);
    line-height: 1.5;
}

/* ─── State-scoped show/hide for prep vs ready ─────────────── */
.isp-mic-stage[data-state="ready"] [data-prep-only] { display: none !important; }
.isp-mic-stage[data-state="prep"]  [data-ready-only] { display: none !important; }

.isp-timer.is-big {
    padding: 12px 26px;
    gap: 14px;
    border-color: var(--color-primary);
    background: var(--color-primary-soft);
}
.isp-timer.is-big i                { color: var(--color-primary); font-size: 18px; }
.isp-timer.is-big .isp-timer__lbl  { color: var(--color-primary-hover); font-size: var(--fs-small); }
.isp-timer.is-big .isp-timer__num  { color: var(--color-primary); font-size: 32px; }
.isp-timer.is-big[data-warn="1"]   { background: var(--color-warning-soft); border-color: var(--color-warning); }
.isp-timer.is-big[data-warn="1"] i,
.isp-timer.is-big[data-warn="1"] .isp-timer__lbl,
.isp-timer.is-big[data-warn="1"] .isp-timer__num { color: var(--color-warning); }

.isp-prep-active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.isp-prep-waiting {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    max-width: 520px;
    background: var(--color-primary-soft);
    border: 1px dashed var(--color-primary);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    color: var(--color-text);
    text-align: left;
}
.isp-prep-waiting__icon {
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
    animation: ispPrepPulse 1.8s ease-in-out infinite;
}
@keyframes ispPrepPulse {
    0%, 100% { transform: scale(1);    box-shadow: 0 0 0 0 rgba(20,184,166,0.4); }
    50%      { transform: scale(1.04); box-shadow: 0 0 0 10px rgba(20,184,166,0); }
}
.isp-prep-waiting strong { color: var(--color-ink); font-size: var(--fs-small); display: block; margin-bottom: 4px; }
.isp-prep-waiting p { margin: 0; font-size: var(--fs-micro); color: var(--color-muted); line-height: 1.5; }

/* ─── Mobile (player) ──────────────────────────────────────── */
@media (max-width: 720px) {
    .isp-progress             { padding: var(--space-3) var(--space-3) var(--space-2); }
    .isp-progress__track      { padding: 0 14px; }
    .isp-progress__track::before,
    .isp-progress__track::after { left: 14px; right: 14px; top: 14px; height: 3px; }
    .isp-progress__track::after { width: calc((100% - 28px) * var(--isp-progress, 0)); }
    .isp-progress__dot        { width: 28px; height: 28px; font-size: 11px; }
    .isp-progress__lbl        { font-size: 10px; max-width: 60px; }
    .isp-mic-stage            { padding: var(--space-4); }
    .isp-mic-wrap             { width: 200px; height: 200px; }
    .isp-mic-wrap .isp-record-btn { width: 110px; height: 110px; font-size: 42px; }
    .isp-timer-ring           { width: 200px; height: 200px; }
    .isp-timer-ring__num      { font-size: 38px; }
    .isp-countdown-overlay .isp-countdown { font-size: 140px; }
    .isp-question-quote::before, .isp-question-quote::after { font-size: 60px; }
}
@media (max-width: 480px) {
    .isp-progress__lbl        { font-size: 9px; max-width: 50px; }
    .isp-progress__dot        { width: 24px; height: 24px; font-size: 10px; }
    .isp-progress__track::before,
    .isp-progress__track::after { top: 12px; left: 12px; right: 12px; }
    .isp-progress__track::after { width: calc((100% - 24px) * var(--isp-progress, 0)); }
}