:root {
    --bg: #09131d;
    --panel: rgba(10, 26, 39, 0.78);
    --panel-strong: rgba(8, 21, 31, 0.92);
    --border: rgba(163, 211, 229, 0.14);
    --text: #edf7fb;
    --muted: #a2bdc9;
    --primary: #8be0d3;
    --primary-deep: #38b0a2;
    --accent: #f8c68d;
    --danger: #f09082;
    --success: #8de7a2;
    --shadow: 0 24px 80px rgba(1, 9, 14, 0.45);
    --radius-xl: 30px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --serif: "Fraunces", Georgia, serif;
    --sans: "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at 15% 15%, rgba(109, 206, 189, 0.17), transparent 26%),
        radial-gradient(circle at 85% 10%, rgba(248, 198, 141, 0.16), transparent 25%),
        linear-gradient(180deg, #0b1722 0%, #071018 54%, #050b11 100%);
    color: var(--text);
    font-family: var(--sans);
}

button,
input,
textarea,
select {
    font: inherit;
}

.ambient {
    position: fixed;
    inset: auto;
    pointer-events: none;
    filter: blur(18px);
    opacity: 0.55;
}

.ambient-one {
    width: 22rem;
    height: 22rem;
    top: 4rem;
    right: 6rem;
    background: radial-gradient(circle, rgba(93, 208, 189, 0.22), transparent 70%);
}

.ambient-two {
    width: 26rem;
    height: 26rem;
    left: 4rem;
    bottom: 10rem;
    background: radial-gradient(circle, rgba(255, 181, 122, 0.18), transparent 72%);
}

.page-shell {
    position: relative;
    z-index: 1;
    width: min(100%, 1800px);
    margin: 0 auto;
    padding: 28px clamp(16px, 2vw, 28px) 56px;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    align-items: stretch;
    margin-bottom: 28px;
}

.hero-copy,
.hero-stats,
.panel {
    border: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(14, 31, 45, 0.76), rgba(7, 19, 28, 0.94));
    box-shadow: var(--shadow);
    backdrop-filter: blur(24px);
}

.hero-copy {
    padding: 40px;
    border-radius: 34px;
}

.eyebrow,
.panel-kicker,
.trainer-label,
.stat-label {
    margin: 0 0 12px;
    color: var(--primary);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 700;
}

.hero h1 {
    margin: 0;
    max-width: 12ch;
    font-family: var(--serif);
    font-size: clamp(2.8rem, 5vw, 5.3rem);
    line-height: 0.95;
}

.hero-text {
    max-width: 72ch;
    margin: 22px 0 0;
    color: var(--muted);
    font-size: 1.04rem;
    line-height: 1.75;
}

.hero-stats {
    border-radius: 34px;
    padding: 20px;
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.stat-card {
    padding: 22px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-card strong {
    display: block;
    font-size: 1.35rem;
    margin-bottom: 10px;
}

.stat-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.6;
}

.workspace {
    display: grid;
    gap: 24px;
}

.panel {
    border-radius: var(--radius-xl);
    padding: 28px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 22px;
}

.panel-header.compact {
    margin-bottom: 18px;
}

.panel-header h2,
.full-text-head h3,
.coach-card h3,
.principles-card h3,
.chunk-list-head h3 {
    margin: 0;
    font-family: var(--serif);
    font-size: 1.7rem;
}

.intake-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
}

.field {
    display: grid;
    gap: 10px;
}

.field span {
    color: var(--muted);
    font-size: 0.94rem;
}

textarea,
select,
input[type="range"] {
    width: 100%;
}

textarea,
select {
    border: 1px solid rgba(173, 214, 229, 0.12);
    border-radius: var(--radius-md);
    background: rgba(5, 15, 23, 0.72);
    color: var(--text);
    padding: 16px 18px;
    resize: vertical;
    outline: none;
    transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

textarea {
    overflow: hidden;
}

textarea:focus,
select:focus {
    border-color: rgba(139, 224, 211, 0.58);
    box-shadow: 0 0 0 4px rgba(139, 224, 211, 0.12);
}

.side-controls {
    display: grid;
    align-content: start;
    gap: 16px;
}

.upload-drop {
    position: relative;
    display: grid;
    gap: 8px;
    padding: 22px;
    min-height: 190px;
    border: 1px dashed rgba(139, 224, 211, 0.35);
    border-radius: 24px;
    background:
        linear-gradient(135deg, rgba(55, 170, 159, 0.08), rgba(248, 198, 141, 0.08)),
        rgba(4, 16, 24, 0.88);
    cursor: pointer;
}

.upload-drop input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.upload-title {
    font-size: 1.2rem;
    font-weight: 700;
}

.upload-subtitle {
    color: var(--muted);
    line-height: 1.6;
}

.primary-button,
.ghost-button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    min-height: 52px;
    padding: 0 20px;
    border-radius: 999px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, opacity 160ms ease;
}

.primary-button {
    color: #041319;
    background: linear-gradient(135deg, var(--primary), #bff2ea);
    font-weight: 700;
}

.primary-button.alt {
    background: linear-gradient(135deg, var(--accent), #ffe7ca);
}

.ghost-button {
    color: var(--text);
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.08);
}

.primary-button:hover,
.ghost-button:hover {
    transform: translateY(-1px);
}

button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none !important;
}

.status-message {
    margin: 0;
    min-height: 1.5em;
    color: var(--muted);
}

.status-message.error {
    color: var(--danger);
}

.status-message.success {
    color: var(--success);
}

.experience-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
}

.panel-sidebar {
    padding: 24px;
    position: static;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
    align-items: start;
}

.document-summary {
    display: grid;
    gap: 16px;
    margin-bottom: 0;
    grid-column: 1 / -1;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    padding: 20px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.summary-meta {
    display: grid;
    gap: 4px;
}

.summary-meta span {
    color: var(--muted);
    font-size: 0.86rem;
}

.summary-meta strong {
    font-size: 1.02rem;
}

.summary-chips,
.button-row,
.progress-cluster {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.chip,
.soft-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 38px;
    padding: 0 14px;
    border-radius: 999px;
    background: rgba(139, 224, 211, 0.09);
    color: var(--text);
    border: 1px solid rgba(139, 224, 211, 0.14);
}

.principles-card {
    padding: 20px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.review-summary {
    display: grid;
    gap: 14px;
    padding: 20px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(139, 224, 211, 0.08), rgba(255, 255, 255, 0.03));
    border: 1px solid rgba(139, 224, 211, 0.16);
}

.review-summary-head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
}

.review-summary-head h3 {
    margin: 0;
    font-size: 1.1rem;
}

.review-summary-copy,
.review-summary-meta {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
}

.review-summary-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.review-pill {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0 12px;
    border-radius: 999px;
    font-size: 0.88rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--text);
}

.review-pill.due {
    background: rgba(248, 198, 141, 0.16);
    border-color: rgba(248, 198, 141, 0.3);
    color: #fff5ea;
}

.principles-card ul {
    margin: 14px 0 0;
    padding-left: 18px;
    color: var(--muted);
    line-height: 1.7;
}

.chunk-list-wrap {
    margin-top: 0;
    grid-column: 1 / -1;
}

.chunk-list-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 14px;
}

.chunk-list {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.chunk-card {
    padding: 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.chunk-card-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 6px;
}

.chunk-card.active {
    border-color: rgba(139, 224, 211, 0.46);
    background: linear-gradient(180deg, rgba(139, 224, 211, 0.09), rgba(255, 255, 255, 0.03));
}

.chunk-card.selected-start {
    border-color: rgba(248, 198, 141, 0.34);
    box-shadow: inset 0 0 0 1px rgba(248, 198, 141, 0.08);
}

.chunk-card.done {
    border-color: rgba(141, 231, 162, 0.28);
}

.chunk-card strong,
.chunk-card span {
    display: block;
}

.chunk-card strong {
    margin-bottom: 6px;
}

.chunk-card span {
    color: var(--muted);
    line-height: 1.55;
}

.chunk-card .chunk-meta {
    margin-top: 10px;
    font-size: 0.88rem;
}

.chunk-start-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 32px;
    padding: 0 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
    color: var(--muted);
    cursor: pointer;
    transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.chunk-start-button:hover {
    transform: translateY(-1px);
    border-color: rgba(248, 198, 141, 0.3);
    color: var(--text);
}

.chunk-start-button.active {
    background: rgba(248, 198, 141, 0.14);
    border-color: rgba(248, 198, 141, 0.3);
    color: #fff2df;
}

.main-column {
    display: grid;
    gap: 24px;
}

.panel-tabs {
    padding: 16px 18px;
}

.tab-switcher {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tab-button {
    min-height: 42px;
    padding: 0 16px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
    color: var(--muted);
    cursor: pointer;
    transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.tab-button:hover {
    transform: translateY(-1px);
}

.tab-button.active {
    color: var(--text);
    background: rgba(139, 224, 211, 0.12);
    border-color: rgba(139, 224, 211, 0.28);
}

.tab-panel {
    display: grid;
    gap: 24px;
}

.listen-layout,
.trainer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
}

.studio-controls,
.coach-card {
    display: grid;
    gap: 18px;
    align-content: start;
}

.studio-controls {
    order: 2;
    grid-template-columns: minmax(0, 1fr);
}

.full-text-card {
    order: 1;
}

.speech-controls,
.recording-controls,
.full-text-card,
.trainer-card,
.coach-card {
    padding: 22px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.recording-controls p,
.trainer-instruction,
.coach-notes,
.full-text-preview,
.memory-stage,
.chunk-card span,
.full-text-card p {
    color: var(--muted);
    line-height: 1.72;
}

.recordings-list {
    display: grid;
    gap: 10px;
}

.recording-item {
    display: grid;
    gap: 12px;
    padding: 14px;
    border-radius: 18px;
    background: rgba(0, 0, 0, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.recording-item-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
}

.recording-item span {
    display: block;
    font-size: 0.88rem;
    color: var(--muted);
}

.recording-delete-button {
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text);
    cursor: pointer;
    transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.recording-delete-button:hover {
    transform: translateY(-1px);
    border-color: rgba(255, 255, 255, 0.14);
}

.full-text-head,
.trainer-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 18px;
}

.full-text-preview {
    padding-right: 12px;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.trainer-panel .field-textarea textarea {
    min-height: 150px;
}

.step-jump-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: end;
    margin-bottom: 16px;
    padding: 14px 16px;
    border-radius: 20px;
    border: 1px solid rgba(173, 214, 229, 0.08);
    background: rgba(255, 255, 255, 0.03);
}

.step-jump-field {
    flex: 1 1 320px;
}

.step-jump-field select {
    min-height: 52px;
}

.memory-tools {
    display: grid;
    gap: 12px;
    margin-bottom: 16px;
    padding: 14px 16px;
    border-radius: 20px;
    border: 1px solid rgba(173, 214, 229, 0.08);
    background: rgba(255, 255, 255, 0.03);
}

.memory-tools-actions,
.memory-tools-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 12px;
    align-items: center;
}

.memory-tools-hint {
    margin: 0;
    color: var(--muted);
    line-height: 1.6;
}

.mnemonic-assist {
    display: grid;
    gap: 12px;
    margin-bottom: 16px;
    padding: 16px;
    border-radius: 20px;
    border: 1px solid rgba(248, 198, 141, 0.16);
    background: linear-gradient(180deg, rgba(248, 198, 141, 0.08), rgba(255, 255, 255, 0.03));
}

.mnemonic-assist-head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
}

.mnemonic-assist-head h4,
.mnemonic-stage-head h4,
.mnemonic-image-card h4 {
    margin: 0;
    font-size: 1rem;
}

.mnemonic-grid {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.mnemonic-card {
    display: grid;
    gap: 8px;
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.mnemonic-label {
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.72rem;
    font-weight: 700;
}

.mnemonic-card p,
.mnemonic-stage-copy,
.mnemonic-image-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
}

.mnemonic-stage {
    display: grid;
    gap: 18px;
}

.mnemonic-stage-head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
}

.mnemonic-stage-head > div:first-child {
    display: grid;
    gap: 8px;
}

.mnemonic-stage-text {
    padding: 16px 18px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--text);
    line-height: 1.8;
    white-space: pre-wrap;
}

.mnemonic-fields {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.mnemonic-field {
    display: grid;
    gap: 8px;
}

.mnemonic-field textarea {
    min-height: 124px;
}

.mnemonic-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.mnemonic-image-card {
    display: grid;
    gap: 12px;
    padding: 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.mnemonic-image-card img {
    width: 100%;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(0, 0, 0, 0.14);
}

.mnemonic-image-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.mode-button {
    appearance: none;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.02);
    color: var(--muted);
    cursor: pointer;
    transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.mode-button:hover:enabled {
    transform: translateY(-1px);
}

.mode-button.active {
    color: var(--text);
    background: rgba(139, 224, 211, 0.12);
    border-color: rgba(139, 224, 211, 0.3);
}

.mode-button:disabled {
    opacity: 0.48;
    cursor: default;
}

.mode-button.active:disabled {
    opacity: 1;
}

.memory-stage {
    position: relative;
    overflow: hidden;
    min-height: 280px;
    padding: 22px;
    border-radius: 24px;
    border: 1px solid rgba(173, 214, 229, 0.08);
    background:
        radial-gradient(circle at top right, rgba(139, 224, 211, 0.06), transparent 36%),
        rgba(4, 13, 21, 0.78);
    transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.memory-stage::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 18%, transparent 80%, rgba(139, 224, 211, 0.03)),
        radial-gradient(circle at 85% 0%, rgba(248, 198, 141, 0.05), transparent 30%);
}

.memory-stage > * {
    position: relative;
    z-index: 1;
}

.memory-stage.is-hidden,
.memory-stage.is-revealed {
    border-color: rgba(173, 214, 229, 0.1);
    background:
        radial-gradient(circle at top right, rgba(139, 224, 211, 0.05), transparent 34%),
        rgba(4, 13, 21, 0.8);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.memory-stage.is-preview,
.memory-stage.is-finished {
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.memory-stage.empty-state {
    display: grid;
    place-items: center;
    text-align: center;
}

.visible-text,
.revealed-sentence,
.masked-text,
.section-stack {
    display: grid;
    gap: 14px;
}

.visible-text p,
.revealed-sentence p,
.masked-text p,
.section-stack p {
    margin: 0;
}

.word-sentence-list {
    display: grid;
    gap: 12px;
}

.word-sentence,
.masked-sentence,
.sentence-button {
    margin: 0;
    line-height: 1.95;
}

.word-button,
.joker-token,
.cue-token,
.term-token {
    display: inline-flex;
    align-items: center;
    padding: 0.14rem 0.46rem;
    border-radius: 999px;
}

.word-button {
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text);
    cursor: pointer;
    transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.word-button:hover {
    transform: translateY(-1px);
}

.word-button.selected,
.joker-token {
    background: rgba(139, 224, 211, 0.14);
    border: 1px solid rgba(139, 224, 211, 0.34);
    color: var(--text);
}

.cue-token {
    background: rgba(248, 198, 141, 0.16);
    border: 1px solid rgba(248, 198, 141, 0.3);
    color: #fff4e7;
}

.term-token {
    background: rgba(210, 227, 255, 0.14);
    border: 1px solid rgba(210, 227, 255, 0.28);
    color: #f4f9ff;
}

.combined-token {
    background: linear-gradient(135deg, rgba(248, 198, 141, 0.18), rgba(139, 224, 211, 0.18));
    border: 1px solid rgba(255, 235, 205, 0.34);
    color: #fff9f1;
}

.word-punctuation {
    color: var(--muted);
}

.cue-punctuation {
    color: rgba(248, 222, 193, 0.9);
}

.masked-line {
    height: 18px;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(139, 224, 211, 0.1), rgba(255, 255, 255, 0.04));
}

.masked-line.tiny {
    width: 38%;
}

.masked-line.short {
    width: 54%;
}

.masked-line.medium {
    width: 73%;
}

.masked-line.long {
    width: 100%;
}

.mask-token {
    display: inline-block;
    height: 0.92em;
    border-radius: 999px;
    vertical-align: middle;
    background: linear-gradient(90deg, rgba(139, 224, 211, 0.14), rgba(255, 255, 255, 0.05));
}

.mask-token.punctuation {
    width: 0.55ch;
}

.masked-section {
    padding: 16px;
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.018));
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.masked-sentence,
.sentence-button {
    display: block;
    width: 100%;
    text-align: left;
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.07);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.032), rgba(255, 255, 255, 0.018));
    color: var(--text);
    cursor: default;
    transition: background 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.sentence-button:hover {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.022));
    border-color: rgba(255, 255, 255, 0.12);
}

.sentence-button.passive {
    cursor: default;
}

.sentence-button.passive:hover {
    transform: none;
}

.sentence-button:focus-visible {
    outline: none;
    border-color: rgba(139, 224, 211, 0.42);
    box-shadow: 0 0 0 4px rgba(139, 224, 211, 0.1);
}

.sentence-button.weak {
    border-color: rgba(248, 198, 141, 0.34);
    background: linear-gradient(180deg, rgba(248, 198, 141, 0.14), rgba(255, 255, 255, 0.03));
}

.sentence-button.weak:hover {
    border-color: rgba(248, 198, 141, 0.46);
}

.sentence-flag {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 10px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    background: rgba(248, 198, 141, 0.16);
    border: 1px solid rgba(248, 198, 141, 0.3);
    color: #fff5ea;
}

.sentence-card-top {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 10px;
}

.sentence-content {
    line-height: 1.95;
}

.section-block {
    padding: 16px;
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.018));
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.section-block.revealed-section {
    border-color: rgba(139, 224, 211, 0.16);
}

.section-block.cued-section {
    border-color: rgba(248, 198, 141, 0.16);
    background: linear-gradient(180deg, rgba(248, 198, 141, 0.06), rgba(255, 255, 255, 0.018));
}

.section-block-head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 12px;
}

.section-head-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.section-heading {
    display: grid;
    gap: 4px;
}

.section-kicker {
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.section-block h4,
.masked-section h4 {
    margin: 0;
    font-size: 1rem;
}

.section-toggle-button {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 0 12px;
    border-radius: 999px;
    border: 1px solid rgba(139, 224, 211, 0.2);
    background: rgba(139, 224, 211, 0.08);
    color: var(--text);
    cursor: pointer;
    transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.section-toggle-button:hover {
    transform: translateY(-1px);
    border-color: rgba(139, 224, 211, 0.34);
    color: var(--text);
}

.section-toggle-button.active {
    background: rgba(139, 224, 211, 0.12);
    border-color: rgba(139, 224, 211, 0.28);
    color: var(--text);
}

.section-toggle-button.cued {
    background: rgba(248, 198, 141, 0.12);
    border-color: rgba(248, 198, 141, 0.28);
    color: #fff5ea;
}

.image-action-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid rgba(248, 198, 141, 0.22);
    background: rgba(248, 198, 141, 0.1);
    color: #fff4e5;
    cursor: pointer;
    transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.image-action-button:hover {
    transform: translateY(-1px);
    border-color: rgba(248, 198, 141, 0.34);
    background: rgba(248, 198, 141, 0.14);
}

.image-action-button.compact {
    min-height: 34px;
    padding: 0 12px;
    font-size: 0.84rem;
}

.presentation-notes {
    display: grid;
    gap: 12px;
    padding: 16px;
    border-radius: 20px;
    background: rgba(248, 198, 141, 0.08);
    border: 1px solid rgba(248, 198, 141, 0.2);
}

.presentation-notes-head {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.presentation-notes-head h4 {
    margin: 0;
    font-size: 1rem;
    color: #fff3e2;
}

.presentation-notes-list {
    display: grid;
    gap: 12px;
}

.presentation-note-card {
    display: grid;
    gap: 10px;
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.presentation-note-title {
    display: inline-flex;
    width: fit-content;
    align-items: center;
    min-height: 30px;
    padding: 0 12px;
    border-radius: 999px;
    font-size: 0.88rem;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
}

.presentation-term-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.presentation-term-bubble {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0 12px;
    border-radius: 999px;
    font-size: 0.88rem;
    background: rgba(248, 198, 141, 0.14);
    border: 1px solid rgba(248, 198, 141, 0.26);
    color: #fff2df;
}

.presentation-joker-bubble {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0 12px;
    border-radius: 999px;
    font-size: 0.88rem;
    background: rgba(139, 224, 211, 0.14);
    border: 1px solid rgba(139, 224, 211, 0.3);
    color: #edfffb;
}

.presentation-note-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
}

.notes-history-wrap {
    display: grid;
    gap: 12px;
    margin-top: 2px;
}

.notes-history-head h4 {
    margin: 0;
    font-size: 1rem;
    color: var(--text);
}

.notes-history {
    display: grid;
    gap: 12px;
}

.notes-empty {
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--muted);
    line-height: 1.65;
}

.note-card {
    display: grid;
    gap: 10px;
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.note-card.current {
    border-color: rgba(139, 224, 211, 0.34);
    background: linear-gradient(180deg, rgba(139, 224, 211, 0.08), rgba(255, 255, 255, 0.03));
}

.note-card-head {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.note-step,
.note-badge {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0 12px;
    border-radius: 999px;
    font-size: 0.88rem;
}

.note-step {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
}

.note-badge {
    background: rgba(248, 198, 141, 0.14);
    border: 1px solid rgba(248, 198, 141, 0.28);
    color: #fff2df;
}

.note-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
}

.coach-notes {
    display: grid;
    gap: 12px;
}

.coach-pill {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    width: fit-content;
}

.image-library-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.image-library-card {
    display: grid;
    gap: 14px;
    padding: 18px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.image-library-card-head {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
    align-items: flex-start;
}

.image-library-card-copy {
    display: grid;
    gap: 6px;
}

.image-library-type {
    color: var(--primary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 0.72rem;
    font-weight: 700;
}

.image-library-card h3 {
    margin: 0;
    font-size: 1.12rem;
    font-family: var(--serif);
}

.image-library-card img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(0, 0, 0, 0.14);
}

.image-library-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
}

.image-library-meta,
.image-library-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.hidden {
    display: none !important;
}

@media (max-width: 1180px) {
    .hero h1 {
        max-width: none;
    }
}

@media (max-width: 720px) {
    .page-shell {
        padding: 20px 16px 40px;
    }

    .panel,
    .hero-copy,
    .hero-stats {
        padding: 20px;
        border-radius: 24px;
    }

    .panel-header,
    .full-text-head,
    .trainer-head {
        flex-direction: column;
    }

    .memory-tools-actions,
    .memory-tools-meta {
        align-items: stretch;
    }

    .hero-stats,
    .panel-sidebar,
    .chunk-list,
    .studio-controls {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 2.55rem;
    }
}