:root {
    --bg: #f4efe5;
    --bg-strong: #efe3cd;
    --card: rgba(255, 250, 241, 0.92);
    --card-solid: #fffaf1;
    --line: rgba(81, 57, 33, 0.12);
    --ink: #26190f;
    --muted: #6d5a49;
    --accent: #d95d1f;
    --accent-dark: #9f3f11;
    --accent-soft: rgba(217, 93, 31, 0.12);
    --teal: #0f766e;
    --success: #18794e;
    --success-soft: rgba(24, 121, 78, 0.12);
    --danger: #b42318;
    --danger-soft: rgba(180, 35, 24, 0.12);
    --shadow: 0 18px 40px rgba(51, 32, 13, 0.12);
    --radius-lg: 24px;
    --radius-md: 18px;
    --radius-sm: 12px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    font-family: "Trebuchet MS", "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(255, 189, 89, 0.35), transparent 28%),
        radial-gradient(circle at right 20%, rgba(15, 118, 110, 0.18), transparent 24%),
        linear-gradient(180deg, #fbf6ec 0%, var(--bg) 50%, #ede5d8 100%);
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea {
    font: inherit;
}

.app-shell {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 32px 0 48px;
}

.hero-grid,
.page-header,
.panel {
    animation: rise-in 0.45s ease both;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 24px;
    align-items: stretch;
}

.hero-copy {
    padding: 24px 8px;
}

.hero-copy h1,
.page-header h1 {
    margin: 10px 0 16px;
    font-size: clamp(2.4rem, 4vw, 4rem);
    line-height: 1.04;
    letter-spacing: -0.04em;
}

.hero-text,
.soft-text,
.mini-notes p,
.info-card p,
.notes-panel p,
.question-copy p {
    color: var(--muted);
    line-height: 1.65;
}

.hero-tags,
.header-stats,
.control-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-panel {
    display: grid;
    gap: 18px;
}

.dual-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.panel,
.form-card,
.stat-card,
.notice {
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--card);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

.panel,
.form-card {
    padding: 24px;
}

.notes-panel {
    margin-top: 20px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: flex-start;
    margin-bottom: 22px;
}

.header-stats {
    justify-content: flex-end;
}

.stat-card {
    min-width: 130px;
    padding: 14px 16px;
    background: var(--card-solid);
}

.stat-card span,
.eyebrow {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.72rem;
    color: var(--muted);
}

.stat-card strong {
    display: block;
    margin-top: 8px;
    font-size: 1.1rem;
}

.panel-heading {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 18px;
}

.panel-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
}

.panel-heading h2,
.form-section h3,
.info-card h3 {
    margin: 6px 0 0;
    font-size: 1.35rem;
}

.stack-form {
    display: grid;
    gap: 14px;
}

.stack-form label {
    display: grid;
    gap: 8px;
    color: var(--muted);
}

.stack-form input,
.stack-form textarea {
    width: 100%;
    border: 1px solid rgba(70, 49, 27, 0.16);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    background: #fffdf7;
    color: var(--ink);
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.stack-form textarea {
    resize: vertical;
    min-height: 120px;
}

.stack-form input:focus,
.stack-form textarea:focus {
    outline: none;
    border-color: rgba(217, 93, 31, 0.45);
    box-shadow: 0 0 0 4px rgba(217, 93, 31, 0.12);
    transform: translateY(-1px);
}

.button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    min-height: 48px;
    border: none;
    border-radius: 999px;
    padding: 0 18px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}

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

.button:disabled {
    cursor: not-allowed;
    opacity: 0.65;
    transform: none;
}

.button-primary {
    color: #fff7f1;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    box-shadow: 0 12px 24px rgba(159, 63, 17, 0.24);
}

.button-secondary {
    color: #083632;
    background: linear-gradient(135deg, #3dcdbf, #0f766e);
    box-shadow: 0 12px 24px rgba(15, 118, 110, 0.24);
}

.button-ghost {
    color: var(--ink);
    background: rgba(255, 255, 255, 0.62);
    border: 1px solid var(--line);
}

.button-danger {
    color: #fff6f4;
    background: linear-gradient(135deg, #d92d20, #912018);
    box-shadow: 0 12px 24px rgba(145, 32, 24, 0.24);
}

.button-small {
    min-height: 38px;
    padding: 0 14px;
    font-size: 0.84rem;
    box-shadow: none;
}

.full-width {
    width: 100%;
}

.pill,
.role-badge,
.score-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.65);
    border: 1px solid var(--line);
    font-size: 0.88rem;
}

.role-moderator {
    background: rgba(217, 93, 31, 0.1);
}

.role-player {
    background: rgba(15, 118, 110, 0.1);
}

.score-chip {
    background: rgba(38, 25, 15, 0.06);
    font-weight: 700;
}

.pill-timer {
    background: rgba(217, 93, 31, 0.12);
    border-color: rgba(217, 93, 31, 0.22);
    color: var(--accent-dark);
    font-weight: 700;
}

.pill-timer-paused {
    background: rgba(15, 118, 110, 0.12);
    border-color: rgba(15, 118, 110, 0.18);
    color: var(--teal);
}

.pill-timer-danger {
    background: rgba(180, 35, 24, 0.12);
    border-color: rgba(180, 35, 24, 0.24);
    color: var(--danger);
}

.notice {
    margin-bottom: 18px;
    padding: 14px 18px;
}

.notice-info {
    background: rgba(255, 255, 255, 0.85);
}

.notice-success {
    background: var(--success-soft);
    color: var(--success);
}

.notice-error {
    background: var(--danger-soft);
    color: var(--danger);
}

.info-grid,
.lobby-layout,
.game-layout,
.list-grid,
.player-shell,
.moderator-shell,
.spectator-shell {
    display: grid;
    gap: 18px;
}

.info-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 22px;
}

.lobby-layout {
    grid-template-columns: 1.4fr 0.8fr;
}

.game-layout {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
}

.player-shell,
.spectator-shell {
    grid-template-columns: 1fr;
}

.moderator-shell {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
}

.player-stage-grid {
    display: grid;
    grid-template-columns: 1.35fr 0.8fr;
    gap: 18px;
    align-items: start;
}

.player-question-panel,
.moderator-stage-panel,
.spectator-stage-panel {
    min-height: 360px;
}

.player-control-panel,
.moderator-side-panel {
    position: sticky;
    top: 24px;
}

.moderator-action-stack {
    display: grid;
    gap: 10px;
}

.moderator-score-panel,
.host-answer-panel,
.spectator-score-panel,
.spectator-feed-panel,
.player-score-panel,
.audience-feed-panel,
#rankingPanel {
    grid-column: 1 / -1;
}

.question-panel {
    min-height: 320px;
}

.list-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.list-card,
.response-card,
.ranking-card,
.status-card,
.empty-state {
    border-radius: var(--radius-md);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.72);
    padding: 16px;
}

.list-card-head,
.response-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
}

.list-card h3,
.ranking-card strong {
    margin: 0 0 8px;
}

.list-card-side {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}

.question-title {
    margin: 10px 0 0;
    font-size: clamp(1.35rem, 2.2vw, 2rem);
    line-height: 1.3;
}

.question-copy-large {
    min-height: 180px;
}

.question-copy {
    min-height: 80px;
    font-size: 1.08rem;
}

.option-preview-grid,
.option-answer-grid {
    display: grid;
    gap: 12px;
    margin-top: 14px;
}

.option-preview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.option-card,
.answer-option {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 12px;
    align-items: center;
    border-radius: var(--radius-md);
    border: 1px solid rgba(81, 57, 33, 0.14);
    background: rgba(255, 255, 255, 0.78);
    padding: 14px 16px;
}

.option-card-correct,
.answer-option-correct {
    border-color: rgba(24, 121, 78, 0.38);
    background: rgba(24, 121, 78, 0.08);
}

.answer-option {
    cursor: pointer;
}

.answer-option input {
    display: none;
}

.answer-option-selected {
    border-color: rgba(217, 93, 31, 0.38);
    background: var(--accent-soft);
}

.option-key {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(38, 25, 15, 0.08);
    font-weight: 700;
}

.status-card {
    margin-top: 18px;
    background: rgba(255, 255, 255, 0.58);
}

.status-card p,
.inline-note {
    margin: 0;
    color: var(--muted);
    line-height: 1.6;
}

.inline-note {
    min-height: 26px;
}

.form-section {
    display: grid;
    gap: 12px;
}

.divider {
    height: 1px;
    margin: 20px 0;
    background: linear-gradient(90deg, transparent, rgba(81, 57, 33, 0.18), transparent);
}

.response-list,
.ranking-list,
.mini-notes,
.room-grid,
.host-answer-grid {
    display: grid;
    gap: 12px;
}

.host-answer-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.room-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    margin-top: 14px;
}

.room-card {
    display: grid;
    gap: 14px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.72);
}

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

.room-card h3 {
    margin: 6px 0 0;
}

.ranking-card {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
}

.response-card-detailed {
    display: grid;
    gap: 14px;
    padding: 18px;
}

.answer-frame {
    display: grid;
    gap: 8px;
}

.answer-bubble,
.answer-empty {
    margin: 0;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(81, 57, 33, 0.14);
    background: rgba(255, 255, 255, 0.9);
    color: var(--ink);
    line-height: 1.6;
}

.answer-bubble {
    font-family: "Consolas", "Courier New", monospace;
    white-space: pre-wrap;
    word-break: break-word;
}

.answer-empty {
    color: var(--muted);
    font-style: italic;
}

.result-flash {
    position: fixed;
    top: 24px;
    left: 50%;
    z-index: 50;
    transform: translateX(-50%);
    padding: 14px 22px;
    border-radius: 999px;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: #fff;
    box-shadow: 0 18px 30px rgba(38, 25, 15, 0.22);
    animation: result-pop 1.4s ease forwards;
}

.result-flash-correct {
    background: linear-gradient(135deg, #169b62, #0d6f4d);
}

.result-flash-wrong {
    background: linear-gradient(135deg, #d92d20, #912018);
}

.result-panel-correct {
    animation: panel-correct 0.9s ease;
}

.result-panel-wrong {
    animation: panel-wrong 0.9s ease;
}

.result-text-correct {
    color: var(--success);
    font-weight: 700;
}

.result-text-wrong {
    color: var(--danger);
    font-weight: 700;
}

.ranking-index {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(217, 93, 31, 0.14);
    font-weight: 700;
}

.empty-state {
    text-align: center;
    color: var(--muted);
}

.hidden {
    display: none !important;
}

@keyframes rise-in {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes result-pop {
    0% {
        opacity: 0;
        transform: translate(-50%, -18px) scale(0.88);
    }

    20% {
        opacity: 1;
        transform: translate(-50%, 0) scale(1);
    }

    80% {
        opacity: 1;
        transform: translate(-50%, 0) scale(1);
    }

    100% {
        opacity: 0;
        transform: translate(-50%, -12px) scale(0.96);
    }
}

@keyframes panel-correct {
    0% {
        box-shadow: 0 0 0 0 rgba(24, 121, 78, 0.35);
        background: rgba(24, 121, 78, 0.08);
    }

    100% {
        box-shadow: 0 0 0 18px rgba(24, 121, 78, 0);
        background: rgba(255, 255, 255, 0.58);
    }
}

@keyframes panel-wrong {
    0% {
        box-shadow: 0 0 0 0 rgba(180, 35, 24, 0.35);
        background: rgba(180, 35, 24, 0.08);
    }

    100% {
        box-shadow: 0 0 0 18px rgba(180, 35, 24, 0);
        background: rgba(255, 255, 255, 0.58);
    }
}

@media (max-width: 980px) {
    .hero-grid,
    .lobby-layout,
    .game-layout,
    .info-grid,
    .dual-form,
    .player-stage-grid,
    .moderator-shell,
    .spectator-shell {
        grid-template-columns: 1fr;
    }

    .page-header {
        flex-direction: column;
    }

    .header-stats {
        justify-content: flex-start;
    }

    .option-preview-grid {
        grid-template-columns: 1fr;
    }

    .player-control-panel,
    .moderator-side-panel {
        position: static;
    }
}

@media (max-width: 640px) {
    .app-shell {
        width: min(100% - 20px, 1180px);
        padding-top: 18px;
    }

    .panel,
    .form-card {
        padding: 18px;
    }

    .hero-copy h1,
    .page-header h1 {
        font-size: 2rem;
    }

    .header-stats {
        flex-direction: column;
        width: 100%;
    }

    .stat-card {
        width: 100%;
    }

    .list-card-head,
    .response-row,
    .ranking-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .list-card-side {
        align-items: flex-start;
    }
}