/* ============================================
   猜词接力 - 可爱风格样式表
   适用于：虚拟主机 + PHP环境
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800&display=swap');

:root {
    --pink: #FFB7C5;
    --pink-dark: #FF8DA1;
    --pink-light: #FFE4E9;
    --pink-darker: #FF6B85;
    --lavender: #E6E6FA;
    --lavender-dark: #D8BFD8;
    --mint: #98FB98;
    --mint-dark: #7FDD7F;
    --sky: #87CEEB;
    --sky-dark: #6BB5D8;
    --cream: #FFF8F0;
    --cream-dark: #FFF0E0;
    --text: #5A4A6A;
    --text-light: #8B7A9B;
    --text-lighter: #B5A8C4;
    --white: #FFFFFF;
    --shadow: rgba(255, 183, 197, 0.25);
    --shadow-dark: rgba(255, 141, 161, 0.35);
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --radius-xl: 32px;
}

/* ========== 基础重置 ========== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Nunito', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #FFE4E9 0%, #E6E6FA 40%, #E0F7FA 100%);
    min-height: 100vh;
    color: var(--text);
    overflow-x: hidden;
    line-height: 1.6;
}

/* ========== 浮动装饰背景 ========== */
.floating-deco {
    position: fixed;
    pointer-events: none;
    z-index: 0;
    font-size: 2rem;
    opacity: 0.6;
    animation: float 6s ease-in-out infinite;
}

.floating-deco:nth-child(1) { top: 8%; left: 5%; animation-delay: 0s; font-size: 2.2rem; }
.floating-deco:nth-child(2) { top: 18%; right: 8%; animation-delay: 1.2s; font-size: 1.6rem; }
.floating-deco:nth-child(3) { top: 55%; left: 3%; animation-delay: 2.5s; font-size: 1.9rem; }
.floating-deco:nth-child(4) { bottom: 12%; right: 6%; animation-delay: 3.8s; font-size: 2.4rem; }
.floating-deco:nth-child(5) { top: 38%; right: 12%; animation-delay: 0.8s; font-size: 1.4rem; }
.floating-deco:nth-child(6) { bottom: 28%; left: 8%; animation-delay: 4.5s; font-size: 1.7rem; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-22px) rotate(8deg); }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

@keyframes pop {
    0% { transform: scale(0); opacity: 0; }
    60% { transform: scale(1.15); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(40px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 183, 197, 0.4); }
    50% { transform: scale(1.03); box-shadow: 0 0 0 12px rgba(255, 183, 197, 0); }
}

@keyframes confetti {
    0% { transform: translateY(0) rotate(0deg) scale(1); opacity: 1; }
    100% { transform: translateY(-100vh) rotate(720deg) scale(0.3); opacity: 0; }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ========== 布局容器 ========== */
.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 20px 16px;
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.card {
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    box-shadow: 0 8px 32px var(--shadow), 0 2px 8px rgba(0,0,0,0.04);
    border: 2px solid rgba(255, 255, 255, 0.6);
    animation: slideUp 0.5s ease-out;
    width: 100%;
}

.card + .card {
    margin-top: 16px;
}

/* ========== 标题 ========== */
.title {
    text-align: center;
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--pink-dark);
    margin-bottom: 8px;
    text-shadow: 2px 2px 6px var(--shadow);
    animation: bounce 2.2s ease-in-out infinite;
    letter-spacing: 2px;
}

.subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 28px;
    font-weight: 600;
}

/* ========== 表单元素 ========== */
.input-group {
    margin-bottom: 18px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
    color: var(--text);
    font-size: 0.92rem;
    padding-left: 4px;
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 14px 18px;
    border: 2.5px solid var(--pink);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    background: var(--cream);
    color: var(--text);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

.input-group input::placeholder {
    color: var(--text-lighter);
}

.input-group input:focus,
.input-group select:focus {
    border-color: var(--pink-dark);
    box-shadow: 0 0 0 5px var(--shadow);
    transform: translateY(-2px);
    background: var(--white);
}

/* ========== 按钮 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 14px 28px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.05rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255,255,255,0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
}

.btn:active::after {
    width: 200%;
    height: 200%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--pink), var(--pink-dark));
    color: var(--white);
    box-shadow: 0 4px 18px var(--shadow-dark);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 28px var(--shadow-dark);
}

.btn-primary:active {
    transform: translateY(0) scale(0.98);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--lavender), var(--lavender-dark));
    color: var(--text);
    box-shadow: 0 4px 16px rgba(216, 191, 216, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 24px rgba(216, 191, 216, 0.4);
}

.btn-mint {
    background: linear-gradient(135deg, var(--mint), var(--mint-dark));
    color: #2D5A2D;
    box-shadow: 0 4px 16px rgba(152, 251, 152, 0.3);
}

.btn-mint:hover {
    transform: translateY(-3px);
}

.btn-sky {
    background: linear-gradient(135deg, var(--sky), var(--sky-dark));
    color: var(--white);
    box-shadow: 0 4px 16px rgba(135, 206, 235, 0.3);
}

.btn-sky:hover {
    transform: translateY(-3px);
}

.btn-danger {
    background: linear-gradient(135deg, #FFCDD2, #EF9A9A);
    color: #B71C1C;
    box-shadow: 0 4px 16px rgba(239, 154, 154, 0.3);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 20px;
}

.btn-group .btn {
    flex: 1;
    min-width: 130px;
}

.btn-block {
    width: 100%;
}

/* ========== 模式选择卡片 ========== */
.mode-selection {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 24px 0;
}

.mode-card {
    background: linear-gradient(135deg, var(--cream), var(--cream-dark));
    border: 2.5px solid var(--pink);
    border-radius: var(--radius-md);
    padding: 24px 16px;
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.mode-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s;
}

.mode-card:hover::before {
    left: 100%;
}

.mode-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 12px 32px var(--shadow);
    border-color: var(--pink-dark);
}

.mode-card:active {
    transform: translateY(-2px) scale(0.98);
}

.mode-card .icon {
    font-size: 2.8rem;
    margin-bottom: 10px;
    display: block;
}

.mode-card h3 {
    color: var(--pink-dark);
    margin-bottom: 6px;
    font-size: 1.15rem;
}

.mode-card p {
    color: var(--text-light);
    font-size: 0.82rem;
    line-height: 1.4;
}

/* ========== 游戏头部信息 ========== */
.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 10px;
}

.game-info {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.info-badge {
    background: linear-gradient(135deg, var(--pink-light), var(--lavender));
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--text);
    border: 2px solid var(--pink);
    animation: pulse 2.5s ease-in-out infinite;
    white-space: nowrap;
}

.info-badge.timer-warning {
    background: linear-gradient(135deg, #FFE4B5, #FFD700);
    border-color: #FFA500;
    animation: shake 0.6s ease-in-out infinite;
    color: #8B6914;
}

.info-badge.timer-danger {
    background: linear-gradient(135deg, #FFB7C5, #FF6B6B);
    border-color: #FF4444;
    animation: shake 0.35s ease-in-out infinite;
    color: var(--white);
}

/* ========== 角色显示区 ========== */
.role-display {
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--lavender), var(--pink-light));
    border-radius: var(--radius-md);
    margin-bottom: 18px;
    border: 2.5px dashed var(--pink-dark);
    position: relative;
    overflow: hidden;
}

.role-display h2 {
    color: var(--pink-dark);
    font-size: 1.35rem;
    margin-bottom: 6px;
    font-weight: 800;
}

.role-display .word-hint {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text);
    margin: 14px 0;
    padding: 14px 20px;
    background: var(--white);
    border-radius: var(--radius-md);
    border: 3px solid var(--pink);
    letter-spacing: 10px;
    display: inline-block;
    min-width: 160px;
    box-shadow: 0 4px 12px var(--shadow);
    animation: pop 0.4s ease-out;
}

.role-display .word-hint.guesser-view {
    color: var(--text-lighter);
    font-size: 1.4rem;
    letter-spacing: 6px;
}

.role-display .role-hint {
    color: var(--text-light);
    font-size: 0.88rem;
    margin-top: 8px;
    font-weight: 600;
}

/* ========== 聊天区域 ========== */
.chat-area {
    background: var(--cream);
    border-radius: var(--radius-md);
    padding: 18px;
    height: 340px;
    overflow-y: auto;
    margin-bottom: 16px;
    border: 2.5px solid var(--pink);
    scroll-behavior: smooth;
}

.chat-area::-webkit-scrollbar {
    width: 8px;
}

.chat-area::-webkit-scrollbar-track {
    background: var(--cream-dark);
    border-radius: 10px;
}

.chat-area::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--pink), var(--pink-dark));
    border-radius: 10px;
}

.chat-area::-webkit-scrollbar-thumb:hover {
    background: var(--pink-dark);
}

.message {
    margin-bottom: 12px;
    animation: pop 0.35s ease-out;
    max-width: 82%;
}

.message-self {
    margin-left: auto;
    text-align: right;
}

.message-other {
    margin-right: auto;
    text-align: left;
}

.message-bubble {
    display: inline-block;
    padding: 11px 16px;
    border-radius: 18px;
    font-size: 0.94rem;
    word-break: break-word;
    position: relative;
    line-height: 1.5;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.message-self .message-bubble {
    background: linear-gradient(135deg, var(--pink), var(--pink-dark));
    color: var(--white);
    border-bottom-right-radius: 4px;
}

.message-other .message-bubble {
    background: linear-gradient(135deg, var(--lavender), var(--lavender-dark));
    color: var(--text);
    border-bottom-left-radius: 4px;
}

.message-hint .message-bubble {
    background: linear-gradient(135deg, #FFF9C4, #FFECB3);
    color: var(--text);
    border: 2px solid #FFD54F;
}

.message-correct .message-bubble {
    background: linear-gradient(135deg, var(--mint), var(--mint-dark));
    color: #1B5E20;
    border: 2px solid var(--mint-dark);
    animation: bounce 0.5s ease-out;
    font-weight: 700;
}

.message-wrong .message-bubble {
    background: linear-gradient(135deg, #FFCDD2, #EF9A9A);
    color: #B71C1C;
    border: 2px solid #EF5350;
}

.message-sender {
    font-size: 0.74rem;
    color: var(--text-light);
    margin-bottom: 4px;
    font-weight: 600;
    padding: 0 6px;
}

.system-message {
    text-align: center;
    margin: 14px 0;
    color: var(--text-light);
    font-size: 0.86rem;
    font-weight: 600;
    font-style: italic;
    padding: 8px;
    background: rgba(255,255,255,0.5);
    border-radius: var(--radius-sm);
}

/* ========== 输入区域 ========== */
.input-area {
    display: flex;
    gap: 10px;
    align-items: center;
}

.input-area input {
    flex: 1;
    padding: 13px 16px;
    border: 2.5px solid var(--pink);
    border-radius: var(--radius-md);
    font-size: 0.98rem;
    font-family: inherit;
    background: var(--white);
    outline: none;
    transition: all 0.3s ease;
}

.input-area input:focus {
    border-color: var(--pink-dark);
    box-shadow: 0 0 0 4px var(--shadow);
}

.input-area .btn {
    padding: 13px 20px;
    white-space: nowrap;
    font-size: 0.95rem;
}

.skip-btn {
    background: linear-gradient(135deg, #FFE0B2, #FFCC80);
    color: #E65100;
}

.skip-btn:disabled {
    background: #E0E0E0;
    color: #9E9E9E;
}

/* ========== 进度条 ========== */
.progress-bar {
    width: 100%;
    height: 10px;
    background: var(--cream-dark);
    border-radius: 12px;
    overflow: hidden;
    margin: 10px 0 16px;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.08);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--pink), var(--pink-dark));
    border-radius: 12px;
    transition: width 1s linear;
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-fill.warning {
    background: linear-gradient(90deg, #FFD700, #FFA500);
}

.progress-fill.danger {
    background: linear-gradient(90deg, #FF6B6B, #FF4444);
}

/* ========== 跳过机会 ========== */
.skip-chances {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin: 8px 0;
}

.skip-heart {
    font-size: 1.4rem;
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(255, 107, 133, 0.3));
}

.skip-heart.used {
    opacity: 0.25;
    filter: grayscale(1);
}

/* ========== 排行榜 ========== */
.leaderboard-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    justify-content: center;
}

.tab-btn {
    padding: 10px 22px;
    border: 2.5px solid var(--pink);
    background: var(--white);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-family: inherit;
    font-weight: 700;
    transition: all 0.3s ease;
    color: var(--text);
    font-size: 0.92rem;
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--pink), var(--pink-dark));
    color: var(--white);
    border-color: var(--pink-dark);
    box-shadow: 0 4px 14px var(--shadow-dark);
}

.tab-btn:hover:not(.active) {
    background: var(--pink-light);
    transform: translateY(-2px);
}

.leaderboard-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 8px;
}

.leaderboard-table th {
    padding: 12px 8px;
    color: var(--text-light);
    font-weight: 700;
    font-size: 0.82rem;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.leaderboard-table td {
    padding: 14px 10px;
    text-align: center;
    background: var(--white);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.92rem;
    transition: all 0.3s ease;
}

.leaderboard-table tr {
    transition: all 0.3s ease;
}

.leaderboard-table tr:hover td {
    background: var(--pink-light);
    transform: scale(1.02);
    box-shadow: 0 4px 12px var(--shadow);
}

.rank-1 td {
    background: linear-gradient(135deg, #FFD700, #FFA500) !important;
    color: var(--white) !important;
    font-weight: 800;
    box-shadow: 0 4px 16px rgba(255, 165, 0, 0.4);
}

.rank-2 td {
    background: linear-gradient(135deg, #C0C0C0, #A0A0A0) !important;
    color: var(--white) !important;
    font-weight: 800;
}

.rank-3 td {
    background: linear-gradient(135deg, #CD7F32, #B87333) !important;
    color: var(--white) !important;
    font-weight: 800;
}

.rank-medal {
    font-size: 1.6rem;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

/* ========== 结果页面 ========== */
.result-screen {
    text-align: center;
    padding: 20px 10px;
}

.result-score {
    font-size: 4.5rem;
    font-weight: 800;
    color: var(--pink-dark);
    margin: 16px 0;
    animation: bounce 1.2s ease-in-out infinite;
    text-shadow: 3px 3px 8px var(--shadow);
}

.result-detail {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 28px;
    font-weight: 600;
}

.result-players {
    background: linear-gradient(135deg, var(--lavender), var(--pink-light));
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    border: 2px dashed var(--pink-dark);
}

.result-players h3 {
    color: var(--pink-dark);
    margin-bottom: 8px;
}

/* ========== 等待页面 ========== */
.waiting-screen {
    text-align: center;
    padding: 30px 20px;
}

.waiting-animation {
    font-size: 4rem;
    margin-bottom: 16px;
    animation: bounce 1.2s ease-in-out infinite;
    display: inline-block;
}

.room-code-display {
    font-size: 3rem;
    font-weight: 800;
    color: var(--pink-dark);
    letter-spacing: 12px;
    margin: 16px 0;
    padding: 14px 28px;
    background: var(--cream);
    border-radius: var(--radius-md);
    border: 3px dashed var(--pink-dark);
    display: inline-block;
    font-family: 'Courier New', monospace;
    box-shadow: 0 4px 16px var(--shadow);
    user-select: all;
    cursor: pointer;
    transition: all 0.3s ease;
}

.room-code-display:hover {
    transform: scale(1.05);
    background: var(--pink-light);
}

.room-code-display.copied {
    background: linear-gradient(135deg, var(--mint), var(--mint-dark));
    border-color: var(--mint-dark);
    color: #1B5E20;
}

/* ========== 提示框 ========== */
.toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-120px);
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: 0 8px 28px rgba(0,0,0,0.15);
    z-index: 10000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    max-width: 90vw;
    text-align: center;
    backdrop-filter: blur(10px);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast.error {
    background: linear-gradient(135deg, #FF8A80, #FF5252);
    color: var(--white);
    border: 2px solid #FF1744;
}

.toast.success {
    background: linear-gradient(135deg, var(--mint), var(--mint-dark));
    color: #1B5E20;
    border: 2px solid var(--mint-dark);
}

.toast.info {
    background: linear-gradient(135deg, var(--sky), var(--sky-dark));
    color: var(--white);
    border: 2px solid var(--sky-dark);
}

/* ========== 加载动画 ========== */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--pink-light);
    border-top-color: var(--pink-dark);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    gap: 16px;
}

.loading-overlay .loading-spinner {
    width: 48px;
    height: 48px;
    border-width: 5px;
}

.loading-overlay p {
    color: var(--text-light);
    font-weight: 700;
    font-size: 1.1rem;
}

/* ========== 彩纸特效 ========== */
.confetti-piece {
    position: fixed;
    width: 12px;
    height: 12px;
    top: 100%;
    z-index: 9998;
    animation: confetti 3.5s ease-out forwards;
    pointer-events: none;
}

/* ========== 隐藏类 ========== */
.hidden { display: none !important; }

/* ========== 响应式设计 ========== */
@media (max-width: 600px) {
    .title { font-size: 1.8rem; }
    .subtitle { font-size: 0.88rem; }
    .card { padding: 20px 16px; border-radius: var(--radius-md); }
    .mode-selection { grid-template-columns: 1fr; gap: 12px; }
    .game-header { flex-direction: column; align-items: stretch; }
    .info-badge { text-align: center; font-size: 0.82rem; padding: 6px 10px; }
    .chat-area { height: 260px; padding: 14px; }
    .room-code-display { font-size: 2.2rem; letter-spacing: 8px; padding: 10px 20px; }
    .result-score { font-size: 3.5rem; }
    .btn-group .btn { min-width: 100px; padding: 12px 18px; font-size: 0.95rem; }
    .input-area { flex-wrap: wrap; }
    .input-area input { width: 100%; order: 1; }
    .input-area .btn { order: 2; flex: 1; }
    .message { max-width: 90%; }
    .leaderboard-table th, .leaderboard-table td { padding: 10px 6px; font-size: 0.82rem; }
}

@media (max-width: 380px) {
    .title { font-size: 1.5rem; }
    .room-code-display { font-size: 1.8rem; letter-spacing: 6px; }
    .result-score { font-size: 3rem; }
}

/* ========== 暗色模式支持（可选） ========== */
@media (prefers-color-scheme: dark) {
    /* 保持可爱风格，不做暗色适配 */
}

/* ========== 减少动画（无障碍） ========== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}