* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #0a0a14;
    --bg-2: #14142a;
    --bg-3: #1c1c38;
    --bg-4: #252a52;
    --gold: #f0c040;
    --gold-2: #ffd86b;
    --red: #e94560;
    --red-dark: #c73650;
    --green: #3ddc84;
    --purple: #8b5cf6;
    --text: #eaeaf5;
    --text-dim: #8a8fb0;
    --border: rgba(240, 192, 64, 0.15);
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* 动态背景 */
.bg-orbs {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(circle at 15% 20%, rgba(240, 192, 64, 0.10), transparent 45%),
        radial-gradient(circle at 85% 80%, rgba(233, 69, 96, 0.12), transparent 45%),
        radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.08), transparent 60%);
    animation: bgShift 20s ease-in-out infinite alternate;
}

@keyframes bgShift {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.15) translate(2%, -2%); }
}

.container, #app { position: relative; z-index: 1; }

/* =============== 首页 =============== */
.container {
    max-width: 480px;
    margin: 50px auto;
    padding: 20px;
}

.hero {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.hero-icon {
    font-size: 64px;
    line-height: 1;
    margin-bottom: 8px;
    display: inline-block;
    filter: drop-shadow(0 0 24px rgba(240, 192, 64, 0.6));
    animation: float 3s ease-in-out infinite;
}

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

.logo {
    color: var(--gold);
    font-size: 42px;
    letter-spacing: 12px;
    font-weight: 900;
    text-shadow:
        0 0 20px rgba(240, 192, 64, 0.6),
        0 0 40px rgba(240, 192, 64, 0.3),
        0 4px 0 rgba(120, 90, 20, 0.8);
    margin-bottom: 6px;
}

.subtitle {
    color: var(--text-dim);
    font-size: 11px;
    letter-spacing: 6px;
    text-transform: uppercase;
    opacity: 0.7;
}

.card {
    background: linear-gradient(135deg, var(--bg-2) 0%, var(--bg-3) 100%);
    padding: 26px;
    border-radius: 18px;
    margin-bottom: 20px;
    box-shadow:
        0 10px 40px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border);
    backdrop-filter: blur(8px);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0.6;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
}

.card h2 {
    font-size: 15px;
    margin-bottom: 18px;
    color: var(--gold);
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-icon { font-size: 18px; }

input, button, textarea {
    width: 100%;
    padding: 13px 16px;
    margin-bottom: 10px;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-family: inherit;
    outline: none;
}

input, textarea {
    background: rgba(0, 0, 0, 0.4);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: box-shadow 0.2s, border-color 0.2s, background 0.2s;
}

input:focus, textarea:focus {
    border-color: var(--gold);
    background: rgba(0, 0, 0, 0.6);
    box-shadow: 0 0 0 3px rgba(240, 192, 64, 0.18);
}

input::placeholder, textarea::placeholder { color: #5a6080; }

button {
    background: linear-gradient(135deg, var(--red), var(--red-dark));
    color: #fff;
    cursor: pointer;
    font-weight: bold;
    letter-spacing: 2px;
    transition: transform 0.15s, box-shadow 0.2s, filter 0.2s;
    position: relative;
    overflow: hidden;
}

button::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.25) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

button:hover:not(:disabled)::after { transform: translateX(100%); }

button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(233, 69, 96, 0.55);
}

button:active:not(:disabled) { transform: translateY(0); }

.divider {
    text-align: center;
    margin: 20px 0;
    color: var(--text-dim);
    font-size: 12px;
    letter-spacing: 4px;
    position: relative;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(240,192,64,0.2), transparent);
}

.divider::before { left: 0; }
.divider::after { right: 0; }

.footer {
    text-align: center;
    color: var(--text-dim);
    font-size: 11px;
    margin-top: 36px;
    opacity: 0.5;
    letter-spacing: 2px;
}

/* =============== 游戏页 =============== */
#app {
    max-width: 980px;
    margin: 0 auto;
    padding: 20px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--bg-2) 0%, var(--bg-3) 100%);
    border-radius: 16px;
    box-shadow:
        0 8px 28px rgba(0, 0, 0, 0.45),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand {
    font-size: 22px;
    font-weight: 900;
    color: var(--gold);
    letter-spacing: 3px;
    text-shadow: 0 0 18px rgba(240, 192, 64, 0.55);
}

.room-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-dim);
    background: rgba(0, 0, 0, 0.35);
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.room-id {
    color: var(--gold);
    font-weight: bold;
    font-size: 16px;
    letter-spacing: 2px;
    font-family: "Courier New", monospace;
}

.copy-btn {
    width: auto;
    padding: 4px 10px;
    margin: 0;
    font-size: 12px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
    border-radius: 6px;
    letter-spacing: 0;
}

.copy-btn:hover {
    background: var(--gold);
    color: #000;
    transform: none;
    box-shadow: none;
}

.end-game-btn {
    width: auto;
    padding: 8px 18px;
    margin: 0;
    font-size: 13px;
    background: linear-gradient(135deg, #b03a4c, #7a1f2c);
    border-radius: 10px;
    letter-spacing: 1px;
}

.my-info {
    display: none;
    background: linear-gradient(135deg, rgba(240,192,64,0.15), rgba(255,255,255,0.03));
    color: var(--text);
    padding: 14px 22px;
    border-radius: 12px;
    margin-bottom: 16px;
    font-size: 15px;
    text-align: center;
    border: 1px solid var(--border);
    letter-spacing: 1px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.my-info b { color: var(--gold); }

.my-info .role-name {
    color: var(--red);
    font-size: 17px;
    letter-spacing: 2px;
    text-shadow: 0 0 12px rgba(233, 69, 96, 0.5);
}

.host-tag {
    color: #fff;
    background: linear-gradient(135deg, var(--red), var(--red-dark));
    padding: 2px 10px;
    border-radius: 6px;
    font-size: 11px;
    margin-left: 6px;
    letter-spacing: 1px;
}

.host-prompt {
    background: linear-gradient(135deg, #0e2a52 0%, #1c4a82 60%, #2a5a95 100%);
    color: var(--gold);
    font-size: 22px;
    font-weight: bold;
    text-align: center;
    padding: 32px 24px;
    border-radius: 16px;
    margin-bottom: 24px;
    min-height: 110px;
    line-height: 1.5;
    letter-spacing: 3px;
    box-shadow:
        inset 0 0 60px rgba(0, 0, 0, 0.5),
        0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(240, 192, 64, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: bannerPulse 4s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

.host-prompt::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(240, 192, 64, 0.08), transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.08), transparent 50%);
    pointer-events: none;
}

@keyframes bannerPulse {
    0%, 100% {
        box-shadow: inset 0 0 60px rgba(0, 0, 0, 0.5), 0 10px 30px rgba(0, 0, 0, 0.5);
    }
    50% {
        box-shadow: inset 0 0 60px rgba(30, 60, 120, 0.5), 0 10px 36px rgba(0, 0, 0, 0.65);
    }
}

.section-title {
    font-size: 12px;
    color: var(--text-dim);
    letter-spacing: 4px;
    margin: 26px 0 12px 8px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-title::before {
    content: '';
    width: 3px;
    height: 14px;
    background: var(--gold);
    border-radius: 2px;
}

.player-count {
    color: var(--gold);
    font-size: 12px;
    letter-spacing: 0;
    text-transform: none;
    margin-left: auto;
}

.players-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(115px, 1fr));
    gap: 10px;
}

.player-card {
    background: linear-gradient(135deg, var(--bg-2) 0%, var(--bg-3) 100%);
    padding: 18px 10px;
    border-radius: 14px;
    text-align: center;
    position: relative;
    border: 1.5px solid transparent;
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
    overflow: hidden;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}

.player-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(240, 192, 64, 0.4), transparent);
    opacity: 0;
    transition: opacity 0.2s;
}

.player-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.4);
}

.player-card:hover::before { opacity: 1; }

.player-card.me {
    border-color: var(--gold);
    box-shadow:
        0 0 24px rgba(240, 192, 64, 0.4),
        0 4px 14px rgba(0, 0, 0, 0.25);
}

.player-card.dead {
    opacity: 0.3;
    filter: grayscale(1);
}

.player-num {
    font-size: 22px;
    font-weight: 900;
    color: var(--gold);
    text-shadow: 0 0 12px rgba(240, 192, 64, 0.4);
    font-family: "Courier New", monospace;
}

.player-name {
    font-size: 13px;
    margin-top: 4px;
    color: #ccc;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dead-mark {
    position: absolute;
    top: 6px;
    right: 8px;
    font-size: 16px;
    opacity: 0.9;
}

.me-tag {
    position: absolute;
    top: 6px;
    left: 8px;
    font-size: 10px;
    background: var(--gold);
    color: #000;
    padding: 1px 7px;
    border-radius: 4px;
    font-weight: bold;
    letter-spacing: 1px;
}

/* ====== 操作区 ====== */
.action-area-wrap {
    background: linear-gradient(135deg, var(--bg-2) 0%, var(--bg-3) 100%);
    padding: 26px;
    border-radius: 16px;
    box-shadow:
        0 8px 28px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
}

.action-area { min-height: 70px; }

.action-area h3 {
    margin-bottom: 16px;
    color: var(--gold);
    font-size: 17px;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.action-area h2 {
    color: var(--gold);
    text-align: center;
    padding: 24px 0;
    letter-spacing: 4px;
    font-size: 24px;
}

.waiting-hint {
    color: var(--text-dim) !important;
    font-weight: normal;
    text-align: center;
    padding: 24px 0;
    font-style: italic;
    font-size: 15px;
}

.waiting-hint b { color: var(--gold); font-style: normal; }

.waiting-hint .sub-hint {
    color: var(--gold);
    font-size: 13px;
    margin-left: 8px;
    font-style: normal;
}

.action-area .tip {
    color: var(--text-dim);
    font-size: 13px;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.action-area .tip b { color: var(--gold); }

.action-area button {
    width: auto;
    display: inline-block;
    margin: 6px 8px 6px 0;
    padding: 11px 24px;
    font-size: 14px;
}

.speech-input {
    width: 100%;
    min-height: 90px;
    resize: vertical;
    margin-bottom: 14px;
    padding: 12px 16px;
    font-size: 14px;
    line-height: 1.5;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.45);
    color: #fff;
    border: 1px solid rgba(240, 192, 64, 0.25);
    font-family: inherit;
}

.speech-input:focus {
    border-color: var(--gold);
    background: rgba(0, 0, 0, 0.6);
    box-shadow: 0 0 0 3px rgba(240, 192, 64, 0.18);
}

.btn-secondary {
    background: linear-gradient(135deg, #2a3c70, #1c4a82);
}

.btn-secondary:hover:not(:disabled) {
    box-shadow: 0 10px 28px rgba(28, 74, 130, 0.55);
}

.btn-danger {
    background: linear-gradient(135deg, #b03a4c, #7a1f2c);
}

.btn-disabled, button:disabled {
    background: #2a2f48 !important;
    color: #666;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* 倒计时 */
.timer {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(0, 0, 0, 0.4);
    padding: 12px 20px;
    border-radius: 12px;
    color: var(--gold);
    font-weight: bold;
    font-family: "Courier New", monospace;
    font-size: 20px;
    letter-spacing: 2px;
    border: 1px solid rgba(240, 192, 64, 0.3);
    margin-top: 20px;
    width: fit-content;
    transition: background 0.2s, color 0.2s;
}

.timer .timer-icon { font-size: 17px; }

.timer .timer-text {
    font-family: "Microsoft YaHei", sans-serif;
    font-size: 13px;
    color: var(--text-dim);
    font-weight: normal;
    letter-spacing: 1px;
}

.timer #timer-value { min-width: 60px; text-align: center; }

.timer.urgent {
    color: #fff;
    background: rgba(233, 69, 96, 0.9);
    border-color: var(--red);
    animation: pulseRed 0.8s ease-in-out infinite;
    box-shadow: 0 0 24px rgba(233, 69, 96, 0.5);
}

@keyframes pulseRed {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.06); }
}

.log {
    background: rgba(0, 0, 0, 0.45);
    padding: 18px 24px;
    border-radius: 14px;
    font-size: 14px;
    max-height: 260px;
    overflow-y: auto;
    color: #b8bdd4;
    line-height: 2;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.4);
}

.log div {
    padding: 2px 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.04);
}

.log div:last-child { border-bottom: none; }

.log::-webkit-scrollbar { width: 6px; }
.log::-webkit-scrollbar-track { background: transparent; }
.log::-webkit-scrollbar-thumb {
    background: var(--bg-4);
    border-radius: 3px;
}

/* ====== 游戏结束身份揭示 ====== */
.reveal-area {
    margin-top: 24px;
    background: linear-gradient(135deg, #1c2444 0%, #14172e 100%);
    padding: 28px;
    border-radius: 16px;
    border: 1px solid rgba(240, 192, 64, 0.3);
    box-shadow:
        0 12px 40px rgba(0, 0, 0, 0.55),
        inset 0 1px 0 rgba(240, 192, 64, 0.15);
    position: relative;
    overflow: hidden;
    animation: revealIn 0.6s ease-out;
}

@keyframes revealIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.reveal-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.reveal-area h2 {
    text-align: center;
    color: var(--gold);
    letter-spacing: 4px;
    margin-bottom: 12px;
    font-size: 24px;
    text-shadow: 0 0 20px rgba(240, 192, 64, 0.5);
}

.reveal-summary {
    text-align: center;
    color: var(--text-dim);
    margin-bottom: 24px;
    font-size: 14px;
    letter-spacing: 2px;
}

.reveal-summary b {
    color: var(--gold);
    font-size: 17px;
    margin: 0 4px;
}

.reveal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}

.reveal-card {
    background: linear-gradient(135deg, var(--bg-2), var(--bg-3));
    padding: 16px 14px;
    border-radius: 12px;
    text-align: center;
    border: 1.5px solid rgba(61, 220, 132, 0.35);
    transition: transform 0.2s;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

.reveal-card:hover { transform: translateY(-3px); }

.reveal-card.dead {
    border-color: rgba(233, 69, 96, 0.5);
    background: linear-gradient(135deg, #2a1a24, #1e1420);
    opacity: 0.85;
}

.reveal-pid {
    color: #ccc;
    font-size: 13px;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.reveal-role {
    color: var(--gold);
    font-size: 20px;
    font-weight: 900;
    letter-spacing: 3px;
    margin-bottom: 10px;
    text-shadow: 0 0 12px rgba(240, 192, 64, 0.4);
}

.reveal-status {
    font-size: 12px;
}

.status-alive {
    color: var(--green);
    background: rgba(61, 220, 132, 0.18);
    padding: 3px 12px;
    border-radius: 6px;
    font-weight: bold;
    letter-spacing: 1px;
}

.status-dead {
    color: var(--red);
    background: rgba(233, 69, 96, 0.18);
    padding: 3px 12px;
    border-radius: 6px;
    font-weight: bold;
    letter-spacing: 1px;
}

.reveal-actions {
    text-align: center;
    margin-top: 26px;
}

.btn-home {
    width: auto;
    padding: 12px 36px;
    font-size: 15px;
    letter-spacing: 2px;
    background: linear-gradient(135deg, var(--gold), #d4a020);
    color: #000;
    border-radius: 10px;
    font-weight: bold;
}

.btn-home:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(240, 192, 64, 0.5);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: linear-gradient(135deg, var(--gold), #d4a020);
    color: #000;
    padding: 12px 26px;
    border-radius: 10px;
    font-weight: bold;
    letter-spacing: 1px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity 0.3s, transform 0.3s;
    z-index: 9999;
    pointer-events: none;
}

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

/* 响应式 */
@media (max-width: 640px) {
    .logo { font-size: 32px; letter-spacing: 8px; }
    .hero-icon { font-size: 52px; }
    .brand { font-size: 18px; letter-spacing: 2px; }
    .topbar { padding: 12px 16px; flex-wrap: wrap; gap: 10px; }
    .host-prompt { font-size: 17px; padding: 24px 16px; letter-spacing: 2px; }
    .room-badge { font-size: 12px; padding: 5px 10px; }
    .room-id { font-size: 14px; }
    .action-area button { padding: 10px 16px; font-size: 13px; }
}

/* ===== 音乐按钮 ===== */
.music-btn {
    width: 38px;
    height: 38px;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2a3c70, #1c4a82);
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    border: 1px solid rgba(240, 192, 64, 0.25);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: transform 0.2s, box-shadow 0.2s;
}

.music-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 18px rgba(240, 192, 64, 0.4);
}

.music-btn #music-icon {
    display: inline-block;
    line-height: 1;
}

.music-btn #music-icon.rotating {
    animation: musicSpin 3s linear infinite;
}

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

/* 移动端适配 */
@media (max-width: 640px) {
    .music-btn {
        width: 34px;
        height: 34px;
        font-size: 16px;
    }
}

/* ===== 侧边栏 ===== */
.menu-toggle {
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 1001;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 12px;
    background: rgba(30, 30, 60, 0.85);
    backdrop-filter: blur(8px);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    transition: background 0.2s;
}
.menu-toggle:hover { background: rgba(60, 60, 110, 0.95); }
.menu-toggle span {
    display: block;
    width: 22px;
    height: 2.5px;
    border-radius: 2px;
    background: #fff;
}
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s, visibility 0.25s;
    z-index: 1000;
}
.sidebar-overlay.show { opacity: 1; visibility: visible; }
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 240px;
    background: rgba(20, 20, 40, 0.98);
    backdrop-filter: blur(12px);
    transform: translateX(-100%);
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1002;
    display: flex;
    flex-direction: column;
    padding: 70px 16px 20px;
    box-sizing: border-box;
}
.sidebar.open { transform: translateX(0); }
.sidebar-header {
    color: #fff;
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 24px;
    padding-left: 8px;
}
.sidebar-nav { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.sidebar-btn {
    width: 100%;
    padding: 12px 16px;
    border: none;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    color: #eee;
    font-size: 1rem;
    text-align: left;
    cursor: pointer;
    transition: background 0.2s;
}
.sidebar-btn:hover { background: rgba(255, 255, 255, 0.18); }
.sidebar-footer { margin-top: 16px; }
.sidebar-back { background: rgba(255, 100, 100, 0.2); }
.sidebar-back:hover { background: rgba(255, 100, 100, 0.35); }

/* ===== 概览 ===== */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 24px;
}
.overview-card {
    background: rgba(30, 30, 60, 0.7);
    border-radius: 14px;
    padding: 24px 16px;
    text-align: center;
}
.overview-num { font-size: 2rem; font-weight: bold; color: #fff; }
.overview-num.win { color: #4ade80; }
.overview-num.lose { color: #f87171; }
.overview-num.today { color: #60a5fa; }
.overview-label { margin-top: 6px; color: #aaa; font-size: 0.9rem; }

/* ===== 大厅 ===== */
.lobby-summary {
    margin: 20px 0;
    padding: 12px 16px;
    background: rgba(30, 30, 60, 0.7);
    border-radius: 10px;
    color: #ddd;
    font-size: 0.95rem;
}
.lobby-list { display: flex; flex-direction: column; gap: 10px; }
.lobby-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    background: rgba(30, 30, 60, 0.7);
    border-radius: 12px;
}
.lobby-room-id { font-size: 1.15rem; font-weight: bold; color: #fff; letter-spacing: 2px; }
.lobby-item.clickable .lobby-room-id { cursor: pointer; }
.lobby-item.clickable .lobby-room-id:hover { color: #60a5fa; text-decoration: underline; }
.lobby-item.locked { opacity: 0.7; }
.lobby-status { font-size: 0.85rem; padding: 4px 10px; border-radius: 20px; }
.lobby-status.idle { background: rgba(74, 222, 128, 0.2); color: #4ade80; }
.lobby-status.playing { background: rgba(248, 113, 113, 0.2); color: #f87171; }
.lobby-empty { text-align: center; color: #888; padding: 40px 0; }
.lobby-tip { margin-top: 24px; text-align: center; color: #888; font-size: 0.85rem; }

/* ===== 踢人按钮 ===== */
.player-card { position: relative; }
.kick-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 80, 80, 0.85);
    color: #fff;
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}
.kick-btn:hover { background: rgba(255, 30, 30, 1); }
.btn-secondary {
    background: rgba(255, 255, 255, 0.12) !important;
    color: #eee !important;
}