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

:root, [data-theme="lavender"] {
    /* 🌸 梦幻薰衣草 · 少女甜美配色 */
    --primary: #b794f6;
    --primary-light: #d6bcfa;
    --primary-deep: #9f7aea;
    --pink: #f9a8d4;
    --pink-soft: #fbcfe8;
    --bg: #fbf6ff;
    --bg-card: #ffffff;
    --bg-soft: #f6edff;
    --text: #6b5b73;
    --text-muted: #b3a4bf;
    --accent: #f472b6;
    --user-bubble: linear-gradient(135deg, #d6bcfa, #f9a8d4);
    --ai-bubble: #fdf2ff;
    --border: rgba(183, 148, 246, 0.22);
    --shadow-soft: 0 8px 24px rgba(183, 148, 246, 0.18);
    --radius: 24px;
    --font-cute: "Comic Sans MS", "Yuanti SC", "圆体-简", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, sans-serif;
    --body-bg: radial-gradient(circle at 15% 20%, #fbe4f5 0%, transparent 45%),
                radial-gradient(circle at 85% 15%, #e6dbff 0%, transparent 45%),
                radial-gradient(circle at 50% 100%, #ffeaf6 0%, transparent 55%),
                linear-gradient(160deg, #fbf6ff 0%, #fdeffb 100%);
    --floaties: '💕,🌸,✨,💗,🦋,🌷,⭐,🩷,🐰,🌺';
    --header-gradient: linear-gradient(120deg, #b794f6 0%, #f472b6 55%, #f9a8d4 100%);
    --scrollbar-thumb: var(--pink-soft);
    --scrollbar-hover: var(--pink);
}

[data-theme="gothic"] {
    /* 🦇 哥特暗夜 · 暗黑血色 */
    --primary: #8b5cf6;
    --primary-light: #6d28d9;
    --primary-deep: #a78bfa;
    --pink: #dc2626;
    --pink-soft: #7f1d1d;
    --bg: #0f0a1a;
    --bg-card: #1a1025;
    --bg-soft: #1f1530;
    --text: #e8dff0;
    --text-muted: #9b8ab0;
    --accent: #ef4444;
    --user-bubble: linear-gradient(135deg, #6d28d9, #dc2626);
    --ai-bubble: #1a1025;
    --border: rgba(139, 92, 246, 0.3);
    --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.5);
    --radius: 24px;
    --font-cute: "Cinzel", "Noto Serif SC", "Source Han Serif CN", "PingFang SC", serif;
    --body-bg: radial-gradient(circle at 20% 30%, #1a0520 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, #0d001a 0%, transparent 50%),
                radial-gradient(circle at 50% 90%, #1a0010 0%, transparent 50%),
                linear-gradient(160deg, #0a0510 0%, #0f0a1a 100%);
    --floaties: '🦇,🌑,💀,🕷️,🥀,⚰️,🔮,🕯️,🖤,☠️';
    --header-gradient: linear-gradient(120deg, #8b5cf6 0%, #dc2626 55%, #a78bfa 100%);
    --scrollbar-thumb: #6d28d9;
    --scrollbar-hover: #8b5cf6;
}

[data-theme="cyber"] {
    /* 🌃 赛博霓虹 · 朋克未来 */
    --primary: #06b6d4;
    --primary-light: #22d3ee;
    --primary-deep: #0891b2;
    --pink: #f0abfc;
    --pink-soft: #701a75;
    --bg: #0a0e1a;
    --bg-card: #111827;
    --bg-soft: #1e1b3a;
    --text: #e0f2fe;
    --text-muted: #7dd3fc;
    --accent: #f472b6;
    --user-bubble: linear-gradient(135deg, #06b6d4, #f0abfc);
    --ai-bubble: #111827;
    --border: rgba(6, 182, 212, 0.3);
    --shadow-soft: 0 8px 24px rgba(6, 182, 212, 0.2);
    --radius: 24px;
    --font-cute: "Orbitron", "SF Mono", "Fira Code", "PingFang SC", monospace;
    --body-bg: radial-gradient(circle at 10% 80%, #0c1a3a 0%, transparent 50%),
                radial-gradient(circle at 90% 10%, #1a0530 0%, transparent 50%),
                radial-gradient(circle at 50% 50%, #0a1628 0%, transparent 60%),
                linear-gradient(160deg, #0a0e1a 0%, #0f0520 100%);
    --floaties: '💎,⚡,🔷,💠,🌐,⬡,✦,◈,▲,◆';
    --header-gradient: linear-gradient(120deg, #06b6d4 0%, #f0abfc 55%, #22d3ee 100%);
    --scrollbar-thumb: #0891b2;
    --scrollbar-hover: #06b6d4;
}

[data-theme="forest"] {
    /* 🌿 森林精灵 · 自然治愈 */
    --primary: #10b981;
    --primary-light: #6ee7b7;
    --primary-deep: #059669;
    --pink: #fbbf24;
    --pink-soft: #d9f99d;
    --bg: #f0fdf4;
    --bg-card: #ffffff;
    --bg-soft: #ecfdf5;
    --text: #1f4a3a;
    --text-muted: #6b9080;
    --accent: #f59e0b;
    --user-bubble: linear-gradient(135deg, #6ee7b7, #a7f3d0);
    --ai-bubble: #f0fdf4;
    --border: rgba(16, 185, 129, 0.22);
    --shadow-soft: 0 8px 24px rgba(16, 185, 129, 0.15);
    --radius: 24px;
    --font-cute: "Yuanti SC", "圆体-简", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, sans-serif;
    --body-bg: radial-gradient(circle at 20% 30%, #d1fae5 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, #fef9c3 0%, transparent 40%),
                radial-gradient(circle at 50% 90%, #ecfdf5 0%, transparent 50%),
                linear-gradient(160deg, #f0fdf4 0%, #fefce8 100%);
    --floaties: '🌿,🍃,🌱,🦋,🌻,🍀,🌾,🐝,🌳,🍂';
    --header-gradient: linear-gradient(120deg, #10b981 0%, #f59e0b 55%, #6ee7b7 100%);
    --scrollbar-thumb: #6ee7b7;
    --scrollbar-hover: #10b981;
}

body {
    font-family: var(--font-cute);
    background: var(--body-bg);
    background-attachment: fixed;
    color: var(--text);
    min-height: 100vh;
    overflow: hidden;
    transition: background 0.4s, color 0.3s;
}

/* 🎈 背景飘落的小爱心 / 花瓣 */
.floaties {
    position: fixed;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}
.floaties span {
    position: absolute;
    top: -40px;
    font-size: 20px;
    opacity: 0.55;
    animation: floatDown linear infinite;
    will-change: transform;
}
@keyframes floatDown {
    0%   { transform: translateY(-40px) rotate(0deg); opacity: 0; }
    10%  { opacity: 0.6; }
    90%  { opacity: 0.6; }
    100% { transform: translateY(110vh) rotate(360deg); opacity: 0; }
}
.page, .upload-modal, .choice-modal, .upload-fab { position: relative; z-index: 1; }

/* ========== 游戏列表页 ========== */
.page { display: none; height: 100vh; }
.page.active { display: flex; flex-direction: column; }

#games-page {
    background: transparent;
}

.games-header {
    padding: 44px 20px 16px;
    text-align: center;
}

.games-header h1 {
    font-size: 30px;
    font-weight: 800;
    background: var(--header-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.games-header p {
    color: var(--text-muted);
    font-size: 14px;
}

.games-grid {
    flex: 1;
    overflow-y: auto;
    padding: 28px 32px 40px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 28px;
    align-content: start;
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
}

.game-card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 26px;
    padding: 36px 20px 28px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(.34,1.56,.64,1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 6px 18px rgba(183, 148, 246, 0.12);
}

.game-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-light), var(--pink));
    opacity: 0;
    transition: opacity 0.3s;
}

.game-card:hover {
    transform: translateY(-6px) rotate(-1deg);
    border-color: var(--pink);
    box-shadow: 0 14px 34px rgba(244, 114, 182, 0.25);
}

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

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

.game-icon {
    font-size: 40px;
    margin-bottom: 12px;
    display: block;
}

.game-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 16px;
    border: 3px solid var(--pink-soft);
    background: var(--bg-soft);
    box-shadow: 0 4px 12px rgba(244, 114, 182, 0.2);
}

.game-name {
    font-size: 15px;
    font-weight: 700;
    line-height: 1.4;
    word-break: break-word;
    color: var(--text);
}

.game-summary {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 8px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 游戏卡上的「有存档」角标 */
.game-save-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 14px;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--pink), var(--accent));
    box-shadow: 0 3px 8px rgba(244, 114, 182, 0.35);
}

.games-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    grid-column: 1 / -1;
}

.games-empty .empty-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

/* ========== 进入游戏选择弹窗 ========== */
.choice-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(183, 148, 246, 0.28);
    backdrop-filter: blur(4px);
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.choice-modal.show { display: flex; }

.choice-box {
    background: var(--bg-card);
    border: 2px solid var(--pink-soft);
    border-radius: 28px;
    padding: 28px 24px 24px;
    max-width: 420px;
    width: 100%;
    animation: popIn 0.3s cubic-bezier(.34,1.56,.64,1);
    box-shadow: 0 18px 50px rgba(183, 148, 246, 0.35);
}

@keyframes popIn {
    from { opacity: 0; transform: scale(0.85) translateY(10px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

.choice-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
}

.choice-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--bg-soft);
    border: 3px solid var(--pink-soft);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.choice-head-text { min-width: 0; }

.choice-title {
    font-size: 18px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.choice-subtitle {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 2px;
}

.choice-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.choice-option {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--bg-soft);
    border: 2px solid var(--border);
    border-radius: 20px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.choice-option:hover {
    border-color: var(--pink);
    background: #fdeef8;
    transform: translateX(2px);
}

.choice-option .opt-icon {
    font-size: 26px;
    flex-shrink: 0;
}

.choice-option .opt-body { flex: 1; min-width: 0; }

.choice-option .opt-name {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 3px;
}

.choice-option .opt-desc {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.choice-option.continue { border-color: var(--primary-light); background: #f6edff; }

.choice-meta {
    font-size: 11px;
    color: var(--text-muted);
    opacity: 0.8;
    margin-top: 4px;
    display: flex;
    gap: 12px;
}

.choice-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
}

.choice-cancel {
    padding: 8px 18px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    border-radius: 18px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}

.choice-cancel:hover { border-color: var(--text); color: var(--text); }

.choice-delete {
    padding: 8px 16px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-muted);
    border-radius: 18px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}

.choice-delete:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* 多存档：存档列表区域 */
.saves-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 46vh;
    overflow-y: auto;
    margin-bottom: 4px;
}

/* 单条存档：整体可点继续，右侧删除按钮独立 */
.save-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #f6edff;
    border: 2px solid var(--primary-light);
    border-radius: 20px;
    padding: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.save-item:hover {
    border-color: var(--pink);
    background: #fdeef8;
    transform: translateX(2px);
}

.save-item .opt-icon { font-size: 24px; flex-shrink: 0; }
.save-item .opt-body { flex: 1; min-width: 0; }
.save-item .opt-name { font-size: 15px; font-weight: 600; margin-bottom: 3px; }
.save-item .opt-desc {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 单条存档上的删除按钮 */
.save-del {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 16px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
}

.save-del:hover { background: #ffe3ef; color: var(--accent); }

/* 新建存档按钮（达上限时禁用） */
.save-new-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    border: 2px dashed var(--primary-light);
    background: transparent;
    color: var(--primary-deep);
    border-radius: 20px;
    padding: 14px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    transition: all 0.2s;
}

.save-new-btn:hover:not(:disabled) {
    border-color: var(--pink);
    background: #fdeef8;
    color: var(--accent);
}

.save-new-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    border-style: solid;
}

.saves-empty-tip {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    padding: 6px 0 2px;
}

/* ========== 聊天页 ========== */
#chat-page {
    background: transparent;
    position: relative;
}

.chat-header {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: color-mix(in srgb, var(--bg-card) 85%, transparent);
    backdrop-filter: blur(8px);
    border-bottom: 2px solid var(--border);
    gap: 12px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.chat-header-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.chat-back {
    width: 38px;
    height: 38px;
    border: none;
    background: var(--bg-soft);
    border-radius: 50%;
    color: var(--primary-deep);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.chat-back:hover {
    background: var(--pink-soft);
    transform: scale(1.08);
}

.chat-title {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-reset {
    padding: 6px 12px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    border-radius: 16px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.chat-reset:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.message-row {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    animation: fadeIn 0.3s ease;
}

.message-row.user {
    flex-direction: row-reverse;
}

.message-row.system-msg {
    justify-content: center;
}

.msg-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    margin-top: 2px;
}

.msg-avatar.user-avatar {
    background: var(--user-bubble);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: white;
    box-shadow: 0 3px 8px rgba(244, 114, 182, 0.3);
}

.message {
    max-width: 75%;
    padding: 12px 16px;
    border-radius: 22px;
    font-size: 15px;
    line-height: 1.6;
    word-break: break-word;
    white-space: pre-wrap;
    box-shadow: 0 4px 12px rgba(183, 148, 246, 0.14);
}
.message.assistant {
    white-space: normal;
    max-width: 96%;
    width: 96%;
    padding: 18px 24px;
    border-radius: 18px;
    border-bottom-left-radius: 6px;
    background: var(--ai-bubble);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}
.message.assistant iframe {
    width: 100%;
    border: none;
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.message.user {
    background: var(--user-bubble);
    color: #fff;
    border-bottom-right-radius: 6px;
}

.message.system-msg {
    background: transparent;
    color: var(--text-muted);
    font-size: 13px;
    padding: 8px;
    max-width: 100%;
}

.typing-indicator {
    align-self: flex-start;
    padding: 12px 16px;
    background: var(--ai-bubble);
    border: 1.5px solid var(--border);
    border-radius: 22px;
    border-bottom-left-radius: 6px;
    display: none;
}

.typing-indicator.show { display: block; }

.typing-indicator span {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--pink);
    border-radius: 50%;
    margin: 0 2px;
    animation: bounce 1.4s infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-6px); }
}

.chat-input-area {
    display: flex;
    gap: 10px;
    padding: 12px 16px;
    background: color-mix(in srgb, var(--bg-card) 85%, transparent);
    backdrop-filter: blur(8px);
    border-top: 2px solid var(--border);
}

.chat-input {
    flex: 1;
    padding: 12px 18px;
    border: 2px solid var(--border);
    background: var(--bg-soft);
    border-radius: 24px;
    color: var(--text);
    font-size: 15px;
    outline: none;
    transition: all 0.2s;
    font-family: var(--font-cute);
}

.chat-input:focus {
    border-color: var(--pink);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(249, 168, 212, 0.18);
}

.chat-input::placeholder {
    color: var(--text-muted);
}

.chat-send {
    width: 46px;
    height: 46px;
    border: none;
    background: linear-gradient(135deg, var(--primary-light), var(--pink));
    border-radius: 50%;
    color: white;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(244, 114, 182, 0.35);
}

.chat-send:hover {
    transform: scale(1.1) rotate(8deg);
    box-shadow: 0 6px 16px rgba(244, 114, 182, 0.5);
}

.chat-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ========== 回到底部浮动按钮 ========== */
.scroll-bottom-btn {
    position: absolute;
    bottom: 80px;
    right: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--pink-soft);
    color: var(--primary-deep);
    font-size: 18px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(183, 148, 246, 0.3);
    z-index: 20;
    transition: all 0.2s;
    animation: fadeIn 0.2s ease;
}
.scroll-bottom-btn.show { display: flex; }
.scroll-bottom-btn:hover {
    transform: scale(1.1);
    border-color: var(--pink);
    box-shadow: 0 6px 18px rgba(244, 114, 182, 0.4);
}
.scroll-bottom-btn .new-msg-dot {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
    border: 2px solid #fff;
}

/* ========== 快捷操作 ========== */
.quick-actions {
    display: flex;
    gap: 8px;
    padding: 10px 16px;
    overflow-x: auto;
    background: color-mix(in srgb, var(--bg-card) 60%, transparent);
}

.quick-btn {
    padding: 7px 16px;
    border: 2px solid var(--border);
    background: var(--bg-card);
    color: var(--primary-deep);
    border-radius: 18px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
    font-family: var(--font-cute);
}

.quick-btn:hover {
    border-color: var(--pink);
    background: var(--pink-soft);
    color: var(--accent);
    transform: translateY(-2px);
}

/* ========== 自定义确认弹窗 ========== */
.confirm-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(183, 148, 246, 0.28);
    backdrop-filter: blur(4px);
    z-index: 300;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.confirm-modal.show { display: flex; }
.confirm-box {
    background: var(--bg-card);
    border: 2px solid var(--pink-soft);
    border-radius: 24px;
    padding: 28px 24px 22px;
    max-width: 340px;
    width: 100%;
    text-align: center;
    box-shadow: 0 18px 50px rgba(183, 148, 246, 0.35);
    animation: popIn 0.3s cubic-bezier(.34,1.56,.64,1);
}
.confirm-box .confirm-icon {
    font-size: 42px;
    margin-bottom: 12px;
}
.confirm-box .confirm-title {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
}
.confirm-box .confirm-desc {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 22px;
    line-height: 1.6;
}
.confirm-box .confirm-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}
.confirm-box .confirm-btn {
    padding: 10px 24px;
    border-radius: 18px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font-cute);
    border: none;
}
.confirm-box .confirm-btn.cancel {
    background: var(--bg-soft);
    color: var(--text-muted);
    border: 1px solid var(--border);
}
.confirm-box .confirm-btn.cancel:hover {
    border-color: var(--text);
    color: var(--text);
}
.confirm-box .confirm-btn.danger {
    background: linear-gradient(135deg, var(--pink), var(--accent));
    color: #fff;
    box-shadow: 0 4px 12px rgba(244, 114, 182, 0.35);
}
.confirm-box .confirm-btn.danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(244, 114, 182, 0.5);
}

/* ========== 加载态 ========== */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--text-muted);
    grid-column: 1 / -1;
}

.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--pink-soft);
    border-top-color: var(--pink);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 12px;
}

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

/* ========== 响应式 ========== */
@media (max-width: 480px) {
    .games-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        padding: 16px 16px 32px;
    }
    .game-card { padding: 26px 12px 20px; }
    .game-avatar { width: 64px; height: 64px; }
    .games-header { padding: 30px 16px 16px; }
    .games-header h1 { font-size: 24px; }
}

/* ========== 上传相关 ========== */
.upload-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light), var(--pink), var(--accent));
    border: 3px solid #fff;
    color: white;
    font-size: 30px;
    cursor: pointer;
    box-shadow: 0 6px 22px rgba(244, 114, 182, 0.5);
    transition: all 0.3s cubic-bezier(.34,1.56,.64,1);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-fab:hover {
    transform: scale(1.15) rotate(90deg);
    box-shadow: 0 8px 30px rgba(244, 114, 182, 0.7);
}

.upload-fab:active {
    transform: scale(0.95);
}

.upload-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(183, 148, 246, 0.28);
    backdrop-filter: blur(4px);
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.upload-modal.show {
    display: flex;
}

.upload-box {
    background: var(--bg-card);
    border: 2px solid var(--pink-soft);
    border-radius: 28px;
    padding: 32px;
    max-width: 400px;
    width: 100%;
    text-align: center;
    box-shadow: 0 18px 50px rgba(183, 148, 246, 0.35);
    animation: popIn 0.3s cubic-bezier(.34,1.56,.64,1);
}

.upload-box h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.upload-box p {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 24px;
}

.upload-dropzone {
    border: 2.5px dashed var(--primary-light);
    border-radius: 20px;
    padding: 40px 20px;
    cursor: pointer;
    transition: all 0.3s;
    margin-bottom: 16px;
    background: var(--bg-soft);
}

.upload-dropzone:hover,
.upload-dropzone.dragover {
    border-color: var(--pink);
    background: #fdeef8;
}

.upload-dropzone .drop-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.upload-dropzone .drop-text {
    color: var(--text-muted);
    font-size: 14px;
}

.upload-dropzone .drop-text em {
    color: var(--primary-light);
    font-style: normal;
    text-decoration: underline;
}

.upload-progress {
    display: none;
    margin-top: 16px;
}

.upload-progress.show {
    display: block;
}

.progress-bar {
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 3px;
    transition: width 0.3s;
    width: 0%;
}

.upload-status {
    font-size: 13px;
    color: var(--text-muted);
}

.upload-status.success {
    color: #2ecc71;
}

.upload-status.error {
    color: var(--accent);
}

.upload-close {
    margin-top: 20px;
    padding: 10px 24px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.upload-close:hover {
    border-color: var(--text);
    color: var(--text);
}

/* 滚动条美化 */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-hover); }

/* ========== 主题切换面板 ========== */
.theme-toggle-btn {
    position: fixed;
    top: 16px;
    right: 16px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--border);
    color: var(--primary-deep);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-soft);
    z-index: 150;
    transition: all 0.3s;
}
.theme-toggle-btn:hover {
    transform: rotate(30deg) scale(1.1);
    border-color: var(--pink);
}
/* 首次提示脉冲动画 */
.theme-toggle-btn.hint-pulse {
    animation: themePulse 2s ease-in-out infinite;
    border-color: var(--pink);
    box-shadow: 0 0 0 0 rgba(249, 168, 212, 0.5);
}
@keyframes themePulse {
    0%   { box-shadow: 0 0 0 0 rgba(249, 168, 212, 0.5); }
    70%  { box-shadow: 0 0 0 12px rgba(249, 168, 212, 0); }
    100% { box-shadow: 0 0 0 0 rgba(249, 168, 212, 0); }
}
/* 提示气泡 */
.theme-hint-tooltip {
    position: fixed;
    top: 62px;
    right: 16px;
    background: var(--primary-deep);
    color: #fff;
    font-size: 12px;
    padding: 6px 12px;
    border-radius: 8px;
    white-space: nowrap;
    z-index: 160;
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 0.3s, transform 0.3s;
    pointer-events: none;
}
.theme-hint-tooltip.show {
    opacity: 1;
    transform: translateY(0);
}
.theme-hint-tooltip::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 16px;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid var(--primary-deep);
}

.sound-panel {
    display: none;
    position: fixed;
    top: 118px;
    right: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 14px 0 6px;
    box-shadow: var(--shadow-soft);
    z-index: 200;
    min-width: 180px;
}
.sound-panel.show { display: block; }

.theme-panel {
    display: none;
    position: fixed;
    top: 68px;
    right: 16px;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 20px;
    padding: 20px;
    z-index: 150;
    box-shadow: var(--shadow-soft);
    animation: popIn 0.25s cubic-bezier(.34,1.56,.64,1);
    min-width: 220px;
}
.theme-panel.show { display: block; }

.theme-panel-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 14px;
    text-align: center;
}

.theme-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.theme-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 12px 8px;
    border: 2px solid var(--border);
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg-soft);
}
.theme-option:hover {
    border-color: var(--pink);
    transform: translateY(-2px);
}
.theme-option.active {
    border-color: var(--primary);
    background: var(--bg-card);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.theme-option .theme-preview {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid rgba(0,0,0,0.1);
}
.theme-option .theme-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text);
    text-align: center;
    line-height: 1.3;
}

/* 结局达成弹窗 */
.ending-toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 28px;
    background: linear-gradient(135deg, #ffd700, #ffaa00);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(255, 170, 0, 0.4), 0 0 60px rgba(255, 215, 0, 0.2);
    opacity: 0;
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.4s ease;
    pointer-events: none;
}
.ending-toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}
.ending-toast-icon {
    font-size: 32px;
    animation: trophy-bounce 0.6s ease 0.3s both;
}
@keyframes trophy-bounce {
    0% { transform: scale(0); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}
.ending-toast-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.ending-toast-label {
    font-size: 11px;
    font-weight: 600;
    color: rgba(120, 60, 0, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.ending-toast-title {
    font-size: 16px;
    font-weight: 700;
    color: #5a2d00;
}

/* 游戏卡片结局角标 */
.game-endings-badge {
    position: absolute;
    bottom: 12px;
    right: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.9), rgba(255, 170, 0, 0.9));
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    color: #5a2d00;
    backdrop-filter: blur(4px);
}