/* ============================================================
   全局变量
   ============================================================ */
:root {
    --primary: #4ade80;
    --primary-dim: rgba(74, 222, 128, 0.15);
    --primary-mid: rgba(74, 222, 128, 0.3);
    --bg-glass: rgba(30, 41, 59, 0.75);
    --bg-hover: rgba(255, 255, 255, 0.1);
    --bg-base: #1e293b;
    --border: rgba(255, 255, 255, 0.15);
    --text: #f8fafc;
    --text-sub: #94a3b8;
    --danger: #ef4444;
    --radius: 16px;
    --gap: 16px;

    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

html, body {
    overscroll-behavior: none;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--bg-base);
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text);
    padding: calc(20px + var(--safe-top)) 16px calc(20px + var(--safe-bottom));
    position: relative;
    isolation: isolate;
}

/* 背景图用伪元素固定，iOS Safari 更稳 */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    background: url('https://images.unsplash.com/photo-1618005182384-a83a8bd57fbe?q=80&w=2560&auto=format&fit=crop') no-repeat center center;
    background-size: cover;
    pointer-events: none;
}

/* ============================================================
   iframe 内页面专用：去掉重复背景和内边距
   ============================================================ */
body.embedded {
    background: transparent;
    padding: 0;
    height: 100vh;
    height: 100dvh;
    min-height: 100vh;
    min-height: 100dvh;
    overflow: hidden;
}
body.embedded::before { display: none; }

/* ============================================================
   主容器
   ============================================================ */
.container {
    width: 100%;
    max-width: 1000px;
    display: flex;
    flex-direction: column;
    gap: var(--gap);
}

/* ============================================================
   顶部导航
   ============================================================ */
.game-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
    gap: 8px;
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 12px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    flex-shrink: 0;
}

.nav-btn {
    background: transparent;
    color: var(--text-sub);
    border: none;
    padding: 10px 8px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 1.2;
    font-family: inherit;
}
.nav-btn:hover { color: var(--text); background: var(--bg-hover); }
.nav-btn.active {
    background: var(--primary);
    color: #000;
    box-shadow: 0 0 20px rgba(74, 222, 128, 0.4);
}
.nav-btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* ============================================================
   游戏容器
   桌面：固定高度 clamp
   移动：由 media query 用 flex: 1 接管（见下面）
   ============================================================ */
.game-content {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    position: relative;
    height: 620px;
    height: clamp(420px, calc(100vh - 220px), 680px);
    height: clamp(420px, calc(100dvh - 220px), 680px);
    min-height: 420px;
}

.game-content iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* ============================================================
   iframe 内部通用布局
   ============================================================ */
.game-inner {
    width: 100%;
    min-height: 100%;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 16px;
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    color: var(--text);
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

/* ============================================================
   按钮
   ============================================================ */
.btn {
    background: var(--primary);
    color: #000;
    border: none;
    padding: 10px 18px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    min-height: 44px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1.2;
}
.btn:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 4px 15px rgba(74, 222, 128, 0.4); }
.btn:active:not(:disabled) { transform: translateY(0); }
.btn:disabled { background: #475569; color: #94a3b8; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn.ghost:hover:not(:disabled) { background: var(--primary-dim); box-shadow: none; }
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* ============================================================
   卡片
   ============================================================ */
.card {
    background: rgba(0, 0, 0, 0.3);
    padding: 14px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}
.card-title { font-size: 12px; color: var(--text-sub); margin-bottom: 8px; font-weight: 500; letter-spacing: 0.5px; }
.card-value { font-size: 22px; font-weight: 700; color: var(--primary); }

/* ============================================================
   模态弹窗
   ============================================================ */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 100;
    padding: 20px;
    animation: fadeIn 0.2s ease;
}
.modal.show { display: flex; }
.modal-box {
    background: rgba(30, 41, 59, 0.98);
    padding: 32px 40px;
    border-radius: 20px;
    border: 1px solid var(--border);
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    max-width: 90vw;
    width: 400px;
}
.modal-box h2 { font-size: 22px; margin-bottom: 12px; color: var(--primary); }
.modal-box p { font-size: 15px; color: var(--text-sub); margin-bottom: 20px; }
.modal-box .big-value { font-size: 36px; font-weight: 700; color: #fff; display: block; margin: 12px 0 20px; }
.modal-actions { display: flex; gap: 12px; justify-content: center; }
.modal-actions .btn { flex: 1; }

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.98); }
    to { opacity: 1; transform: scale(1); }
}

/* ============================================================
   Toast
   ============================================================ */
.toast-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
    max-width: 90vw;
}
.toast {
    background: rgba(30, 41, 59, 0.98);
    color: var(--text);
    padding: 12px 20px;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    font-size: 14px;
    font-weight: 600;
    min-width: 180px;
    text-align: center;
    animation: toastIn 0.25s ease;
    pointer-events: auto;
}
.toast.success { border-color: var(--primary); color: var(--primary); }
.toast.error { border-color: var(--danger); color: var(--danger); }
.toast.warn { border-color: #fbbf24; color: #fbbf24; }

@keyframes toastIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   响应式：平板 (768 - 1023)
   ============================================================ */
@media (max-width: 1023px) {
    .game-nav {
        grid-template-columns: repeat(3, 1fr);
    }
    .nav-btn { font-size: 12px; padding: 8px 6px; }
}

/* ============================================================
   响应式：手机 (≤ 767px) —— 用 flex 自动填满剩余高度
   ============================================================ */
@media (max-width: 767px) {
    /* body 锁死视口高度，不产生整体滚动 */
    body {
        padding: calc(8px + var(--safe-top)) 8px calc(8px + var(--safe-bottom));
        height: 100vh;
        height: 100dvh;
        min-height: 100vh;
        min-height: 100dvh;
        overflow: hidden;
    }

    /* iframe 内：body 已经默认占了 100dvh，不需要再改 */
    body.embedded {
        padding: 0;
    }

    /* container 占满 body 剩余高度 */
    .container {
        flex: 1;
        min-height: 0;
        gap: 8px;
    }

    /* 导航：3 列，压缩高度 */
    .game-nav {
        grid-template-columns: repeat(3, 1fr);
        padding: 6px;
        gap: 4px;
        border-radius: 10px;
        flex-shrink: 0;
    }
    .nav-btn {
        font-size: 11px;
        padding: 6px 2px;
        min-height: 34px;
        border-radius: 6px;
        font-weight: 600;
        letter-spacing: -0.2px;
    }

    /* 关键：游戏区用 flex 自动占满剩余高度，不用 calc 估算 */
    .game-content {
        border-radius: 10px;
        flex: 1;
        min-height: 0;
        height: auto;
    }

    /* iframe 内布局：允许纵向滚动 */
    .game-inner {
        padding: 8px;
        align-items: stretch;
        min-height: 100%;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* 模态框 */
    .modal-box { padding: 24px 20px; width: 90vw; }
    .modal-box h2 { font-size: 20px; }
    .modal-box .big-value { font-size: 32px; }
    .modal-actions { flex-direction: column; }
    .modal-actions .btn { width: 100%; }

    .btn { font-size: 13px; padding: 10px 14px; }
    .card { padding: 10px; }
    .card-value { font-size: 20px; }
}

/* ============================================================
   响应式：超小屏手机 (≤ 380px)
   ============================================================ */
@media (max-width: 380px) {
    .nav-btn {
        font-size: 10px;
        min-height: 30px;
        padding: 4px 2px;
    }
    .game-nav {
        padding: 4px;
        gap: 3px;
    }
    .game-inner {
        padding: 6px;
    }
}

/* ============================================================
   横屏手机
   ============================================================ */
@media (max-width: 900px) and (orientation: landscape) {
    body {
        padding: calc(6px + var(--safe-top)) 10px calc(6px + var(--safe-bottom));
        height: 100vh;
        height: 100dvh;
        min-height: 100vh;
        min-height: 100dvh;
        overflow: hidden;
    }
    body.embedded { padding: 0; }

    .container {
        flex: 1;
        min-height: 0;
        gap: 6px;
    }

    /* 横屏时导航 9 列一行 */
    .game-nav {
        grid-template-columns: repeat(9, 1fr);
        padding: 4px;
        gap: 3px;
    }
    .nav-btn {
        font-size: 10px;
        min-height: 28px;
        padding: 3px 2px;
        border-radius: 5px;
    }

    .game-content {
        flex: 1;
        min-height: 0;
        height: auto;
        border-radius: 8px;
    }

    .game-inner {
        padding: 6px;
        min-height: 100%;
        overflow-y: auto;
    }
}

/* ============================================================
   工具类
   ============================================================ */
.hidden { display: none !important; }
.center { display: flex; align-items: center; justify-content: center; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}