:root {
    color-scheme: dark;

    --bg: #0b0f19;
    --bg2: #131825;
    --bg3: #0e1424;
    --card: rgba(255,255,255,.03);
    --card2: rgba(255,255,255,.055);
    --card-solid: #151b29;
    --card-solid2: #1c2335;
    --border: rgba(255,255,255,.06);
    --border-hover: rgba(255,255,255,.12);
    --border-solid: #2a3040;

    --primary: #4f8cff;
    --primary-hover: #6ca0ff;
    --primary-light: rgba(79,140,255,.12);
    --secondary: #6c5ce7;
    --secondary-light: rgba(108,92,231,.12);
    --tertiary: #00e5a0;
    --tertiary-light: rgba(0,229,160,.12);
    --accent: #00e5a0;
    --accent-light: rgba(0,229,160,.12);
    --danger: #ef4444;
    --danger-hover: #f87171;
    --danger-light: rgba(239,68,68,.12);
    --warn: #f59e0b;
    --warn-light: rgba(245,158,11,.12);
    --success: #10b981;
    --success-light: rgba(16,185,129,.12);

    --text: #e8eaed;
    --text2: #9aa0b0;
    --text3: #5f6570;
    --text-invert: #0b0f19;

    --radius: 14px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --shadow: 0 8px 32px rgba(0,0,0,.35);
}

html[data-theme="light"] {
    color-scheme: light;

    --bg: #f4f6f9;
    --bg2: #eef1f6;
    --bg3: #e4e8ef;
    --card: rgba(255,255,255,.85);
    --card2: #ffffff;
    --card-solid: #ffffff;
    --card-solid2: #f8fafc;
    --border: rgba(0,0,0,.08);
    --border-hover: rgba(0,0,0,.14);
    --border-solid: #e2e5ec;

    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --primary-light: rgba(59,130,246,.10);
    --secondary: #7c3aed;
    --secondary-light: rgba(124,58,237,.12);
    --tertiary: #10b981;
    --tertiary-light: rgba(16,185,129,.12);
    --accent: #10b981;
    --accent-light: rgba(16,185,129,.10);
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --danger-light: rgba(239,68,68,.10);
    --warn: #f59e0b;
    --warn-light: rgba(245,158,11,.10);
    --success: #10b981;
    --success-light: rgba(16,185,129,.10);

    --text: #1f2937;
    --text2: #4b5563;
    --text3: #9ca3af;
    --text-invert: #fff;

    --radius: 14px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --shadow: 0 4px 20px rgba(0,0,0,.08);
}

/* 兼容别名（部分老页面使用） */
:root, html[data-theme="light"] {
    --primary-dark: var(--primary-hover);
    --border2: var(--border-hover);
    --card-hover: var(--card2);
    --card-bg: var(--card);
    --warning: var(--warn);
    --green: var(--accent);
    --orange: var(--warn);
    --primary2: var(--secondary);
}

/* 同步浮动工具 / 原生表单日期选择器外观 */
html[data-theme="dark"] .ctrls input[type="date"],
html:not([data-theme="light"]) .ctrls input[type="date"] { color-scheme: dark; }
html[data-theme="light"] .ctrls input[type="date"] { color-scheme: light; }

/* ===== 统一滚动条 ===== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-solid); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* ===== 全局基础 ===== */
html, body { scroll-behavior: smooth; }
body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    transition: background-color .25s ease, color .25s ease;
}

/* ===== 统一头部组件 ===== */
.uni-header {
    height: 60px;
    background: var(--card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
    gap: 16px;
}
.uni-header-left { display: flex; align-items: center; gap: 12px; }
.uni-header-logo {
    width: 34px; height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 18px;
    box-shadow: 0 4px 12px var(--primary-light);
}
.uni-header-title { font-size: 16px; font-weight: 700; letter-spacing: .3px; color: var(--text); }
.uni-header-right { display: flex; align-items: center; gap: 12px; }

.theme-toggle, .uni-header .theme-toggle {
    width: 36px; height: 36px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--card2);
    color: var(--text2);
    cursor: pointer;
    display: inline-flex; align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all .2s;
    flex-shrink: 0;
}
.theme-toggle:hover, .uni-header .theme-toggle:hover {
    border-color: var(--border-hover);
    color: var(--primary);
    transform: translateY(-1px);
}

/* ===== 统一按钮系统 ===== */
.u-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 9px 18px; border-radius: var(--radius-sm); font-size: 13px;
    cursor: pointer; border: none; transition: all .2s;
    font-weight: 600; text-decoration: none; line-height: 1;
    white-space: nowrap; font-family: inherit;
}
.u-btn:disabled { opacity: .45; cursor: not-allowed; transform: none !important; }
.u-btn-sm { padding: 7px 14px; font-size: 12px; border-radius: var(--radius-xs); }
.u-btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: #fff;
    box-shadow: 0 2px 8px var(--primary-light);
}
.u-btn-primary:hover { box-shadow: 0 4px 16px var(--primary-light); transform: translateY(-1px); }
.u-btn-primary:active { transform: translateY(0); }

.u-btn-outline {
    background: transparent; color: var(--text2);
    border: 1px solid var(--border);
}
.u-btn-outline:hover { border-color: var(--border-hover); color: var(--text); background: var(--card2); }

.u-btn-danger {
    background: var(--danger-light); color: var(--danger);
    border: 1px solid var(--danger-light);
}
.u-btn-danger:hover { background: rgba(239,68,68,.18); border-color: var(--danger); }

/* ===== 统一容器 ===== */
.uni-container { max-width: 1280px; margin: 0 auto; padding: 24px 20px 20px; }
.uni-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

/* ===== 统一 Footer ===== */
.uni-footer {
    text-align: center; padding: 32px 20px 40px;
    color: var(--text3); font-size: 12px;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

/* ===== 统一 Toast ===== */
.toast-container {
    position: fixed; top: 24px; right: 24px;
    z-index: 9999; display: flex; flex-direction: column; gap: 8px;
    pointer-events: none;
}
.toast {
    padding: 12px 20px; border-radius: var(--radius-sm);
    font-size: 13px; font-weight: 500; color: #fff;
    animation: toastIn .3s ease;
    pointer-events: auto; max-width: 380px;
    box-shadow: var(--shadow);
    display: flex; align-items: center; gap: 8px;
    backdrop-filter: blur(12px);
}
.toast-ok { background: rgba(16,185,129,.9); }
.toast-err { background: rgba(239,68,68,.9); }
.toast-warn { background: rgba(245,158,11,.95); color: #000; }
@keyframes toastIn { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; transform: translateX(40px); } }

/* ===== 动画 ===== */
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .uni-header { padding: 0 14px; height: 52px; }
    .uni-header-title { font-size: 14px; }
    .toast-container { left: 16px; right: 16px; }
    .toast { max-width: none; }
}