/* =====================================================
   资金管理系统 - 白色+天蓝色高端主题 + H5全适配
   ===================================================== */

:root {
    --bg: #f5f7fa;
    --surface: #ffffff;
    --border: #e4e8ef;
    --border-light: #f0f2f6;
    --text: #1a1f2e;
    --text-secondary: #5a6277;
    --text-muted: #9098ab;
    --primary: #0ea5e9;
    --primary-hover: #0284c7;
    --primary-light: #f0f9ff;
    --primary-subtle: #e0f2fe;
    --primary-dark: #0369a1;
    --success: #10b981;
    --success-bg: #ecfdf5;
    --warning: #f59e0b;
    --warning-bg: #fffbeb;
    --danger: #ef4444;
    --danger-bg: #fef2f2;
    --info: #06b6d4;
    --info-bg: #ecfeff;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Microsoft YaHei', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.03);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.07);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.1);
    --sidebar-width: 240px;
}

*, ::before, ::after { box-sizing:border-box; margin:0; padding:0; }
html { font-size:16px; -webkit-font-smoothing:antialiased; }
body {
    font-family:var(--font-sans); background:var(--bg);
    color:var(--text); line-height:1.65; min-height:100vh;
}
a { color:var(--primary); text-decoration:none; }
a:hover { color:var(--primary-hover); }

/* Typography */
h1,h2,h3,h4 { font-weight:700; line-height:1.2; color:var(--text); letter-spacing:-0.01em; }
h1 { font-size:clamp(1.35rem,3vw,1.75rem); }
h2 { font-size:1.25rem; }
h3 { font-size:1.1rem; }
h4 { font-size:1rem; }
.text-muted { color:var(--text-muted); }
.text-success { color:var(--success); }
.text-warning { color:var(--warning); }
.text-danger { color:var(--danger); }
.text-primary { color:var(--primary); }
.text-sm { font-size:0.85rem; }
.text-center { text-align:center; }
.font-mono { font-family:var(--font-mono); }
.font-bold { font-weight:700; }
.font-semibold { font-weight:600; }

/* ========== Layout ========== */
.page-wrapper { display:flex; min-height:100vh; position:relative; }

/* Hamburger */
.hamburger {
    display:none; position:fixed; top:14px; left:14px; z-index:1100;
    width:42px; height:42px; background:var(--surface);
    border:1px solid var(--border); border-radius:var(--radius-md);
    font-size:1.4rem; cursor:pointer; color:var(--text);
    align-items:center; justify-content:center;
    box-shadow:var(--shadow-md); transition:all 0.2s;
}
.hamburger.active { background:var(--primary); color:#fff; border-color:var(--primary); }

/* Sidebar Overlay */
.sidebar-overlay { display:none; position:fixed; inset:0; background:rgba(15,20,35,0.3); z-index:1049; }
.sidebar-overlay.show { display:block; }

/* ========== Sidebar ========== */
.sidebar {
    width:var(--sidebar-width); min-width:var(--sidebar-width);
    background:var(--surface); border-right:1px solid var(--border);
    display:flex; flex-direction:column;
    position:sticky; top:0; height:100vh;
    z-index:1050; transition:transform 0.3s ease;
}
.sidebar-logo {
    flex-shrink:0; font-size:1.2rem; font-weight:800; color:var(--primary);
    padding:var(--spacing-xl) var(--spacing-lg) var(--spacing-md);
    letter-spacing:-0.02em;
}
.sidebar-nav {
    flex:1 1 0; min-height:0;
    display:flex; flex-direction:column; gap:2px;
    padding:var(--spacing-sm) var(--spacing-md);
}
.sidebar-nav a {
    display:flex; align-items:center; gap:10px;
    padding:10px 14px; border-radius:var(--radius-md);
    color:var(--text-secondary); font-size:0.9rem; font-weight:500;
    transition:all 0.15s ease; -webkit-tap-highlight-color:transparent;
    white-space:nowrap; flex-shrink:0; position:relative;
}
.sidebar-nav a:hover { background:var(--primary-light); color:var(--primary); }
.sidebar-nav a.active {
    background:var(--primary-light); color:var(--primary); font-weight:600;
    box-shadow:inset 3px 0 0 var(--primary);
}
.sidebar-footer {
    flex-shrink:0; border-top:1px solid var(--border-light);
    padding:var(--spacing-md) var(--spacing-lg);
    font-size:0.85rem; color:var(--text-muted);
}
/* 无滚动条 */
.sidebar, .sidebar-nav, .sidebar-logo, .sidebar-footer { overflow:hidden; }
.sidebar::-webkit-scrollbar, .sidebar-nav::-webkit-scrollbar { width:0;height:0;display:none; }

/* ========== Main Content ========== */
.main-content { flex:1; padding:var(--spacing-2xl); overflow-x:auto; min-width:0; }
.content-header {
    display:flex; justify-content:space-between; align-items:center;
    margin-bottom:var(--spacing-xl); flex-wrap:wrap; gap:var(--spacing-sm);
}
.content-header h1 { font-size:1.5rem; }

/* ========== Cards (Premium) ========== */
.card {
    background:var(--surface); border:1px solid var(--border-light);
    border-radius:var(--radius-lg); padding:var(--spacing-xl);
    box-shadow:var(--shadow-sm); transition:box-shadow 0.2s;
}
.card:hover { box-shadow:var(--shadow-md); }
.card-header {
    display:flex; justify-content:space-between; align-items:center;
    margin-bottom:var(--spacing-lg); padding-bottom:var(--spacing-md);
    border-bottom:1px solid var(--border-light);
    flex-wrap:wrap; gap:var(--spacing-sm);
}
.card-title { font-weight:700; font-size:1rem; }

/* Stats Grid */
.stats-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:var(--spacing-lg); margin-bottom:var(--spacing-xl); }
.stat-card {
    background:var(--surface); border:1px solid var(--border-light);
    border-radius:var(--radius-lg); padding:var(--spacing-lg);
    box-shadow:var(--shadow-xs); transition:all 0.2s;
}
.stat-card:hover { box-shadow:var(--shadow-md); transform:translateY(-2px); }
.stat-label { font-size:0.75rem; color:var(--text-muted); margin-bottom:4px; text-transform:uppercase; letter-spacing:0.8px; font-weight:600; }
.stat-value { font-size:1.6rem; font-weight:700; font-family:var(--font-mono); color:var(--text); }
.stat-sub { font-size:0.78rem; color:var(--text-secondary); margin-top:4px; }

.grid-2 { display:grid; grid-template-columns:repeat(auto-fit,minmax(380px,1fr)); gap:var(--spacing-lg); }
.grid-3 { display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:var(--spacing-lg); }

/* ========== Tables ========== */
.table-wrapper { overflow-x:auto; -webkit-overflow-scrolling:touch; border-radius:var(--radius-md); }
table { width:100%; border-collapse:collapse; font-size:0.88rem; min-width:600px; }
thead th {
    background:var(--bg); padding:10px 14px; text-align:left;
    font-weight:600; color:var(--text-secondary); font-size:0.78rem;
    text-transform:uppercase; letter-spacing:0.5px;
    border-bottom:2px solid var(--border);
}
tbody td { padding:10px 14px; border-bottom:1px solid var(--border-light); vertical-align:middle; }
tbody tr:hover { background:var(--primary-light); }

/* ========== Forms ========== */
.form-group { margin-bottom:var(--spacing-lg); }
.form-label { display:block; font-weight:600; font-size:0.85rem; margin-bottom:6px; color:var(--text); letter-spacing:-0.01em; }
.form-hint { font-size:0.78rem; color:var(--text-muted); margin-top:4px; }
input[type="text"], input[type="number"], input[type="email"], input[type="password"],
input[type="date"], input[type="url"], input[type="file"], select, textarea {
    width:100%; padding:10px 14px; border:1.5px solid var(--border);
    border-radius:var(--radius-md); font-size:0.9rem; font-family:var(--font-sans);
    color:var(--text); background:var(--surface);
    transition:border-color 0.15s, box-shadow 0.15s; outline:none;
}
input:focus, select:focus, textarea:focus { border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-subtle); }
textarea { min-height:100px; resize:vertical; }
select { appearance:none; background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%239098ab'/%3E%3C/svg%3E") no-repeat right 12px center; padding-right:36px; }

/* ========== Buttons ========== */
.btn {
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    padding:10px 20px; border:1.5px solid transparent; border-radius:var(--radius-md);
    font-size:0.88rem; font-weight:600; cursor:pointer; letter-spacing:-0.01em;
    transition:all 0.15s; font-family:var(--font-sans); white-space:nowrap;
    -webkit-tap-highlight-color:transparent;
}
.btn:hover { transform:translateY(-1px); box-shadow:var(--shadow-md); }
.btn:active { transform:translateY(0); }
.btn:focus-visible { outline:2px solid var(--primary); outline-offset:2px; }
.btn:disabled { opacity:0.45; cursor:not-allowed; transform:none; box-shadow:none; }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--primary-hover); }
.btn-success { background:var(--success); color:#fff; }
.btn-success:hover { background:#059669; }
.btn-danger { background:var(--danger); color:#fff; }
.btn-danger:hover { background:#dc2626; }
.btn-outline { background:transparent; color:var(--text-secondary); border-color:var(--border); }
.btn-outline:hover { background:var(--bg); color:var(--text); }
.btn-ghost { background:transparent; color:var(--text-secondary); border-color:transparent; }
.btn-ghost:hover { background:var(--bg); }
.btn-sm { padding:5px 12px; font-size:0.8rem; }
.btn-lg { padding:12px 28px; font-size:1rem; }
.btn-block { width:100%; }

/* ========== Badges ========== */
.badge { display:inline-flex; align-items:center; gap:4px; padding:3px 10px; border-radius:99px; font-size:0.75rem; font-weight:600; }
.badge-success { background:var(--success-bg); color:var(--success); }
.badge-warning { background:var(--warning-bg); color:var(--warning); }
.badge-danger { background:var(--danger-bg); color:var(--danger); }
.badge-info { background:var(--info-bg); color:var(--info); }
.badge-default { background:var(--bg); color:var(--text-secondary); }

/* ========== Alerts ========== */
.alert { padding:12px 18px; border-radius:var(--radius-md); font-size:0.88rem; margin-bottom:var(--spacing-lg); line-height:1.5; }
.alert-success { background:var(--success-bg); color:#065f46; border:1px solid #a7f3d0; }
.alert-warning { background:var(--warning-bg); color:#92400e; border:1px solid #fde68a; }
.alert-danger { background:var(--danger-bg); color:#991b1b; border:1px solid #fecaca; }
.alert-info { background:var(--info-bg); color:#155e75; border:1px solid #a5f3fc; }

/* ========== Pagination ========== */
.pagination { display:flex; gap:4px; justify-content:center; padding:var(--spacing-lg) 0; flex-wrap:wrap; }
.pagination a, .pagination span {
    display:inline-flex; align-items:center; justify-content:center;
    min-width:38px; height:38px; padding:0 10px;
    border:1px solid var(--border); border-radius:var(--radius-sm);
    font-size:0.85rem; color:var(--text-secondary);
}
.pagination a:hover { background:var(--primary-light); color:var(--primary); border-color:var(--primary-subtle); }
.pagination .active { background:var(--primary); color:#fff; border-color:var(--primary); }

/* ========== Login / Register - Premium Card Style ========== */
.login-page {
    display:flex; align-items:center; justify-content:center;
    min-height:100vh; background:linear-gradient(135deg, #e8f4fd 0%, #f5f7fa 40%, #f0f9ff 100%);
    padding:20px;
}
.login-card {
    width:100%; max-width:420px;
    background:var(--surface);
    border-radius:20px;
    box-shadow:0 20px 60px rgba(14,165,233,0.12), 0 4px 16px rgba(0,0,0,0.06);
    overflow:hidden;
}
.login-card-header {
    background:linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding:36px 32px 28px; text-align:center; color:#fff;
    position:relative; overflow:hidden;
}
.login-card-header::before {
    content:''; position:absolute; top:-30px; right:-30px;
    width:100px; height:100px; border-radius:50%;
    background:rgba(255,255,255,0.08);
}
.login-card-header::after {
    content:''; position:absolute; bottom:-20px; left:-20px;
    width:80px; height:80px; border-radius:50%;
    background:rgba(255,255,255,0.06);
}
.login-card-header h1 { color:#fff; font-size:1.4rem; font-weight:700; margin-bottom:4px; position:relative; z-index:1; }
.login-card-header p { color:rgba(255,255,255,0.75); font-size:0.9rem; position:relative; z-index:1; }
.login-card-body { padding:32px; }
.login-card-body h2 { font-size:1.25rem; font-weight:700; margin-bottom:4px; }
.login-card-body .subtitle { color:var(--text-muted); font-size:0.88rem; margin-bottom:24px; }
.login-card-body .form-group { margin-bottom:18px; }
.login-card-body .btn { margin-top:8px; }

/* ========== AI Weekly Report ========== */
.weekly-report { background:linear-gradient(135deg, var(--primary-light), #fff); border:2px solid var(--primary-subtle); }
.weekly-report .card-title { color:var(--primary-dark); }
.chart-bar { display:flex; align-items:flex-end; gap:8px; height:120px; padding-top:8px; }
.chart-bar-item { flex:1; display:flex; flex-direction:column; align-items:center; gap:4px; }
.chart-bar-fill { width:100%; border-radius:6px 6px 0 0; background:linear-gradient(180deg, var(--primary), var(--primary-subtle)); transition:height 0.5s ease; min-height:4px; }
.chart-bar-label { font-size:0.7rem; color:var(--text-muted); white-space:nowrap; }

.pie-legend { display:flex; flex-wrap:wrap; gap:12px; margin-top:12px; }
.pie-legend-item { display:flex; align-items:center; gap:6px; font-size:0.8rem; }
.pie-dot { width:10px; height:10px; border-radius:50%; flex-shrink:0; }

/* ========== Progress Bar ========== */
.progress-bar { width:100%; height:8px; background:var(--bg); border-radius:99px; overflow:hidden; }
.progress-fill { height:100%; border-radius:99px; transition:width 0.4s ease; }
.progress-fill.safe { background:var(--primary); }
.progress-fill.warn { background:var(--warning); }
.progress-fill.danger { background:var(--danger); }

/* ========== Score Bar ========== */
.score-bar { width:100%; height:8px; background:var(--bg); border-radius:99px; overflow:hidden; }
.score-bar-fill { height:100%; border-radius:99px; transition:width 0.3s ease; }
.score-bar-fill.high { background:var(--success); }
.score-bar-fill.medium { background:var(--warning); }
.score-bar-fill.low { background:var(--danger); }

/* ========== Modal ========== */
.modal-overlay { position:fixed; inset:0; background:rgba(15,20,35,0.45); display:flex; align-items:center; justify-content:center; z-index:2000; padding:16px; }
.modal { background:var(--surface); border-radius:var(--radius-lg); padding:var(--spacing-2xl); max-width:520px; width:100%; max-height:85vh; overflow-y:auto; box-shadow:var(--shadow-lg); }
.modal-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:var(--spacing-xl); }
.modal-close { background:none; border:none; font-size:1.5rem; cursor:pointer; color:var(--text-muted); padding:4px; line-height:1; }
.modal-close:hover { color:var(--text); }

/* ========== Code ========== */
code { font-family:var(--font-mono); font-size:0.82rem; background:var(--bg); border-radius:4px; padding:2px 6px; color:var(--primary-dark); }

/* ========== Utilities ========== */
.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mt-xl{margin-top:var(--spacing-xl)}
.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}
.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}
.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}
.flex-wrap{flex-wrap:wrap}.flex-1{flex:1}.w-full{width:100%}
.hidden{display:none!important}

/* ========== Animations ========== */
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@keyframes spin{to{transform:rotate(360deg)}}
.animate-fade-in{animation:fadeIn .3s ease}
.animate-slide-up{animation:slideUp .35s ease}
.spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite}

/* =============================================
   H5 Mobile
   ============================================= */
@media (max-width: 768px) {
    .hamburger{display:flex}
    .page-wrapper{flex-direction:column}
    .sidebar{
        position:fixed;top:0;left:0;bottom:0;width:260px;min-width:260px;
        transform:translateX(-100%);box-shadow:var(--shadow-lg);z-index:1050;
    }
    .sidebar.open{transform:translateX(0)}
    .main-content{padding:64px var(--spacing-lg) var(--spacing-lg)}
    .content-header{flex-direction:column;align-items:flex-start}
    .stats-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:var(--spacing-md)}
    .stat-card{padding:var(--spacing-md)}
    .stat-value{font-size:1.25rem}
    .grid-2,.grid-3{grid-template-columns:1fr}
    .card{padding:var(--spacing-lg)}
    .btn{font-size:0.85rem;padding:8px 16px}
    /* Login split -> stack */
    .login-page{flex-direction:column}
    .login-hero{padding:var(--spacing-2xl);min-height:180px}
    .login-hero h1{font-size:1.5rem}
    .login-form-side{padding:var(--spacing-xl);max-width:100%}
}
@media (max-width: 480px) {
    html{font-size:15px}
    .main-content{padding:56px var(--spacing-md) var(--spacing-md)}
    .stats-grid{grid-template-columns:1fr 1fr;gap:var(--spacing-sm)}
    .stat-value{font-size:1.1rem}
    .stat-label{font-size:0.7rem}
    .sidebar{width:240px;min-width:240px}
}

@media (prefers-reduced-motion:reduce) {
    *,::before,::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}