/* ===== Self-hosted font: Inter (Latin + digits) + system CJK ===== */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/inter-latin-400-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/inter-latin-500-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/fonts/inter-latin-600-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/fonts/inter-latin-700-normal.woff2') format('woff2');
}

:root {
  /* Brand: confident indigo-blue */
  --c-primary: #3B5BDB; --c-primary-hover: #2E49BE; --c-primary-mid: #5B78E6; --c-primary-light: #E8EDFB;
  --c-accent: #283593; --c-accent-hover: #1E2A78; --c-accent-mid: #3A4BA8;
  --c-success: #1F9D6B; --c-success-hover: #18885B; --c-warning: #B8862E; --c-error: #D9534F; --c-error-hover: #C0413D;
  /* Sidebar: deep indigo-navy, white icons (high contrast) */
  --c-sidebar: #1B2540; --c-sidebar-2: #131B30; --c-sidebar-text: #C7CEE0; --c-sidebar-muted: #8A93B2; --c-nav-icon: #FFFFFF;
  --c-bg: #F4F6FB; --c-border: #E4E8F0;
  --c-text: #1E2533; --c-text-light: #5B6577; --c-text-muted: #6C7684;
  --radius: 14px; --radius-sm: 10px; --radius-btn: 10px;
  --ease-out: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-snap: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-sm: 0 1px 2px rgba(16,24,40,.04), 0 4px 10px rgba(16,24,40,.04);
  --shadow-md: 0 6px 14px rgba(16,24,40,.06), 0 14px 30px rgba(16,24,40,.07);
  --shadow-lg: 0 10px 24px rgba(16,24,40,.08), 0 28px 56px rgba(16,24,40,.10);
  --c-font: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Source Han Sans SC', 'Noto Sans SC', 'Hiragino Sans GB', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: var(--c-font);
  color: var(--c-text); display: flex; overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'cv11', 'ss01';
  background-color: var(--c-bg);
  background-image:
    radial-gradient(900px 600px at 0% -10%, rgba(59,91,219,.08), transparent 55%),
    radial-gradient(700px 500px at 100% 0%, rgba(40,53,147,.06), transparent 50%);
}
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, select, textarea { font: inherit; }

/* ===== Global Button Base ===== */
.btn-primary, .btn-accent, .btn-add, .btn-add-accent, .btn-save, .btn-cancel,
.btn-danger, .btn-query, .btn-search, .batch-btn, .batch-clear,
.summary-toolbar .btn-query {
  border-radius: var(--radius-btn);
  letter-spacing: .3px;
}
button, .btn-primary, .btn-accent, .btn-search, .btn-add, .btn-add-accent,
.btn-cancel, .btn-save, .btn-danger, .btn-query, .batch-btn, .batch-clear {
  transition: all .15s var(--ease-out);
}
button:focus-visible, .btn-primary:focus-visible, .btn-accent:focus-visible,
.btn-add:focus-visible, .btn-add-accent:focus-visible, .btn-save:focus-visible,
.btn-danger:focus-visible, .btn-query:focus-visible, .batch-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(59,91,219,.35);
}

/* ===== Login Screen ===== */
.login-overlay { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(720px 520px at 14% 18%, rgba(59,91,219,.28), transparent 55%),
    radial-gradient(620px 520px at 86% 82%, rgba(40,53,147,.18), transparent 55%),
    linear-gradient(135deg, #131B30 0%, #1B2540 58%, #141C30 100%);
}
.login-box { width: 100%; max-width: 380px; margin: 0 16px; }
.login-title { text-align: center; margin-bottom: 28px; }
.login-logo { width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 18px; background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-mid) 50%, var(--c-primary-hover) 100%); display: flex; align-items: center; justify-content: center; font-size: 30px; font-weight: 700; color: #fff; box-shadow: 0 12px 28px rgba(0,0,0,.18); }
.login-title h1 { font-size: 30px; font-weight: 700; color: #fff; letter-spacing: 1px; }
.login-title p { font-size: 13px; color: #94A3B8; margin-top: 6px; letter-spacing: 2px; }
.login-card { position: relative; overflow: hidden; background: #fff; border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow-lg); }
.login-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--c-primary), var(--c-accent)); }
.login-card h2 { font-size: 18px; font-weight: 600; text-align: center; margin-bottom: 16px; }
.login-card .msg { font-size: 12px; text-align: center; margin-bottom: 8px; min-height: 16px; }
.login-card .msg.err { color: var(--c-error); }
.login-card .msg.ok { color: var(--c-success); }
.login-card .field { margin-bottom: 12px; }
.login-card .field label { display: block; font-size: 12px; color: var(--c-text-light); margin-bottom: 4px; }
.login-card .field input { width: 100%; padding: 11px 16px; background: #F8FAFC; border: 1.5px solid var(--c-border); border-radius: var(--radius-sm); font-size: 14px; transition: border .2s var(--ease-out), box-shadow .2s var(--ease-out), background .2s var(--ease-out); }
.login-card .field input:hover { border-color: var(--c-border); }
.login-card .field input:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 4px rgba(59,91,219,.22); background: #fff; }
.btn-primary { width: 100%; padding: 11px; background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-mid) 50%, var(--c-primary-hover) 100%); color: #fff; border-radius: var(--radius-sm); font-size: 14px; font-weight: 500; border: 1px solid rgba(255,255,255,.1); box-shadow: 0 1px 2px rgba(16,24,40,.10), 0 3px 8px rgba(59,91,219,.20); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(59,91,219,.30); }
.btn-primary:active { transform: translateY(0) scale(.98); }
.btn-accent { width: 100%; padding: 11px; background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-mid) 50%, var(--c-accent-hover) 100%); color: #fff; border-radius: var(--radius-sm); font-size: 14px; font-weight: 500; border: 1px solid rgba(255,255,255,.1); box-shadow: 0 1px 2px rgba(16,24,40,.10), 0 3px 8px rgba(59,91,219,.20); }
.btn-accent:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(59,91,219,.30); }
.btn-accent:active { transform: translateY(0) scale(.98); }
.login-switch { text-align: center; font-size: 12px; color: var(--c-text-muted); margin-top: 12px; }
.login-switch span { color: var(--c-primary); cursor: pointer; }
.login-switch span:hover { text-decoration: underline; }

/* ===== Layout ===== */
.sidebar { width: 220px; background: linear-gradient(170deg, var(--c-sidebar) 0%, var(--c-sidebar-2) 100%); display: flex; flex-direction: column; flex-shrink: 0; border-right: 1px solid rgba(255,255,255,.06); box-shadow: 2px 0 18px rgba(16,24,40,.20); }
.sidebar-header { height: 56px; display: flex; align-items: center; gap: 8px; padding: 0 20px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar-header .logo { font-size: 20px; font-weight: 700; color: #fff; }
.sidebar-header .sub { font-size: 11px; color: var(--c-sidebar-muted); margin-top: 2px; }
.sidebar-nav { flex: 1; padding: 16px 0; }
.nav-link { display: flex; align-items: center; gap: 12px; padding: 10px 20px; margin: 2px 8px; border-radius: var(--radius-sm); font-size: 14px; color: var(--c-sidebar-text); transition: all .2s var(--ease-out); border-left: none; }
.nav-link:hover { background: rgba(255,255,255,.07); color: #E6ECF3; }
.nav-link.active { background: rgba(91,120,230,.22); color: #FFFFFF; font-weight: 600; box-shadow: inset 3px 0 0 var(--c-nav-icon); }
.nav-link .icon { font-size: 16px; }
.sidebar-footer { padding: 16px; border-top: 1px solid rgba(255,255,255,.08); display: flex; align-items: center; gap: 12px; }
.avatar { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-mid) 50%, var(--c-primary-hover) 100%); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 14px; font-weight: 700; flex-shrink: 0; box-shadow: 0 2px 8px rgba(0,0,0,.12); }
.sidebar-footer .info { flex: 1; }
.sidebar-footer .info .name { font-size: 13px; color: #E6ECF3; font-weight: 500; }
.sidebar-footer .info .role { font-size: 11px; color: var(--c-sidebar-muted); }
.sidebar-footer .logout { font-size: 11px; color: #7E8A99; cursor: pointer; }
.sidebar-footer .logout:hover { color: var(--c-sidebar-text); }

.main { flex: 1; overflow-y: auto; scroll-behavior: smooth; }
.main-header { position: sticky; top: 0; z-index: 10; height: 56px; display: flex; align-items: center; padding: 0 24px; background: #fff; border-bottom: 1px solid var(--c-border); box-shadow: 0 1px 3px rgba(0,0,0,.05); }
.main-header h1 { font-size: 18px; font-weight: 600; }

/* ===== Panels ===== */
.panel { display: none; padding: 24px; }
.panel.active { display: block; }

/* ===== Stat Cards ===== */
.stat-grid { display: grid; gap: 20px; margin-bottom: 24px; }
.stat-grid.cols-5 { grid-template-columns: repeat(5, 1fr); }
.stat-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.stat-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.stat-grid.cols-6 { grid-template-columns: repeat(6, 1fr); }
.stat-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 1200px) { .stat-grid.cols-5, .stat-grid.cols-6 { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) { .stat-grid.cols-5, .stat-grid.cols-4, .stat-grid.cols-6 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .stat-grid.cols-5, .stat-grid.cols-4, .stat-grid.cols-3, .stat-grid.cols-6 { grid-template-columns: 1fr; } }
.stat-card { background: #fff; border-radius: var(--radius); padding: 20px; border: 1px solid var(--c-border); box-shadow: var(--shadow-sm); transition: transform .25s var(--ease-out), box-shadow .25s var(--ease-out); position: relative; overflow: hidden; }
.stat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--c-primary), var(--c-primary-mid)); opacity: .55; transition: opacity .25s var(--ease-out); }
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stat-card:hover::before { opacity: 1; }
.stat-card .top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.stat-card .top .label { font-size: 13px; color: var(--c-text-light); }
.stat-card .top .icon-box { width: 40px; height: 40px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 20px; background: var(--c-primary-light); }
.stat-card .value { font-size: 28px; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -.4px; }

/* ===== Cards / Sections ===== */
.card { background: #fff; border-radius: var(--radius); border: 1px solid var(--c-border); box-shadow: var(--shadow-sm); transition: box-shadow .25s var(--ease-out); }
.card:hover { box-shadow: var(--shadow-md); }
.card-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; border-bottom: 1px solid var(--c-border); }
.card-header h2 { font-size: 15px; font-weight: 600; }
.card-body { padding: 24px; }
.card-body.chart-area { height: 256px; display: flex; align-items: flex-end; gap: 8px; padding-bottom: 0; position: relative;
  background-image: linear-gradient(rgba(44,54,66,.07) 1px, transparent 1px);
  background-size: 100% 25%; background-position: 0 100%; }
.chart-labels { display: flex; justify-content: space-between; padding: 12px 0 0; font-size: 11px; color: var(--c-text-muted); }

/* ===== Tables ===== */
.table-wrap { overflow-x: auto; }
table { width: 100%; font-size: 13px; border-collapse: collapse; }
thead th { text-align: left; font-size: 11px; font-weight: 600; color: var(--c-text-light); text-transform: uppercase; letter-spacing: .6px; background: #F8FAFC; padding: 14px 20px; border-bottom: 2px solid var(--c-border); font-variant-numeric: tabular-nums; }
tbody td { padding: 14px 20px; vertical-align: middle; font-variant-numeric: tabular-nums; }
tbody tr { transition: background .15s var(--ease-out); }
tbody tr:nth-child(even) { background: rgba(27,37,64,.022); }
tbody tr:hover { background: #ECEEF2; }
tbody tr + tr { border-top: 1px solid var(--c-border); }

/* ===== Status Badges ===== */
.badge { font-size: 11px; padding: 3px 10px; border-radius: 99px; font-weight: 500; display: inline-block; line-height: 1.4; letter-spacing: .3px; }
.badge-yellow { background: #FBF0D6; color: #8A6410; }
.badge-blue { background: #E1E7FB; color: #2742B0; }
.badge-indigo { background: #E6E9F7; color: #3A3FA8; }
.badge-green { background: #DCF1E6; color: #1C7A52; }
.badge-gray { background: #EDF0F4; color: #5A6672; }
.badge-red { background: #FBE4E2; color: #B23A36; }
.badge-purple { background: #ECE6F6; color: #6D4FA3; }

/* ===== Forms ===== */
.form-grid { display: grid; gap: 16px; }
.form-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.form-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.field label { display: block; font-size: 12px; color: var(--c-text-light); margin-bottom: 5px; font-weight: 500; }
.field input, .field select { width: 100%; padding: 10px 16px; background: #fff; border: 1.5px solid var(--c-border); border-radius: var(--radius-sm); font-size: 14px; transition: border .2s var(--ease-out), box-shadow .2s var(--ease-out), background .2s var(--ease-out); }
.field select { padding-right: 40px;
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath d='M3.5 5.5L7 9L10.5 5.5' fill='none' stroke='%23788593' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
  transition: border .2s var(--ease-out), box-shadow .2s var(--ease-out), background-position .2s var(--ease-out);
}
.field select:hover { background-position: right 12px center; }
.field select:focus { background-position: right 14px center; outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 4px rgba(59,91,219,.22); background: #fff; }
.field input:hover, .field select:hover { border-color: var(--c-border); }
.field input:focus, .field select:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 4px rgba(59,91,219,.22); background: #fff; }
.field .computed { width: 100%; padding: 10px 16px; background: var(--c-primary-light); border: 1px solid var(--c-border); border-radius: var(--radius-sm); font-size: 14px; font-weight: 600; }

/* ===== Autofill override ===== */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0 1000px #fff inset !important;
  -webkit-text-fill-color: var(--c-text) !important;
  transition: background-color 5000s ease-in-out 0s;
}

/* ===== Toolbar ===== */
.toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.toolbar .search-input { padding: 10px 16px; background: #fff; border: 1.5px solid var(--c-border); border-radius: var(--radius-sm); font-size: 13px; width: 240px; color: var(--c-text); transition: border .2s var(--ease-out), box-shadow .2s var(--ease-out); }
.toolbar .search-input:hover { border-color: var(--c-border); }
.toolbar .search-input:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(59,91,219,.22); }
.toolbar .filter-select { padding: 10px 40px 10px 16px; background: #fff; border: 1.5px solid var(--c-border); border-radius: var(--radius-btn); font-size: 13px; color: var(--c-text); cursor: pointer;
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath d='M3.5 5.5L7 9L10.5 5.5' fill='none' stroke='%23788593' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  transition: border .2s var(--ease-out), box-shadow .2s var(--ease-out), background-position .2s var(--ease-out);
}
.toolbar .filter-select:hover { border-color: #B0B8C1; background-position: right 12px center; }
.toolbar .filter-select:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(59,91,219,.22); background-position: right 14px center; }
.toolbar .btn-search { padding: 10px 20px; background: #fff; border: 1.5px solid var(--c-border); border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; box-shadow: var(--shadow-sm); }
.toolbar .btn-search:hover { background: #F8FAFC; border-color: var(--c-border); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.toolbar .btn-search:active { transform: translateY(0); }
.toolbar .btn-add { padding: 10px 20px; background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-mid) 50%, var(--c-primary-hover) 100%); color: #fff; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; border: 1px solid rgba(255,255,255,.1); box-shadow: 0 1px 2px rgba(16,24,40,.10), 0 3px 8px rgba(59,91,219,.20); }
.toolbar .btn-add:hover { transform: translateY(-1px); box-shadow: 0 6px 22px rgba(0,0,0,.2); }
.toolbar .btn-add:active { transform: translateY(0) scale(.98); }
.toolbar .btn-add-accent { padding: 10px 20px; background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-mid) 50%, var(--c-accent-hover) 100%); color: #fff; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; border: 1px solid rgba(255,255,255,.1); box-shadow: 0 1px 2px rgba(16,24,40,.10), 0 3px 8px rgba(59,91,219,.20); }
.toolbar .btn-add-accent:hover { transform: translateY(-1px); box-shadow: 0 6px 22px rgba(0,0,0,.2); }
.toolbar .btn-add-accent:active { transform: translateY(0) scale(.98); }
.toolbar-right { margin-left: auto; }

/* ===== Modals ===== */
.modal-overlay { position: fixed; inset: 0; z-index: 50; background: rgba(0,0,0,.5); display: none; align-items: center; justify-content: center; overflow-y: auto; padding: 16px; }
.modal-overlay.open { display: flex; }
.modal { background: #fff; border-radius: var(--radius); width: 100%; max-width: 520px; margin: 16px; padding: 24px; box-shadow: 0 20px 60px rgba(0,0,0,.2);
  display: flex; flex-direction: column;
  max-height: calc(100vh - 32px); max-height: calc(100dvh - 32px);
  overflow-y: auto; -webkit-overflow-scrolling: touch; overscroll-behavior: contain;
}
.modal-header { position: sticky; top: 0; background: #fff; z-index: 2; }
.modal-footer { position: sticky; bottom: 0; background: #fff; z-index: 2; }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.modal-header h2 { font-size: 18px; font-weight: 600; }
.modal-header .close { font-size: 20px; color: #94A3B8; cursor: pointer; transition: color .15s var(--ease-out), transform .15s var(--ease-out); border-radius: 50%; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; }
.modal-header .close:hover { color: #475569; background: var(--c-primary-light); transform: scale(1.1); }
.modal-footer { display: flex; justify-content: flex-end; gap: 12px; margin-top: 16px; }
.modal-footer .btn-cancel { padding: 10px 20px; border: 1.5px solid var(--c-border); border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; color: var(--c-text-light); background: #fff; }
.modal-footer .btn-cancel:hover { background: var(--c-primary-light); border-color: var(--c-border); }
.modal-footer .btn-cancel:active { transform: scale(.97); }
.modal-footer .btn-save { padding: 10px 20px; background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-mid) 50%, var(--c-primary-hover) 100%); color: #fff; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; border: 1px solid rgba(255,255,255,.1); box-shadow: 0 1px 2px rgba(16,24,40,.10), 0 3px 8px rgba(59,91,219,.20); }
.modal-footer .btn-save:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(59,91,219,.30); }
.modal-footer .btn-save:active { transform: translateY(0) scale(.98); }

/* ===== Button loading state (async feedback) ===== */
.btn[disabled] { opacity: .7; cursor: not-allowed; }
.btn-save.is-loading, .btn-primary.is-loading { position: relative; color: transparent !important; pointer-events: none; }
.btn-save.is-loading::after, .btn-primary.is-loading::after {
  content: ''; position: absolute; top: 50%; left: 50%; width: 15px; height: 15px;
  margin: -7.5px 0 0 -7.5px; border: 2px solid rgba(255,255,255,.4); border-top-color: #fff;
  border-radius: 50%; animation: btn-spin .6s linear infinite;
}
@keyframes btn-spin { to { transform: rotate(360deg); } }

/* ===== Chart Bar ===== */
.chart-bar-wrap { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; min-width: 0; height: 100%; }
.chart-bar { width: 100%; min-height: 4px; border-radius: 4px 4px 0 0; background: linear-gradient(180deg, var(--c-primary-mid) 0%, var(--c-primary) 100%); transition: height .3s var(--ease-out); }
.chart-bar-val { font-size: 11px; color: var(--c-text-light); margin-bottom: 4px; }
.chart-bar:hover { filter: brightness(1.1); }
.chart-peak { position: absolute; top: 8px; right: 12px; font-size: 11px; color: var(--c-text-muted); background: rgba(255,255,255,.75); padding: 2px 10px; border-radius: 99px; backdrop-filter: blur(2px); }
.chart-empty { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--c-text-muted); font-size: 13px; }

/* ===== Vehicle Status Item ===== */
.vstatus-item { display: flex; align-items: center; gap: 10px; padding: 8px 0; }
.vstatus-dot { width: 10px; height: 10px; border-radius: 50%; }
.vstatus-label { font-size: 13px; color: var(--c-text-light); flex: 1; }
.vstatus-count { font-size: 14px; font-weight: 600; }

/* ===== Footer ===== */
.table-footer { display: flex; align-items: center; justify-content: space-between; padding: 12px 24px; border-top: 1px solid var(--c-primary-light); font-size: 12px; color: var(--c-text-muted); }
.link { font-size: 12px; color: var(--c-primary); cursor: pointer; }
.link:hover { text-decoration: underline; }
.action-link { font-size: 12px; color: var(--c-primary); cursor: pointer; }
.action-link:hover { text-decoration: underline; }
.action-link.danger { color: var(--c-error); }

/* ===== Permission checkboxes ===== */
.perm-label { display: inline-flex; align-items: center; gap: 4px; margin-right: 8px; font-size: 12px; cursor: pointer; }
.perm-label input[type=checkbox] { accent-color: var(--c-primary); }

/* ===== Summary toolbar ===== */
.summary-toolbar { background: #fff; border-radius: var(--radius); padding: 20px; border: 1px solid var(--c-primary-light); display: flex; flex-wrap: wrap; align-items: flex-end; gap: 16px; margin-bottom: 20px; }
.summary-toolbar .field { margin-bottom: 0; }
.summary-toolbar .btn-query { padding: 10px 24px; background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-mid) 50%, var(--c-primary-hover) 100%); color: #fff; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; border: 1px solid rgba(255,255,255,.1); box-shadow: 0 1px 2px rgba(16,24,40,.10), 0 3px 8px rgba(59,91,219,.20); }
.summary-toolbar .btn-query:hover { transform: translateY(-1px); box-shadow: 0 6px 22px rgba(0,0,0,.2); }
.summary-toolbar .btn-query:active { transform: translateY(0) scale(.98); }

/* ===== Peccancy stats ===== */
.peccancy-stat .value { text-align: center; }
.peccancy-stat .value .label { font-size: 12px; color: var(--c-text-light); margin-bottom: 8px; }

/* ===== User badge ===== */
.user-badge { font-size: 11px; padding: 2px 10px; border-radius: 99px; font-weight: 500; }
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-purple { color: #6D4FA3; }
.text-primary { color: var(--c-primary); }

/* ===== 补油补电 ===== */
.refuel-summary { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 24px; }
.refuel-filter { display: flex; gap: 8px; margin-top: 12px; align-items: center; }
.refuel-filter .filter-select { flex: 1; min-width: 0; }

/* ===== 总览时间筛选 ===== */
.overview-filter { display: flex; gap: 8px; align-items: center; margin-bottom: 20px; }
.overview-filter .filter-select { width: auto; }

/* ===== Polished Select (年/月/日 下拉栏) ===== */
select.filter-select,
.overview-filter select,
.refuel-filter select {
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath d='M3.5 5.5L7 9L10.5 5.5' fill='none' stroke='%23788593' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
  transition: border .2s var(--ease-out), box-shadow .2s var(--ease-out), background-position .2s var(--ease-out);
}
.overview-filter select:hover,
.refuel-filter select:hover { background-position: right 12px center; }
.overview-filter select:focus,
.refuel-filter select:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(59,91,219,.22); background-position: right 14px center; }
.overview-filter input[type="month"],
.overview-filter input[type="date"],
.overview-filter input[type="number"],
.refuel-filter input[type="month"],
.refuel-filter input[type="date"],
.refuel-filter input[type="number"] {
  padding: 10px 16px; background: #fff; border: 1.5px solid var(--c-border);
  border-radius: var(--radius-btn); font-size: 13px; color: var(--c-text);
  transition: border .2s var(--ease-out), box-shadow .2s var(--ease-out);
  min-width: 160px;
}
.overview-filter input[type="month"],
.overview-filter input[type="date"] {
  padding-right: 40px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Crect x='2' y='3.5' width='10' height='9' rx='1.5' fill='none' stroke='%23616A75' stroke-width='1.4'/%3E%3Cline x1='2' y1='6.5' x2='12' y2='6.5' stroke='%23616A75' stroke-width='1.4'/%3E%3Cline x1='4.5' y1='2' x2='4.5' y2='5' stroke='%23616A75' stroke-width='1.4' stroke-linecap='round'/%3E%3Cline x1='9.5' y1='2' x2='9.5' y2='5' stroke='%23616A75' stroke-width='1.4' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  text-align: center;
  font-weight: 500;
}
.overview-filter input[type="month"]::-webkit-calendar-picker-indicator,
.overview-filter input[type="date"]::-webkit-calendar-picker-indicator,
.refuel-filter input[type="month"]::-webkit-calendar-picker-indicator,
.refuel-filter input[type="date"]::-webkit-calendar-picker-indicator {
  opacity: 0;
  cursor: pointer;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.overview-filter input:hover,
.refuel-filter input:hover { border-color: var(--c-primary); }
.overview-filter input:focus,
.refuel-filter input:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(59,91,219,.22); }
.overview-filter input[type="number"] { width: 140px; }
.text-error { color: var(--c-error); }
.text-success { color: var(--c-success); }
.text-warning { color: var(--c-warning); }
.font-bold { font-weight: 700; }

/* ===== Mobile Responsive ===== */
.menu-toggle { display: none; font-size: 20px; background: none; border: none; color: var(--c-text); margin-right: 12px; line-height: 1; }
.sidebar-backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 55; }
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .sidebar { position: fixed; left: 0; top: 0; bottom: 0; z-index: 60; width: 248px; transform: translateX(-100%); transition: transform .25s ease; }
  .sidebar.open { transform: translateX(0); box-shadow: 0 0 40px rgba(0,0,0,.35); }
  .sidebar-backdrop.show { display: block; }
  .main { width: 100%; }
  .panel { padding: 16px; }
  .main-header { padding: 0 16px; }
  .stat-grid.cols-5, .stat-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .stat-grid.cols-3, .stat-grid.cols-2 { grid-template-columns: 1fr; }
  .toolbar .search-input { width: 100%; }
  .summary-toolbar { flex-direction: column; align-items: stretch; }
  .modal { margin: 12px; padding: 18px; max-height: calc(100vh - 24px); max-height: calc(100dvh - 24px); }
  .form-grid.cols-2, .form-grid.cols-3 { grid-template-columns: 1fr; }
  .refuel-summary { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .login-title h1 { font-size: 26px; }
  .stat-grid.cols-5, .stat-grid.cols-4 { grid-template-columns: 1fr; }
  .main-header h1 { font-size: 16px; }
}

/* ===== Toast ===== */
.toast-wrap { position: fixed; top: 18px; right: 18px; z-index: 200; display: flex; flex-direction: column; gap: 10px; pointer-events: none; }
.toast { pointer-events: auto; background: #1B2540; color: #fff; padding: 12px 18px; border-radius: 10px; font-size: 13px; line-height: 1.4; box-shadow: 0 10px 30px rgba(0,0,0,.25); max-width: 320px; animation: toastIn .25s var(--ease-snap); }
.toast.ok { background: var(--c-success); }
.toast.err { background: var(--c-error); }
.toast.warn { background: var(--c-warning); }
.toast.hide { opacity: 0; transition: opacity .3s; }

/* ===== Animations ===== */
.modal-overlay.open { animation: fadeIn .25s var(--ease-out); }
.modal { animation: modalIn .3s var(--ease-snap); }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalIn { from { opacity: 0; transform: translateY(24px) scale(.96); } to { opacity: 1; transform: none; } }
.panel.active { animation: panelIn .25s var(--ease-out); }
@keyframes panelIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes toastIn { from { opacity: 0; transform: translateY(-12px) scale(.95); } to { opacity: 1; transform: none; } }
.toast { animation: toastIn .25s var(--ease-snap); }
@keyframes batchIn { from { opacity: 0; transform: translate(-50%, 20px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important; animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== Checkbox column ===== */
th.col-check, td.col-check { width: 42px; text-align: center; }
th.col-check input, td.col-check input { width: 16px; height: 16px; accent-color: var(--c-primary); cursor: pointer; }

/* ===== Confirm modal ===== */
.modal-sm { max-width: 400px; }
.confirm-msg { font-size: 14px; color: var(--c-text-light); line-height: 1.6; margin: 4px 0 8px; }
.modal-footer .btn-danger { background: linear-gradient(135deg, var(--c-error) 0%, var(--c-error-hover) 100%); box-shadow: 0 2px 8px rgba(0,0,0,.1); }
.modal-footer .btn-danger:hover { background: linear-gradient(135deg, var(--c-error-hover), #A83632); transform: translateY(-1px); box-shadow: 0 6px 18px rgba(0,0,0,.15); }
.modal-footer .btn-danger:active { transform: translateY(0) scale(.98); }

/* ===== Batch action bar ===== */
.batch-bar { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 80; display: flex; align-items: center; gap: 16px; background: #fff; border: 1px solid var(--c-border); border-radius: 14px; padding: 12px 18px; box-shadow: 0 16px 40px rgba(0,0,0,.18); max-width: calc(100% - 32px); flex-wrap: wrap; animation: batchIn .2s ease; }
.batch-bar.hidden { display: none; }
@keyframes batchIn { from { opacity: 0; transform: translate(-50%, 16px); } to { opacity: 1; transform: translate(-50%, 0); } }
.batch-bar .batch-info { font-size: 13px; color: var(--c-text-light); white-space: nowrap; }
.batch-bar .batch-info b { color: var(--c-primary); font-size: 15px; }
.batch-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.batch-select { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--c-text-light); white-space: nowrap; }
.batch-select select { padding: 7px 34px 7px 10px; border: 1.5px solid var(--c-border); border-radius: var(--radius-btn); font-size: 13px; background: #fff; cursor: pointer;
  appearance: none; -webkit-appearance: none;
  background-image: 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='M3 4.5L6 7.5L9 4.5' fill='none' stroke='%23788593' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}
.batch-btn { padding: 8px 14px; background: var(--c-primary); color: #fff; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; white-space: nowrap; box-shadow: 0 2px 6px rgba(59,91,219,.22); }
.batch-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,.15); }
.batch-btn:active { transform: scale(.97); }
.batch-btn.danger { background: var(--c-error); box-shadow: 0 2px 6px rgba(59,91,219,.22); }
.batch-btn.danger:hover { box-shadow: 0 4px 12px rgba(0,0,0,.15); }
.batch-clear { padding: 8px 14px; border: 1.5px solid var(--c-border); border-radius: var(--radius-sm); font-size: 13px; color: var(--c-text-light); white-space: nowrap; }
.batch-clear:hover { background: var(--c-primary-light); border-color: var(--c-border); }
.batch-clear:active { transform: scale(.97); }

/* ===== Inline SVG Icons (lucide-style line icons) ===== */
.ic { width: 1em; height: 1em; display: inline-block; vertical-align: -0.15em; flex-shrink: 0; overflow: visible; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ic-nav { width: 18px; height: 18px; color: var(--c-nav-icon); }
.nav-link.active .ic-nav { color: #FFFFFF; }
.ic-stat { width: 20px; height: 20px; color: var(--c-primary); }
.ic-logout { width: 16px; height: 16px; color: var(--c-sidebar-muted); }
.ic-logout:hover { color: var(--c-sidebar-text); }
.ic-menu { width: 20px; height: 20px; color: var(--c-text); }
.ic-close { width: 16px; height: 16px; }
.ic-close:hover { color: #475569; }