:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --line-strong: #cbd5e1;
  --nav: #0b1220;
  --nav-soft: #111c31;
  --accent: #0891b2;
  --accent-deep: #0e7490;
  --accent-soft: #ecfeff;
  --success: #059669;
  --success-soft: #ecfdf5;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --warning: #d97706;
  --warning-soft: #fffbeb;
  --violet: #7c3aed;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.04);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-deep); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4, p { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
.icon { width: 18px; height: 18px; flex: 0 0 18px; }

/* ---------------------------------------------------------------- shell */
.app-shell { min-height: 100vh; }
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 248px;
  background: linear-gradient(180deg, var(--nav), #0a1526 70%, #07101d);
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  padding: 22px 14px 16px;
  z-index: 40;
}
.brand { display: flex; align-items: center; gap: 11px; padding: 0 8px 22px; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 12px;
  background: linear-gradient(135deg, #22d3ee, #0891b2);
  color: #06202a; font-weight: 800; font-size: 14px;
  display: grid; place-items: center; letter-spacing: -0.5px;
  box-shadow: 0 6px 16px rgba(34, 211, 238, 0.25);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { color: #f8fafc; font-size: 15px; letter-spacing: -0.2px; }
.brand-text span { color: #7c8ba1; font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; margin-top: 2px; }
.nav { display: flex; flex-direction: column; gap: 3px; overflow-y: auto; flex: 1; padding-right: 2px; }
.nav-label {
  color: #61718a; font-size: 10px; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; margin: 18px 10px 6px;
}
.nav-label:first-child { margin-top: 0; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  color: #aebacd; padding: 9px 10px; border-radius: 9px;
  font-size: 13px; font-weight: 500; border: 1px solid transparent;
}
.nav-item:hover { background: rgba(255, 255, 255, 0.05); color: #f1f5f9; text-decoration: none; }
.nav-item.active { background: rgba(34, 211, 238, 0.1); color: #67e8f9; border-color: rgba(34, 211, 238, 0.18); }
.nav-item .icon { opacity: 0.9; }
.sidebar-foot { border-top: 1px solid rgba(148, 163, 184, 0.14); padding: 14px 8px 2px; margin-top: 10px; }
.sidebar-note { display: flex; flex-direction: column; gap: 2px; }
.sidebar-note strong { color: #67e8f9; font-size: 15px; letter-spacing: 0.05em; }
.sidebar-note span { color: #64748b; font-size: 11px; }
.sidebar-backdrop { display: none; }

.app-main { margin-left: 248px; min-height: 100vh; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 28px; background: rgba(245, 247, 251, 0.9);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar h1 { font-size: 21px; letter-spacing: -0.35px; line-height: 1.2; }
.topbar-sub { color: var(--muted); font-size: 11.5px; margin-top: 2px; }
.topbar-sub .cat { color: var(--accent-deep); font-weight: 600; }
.topbar-right { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  position: relative; display: inline-grid; place-items: center;
  width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--surface); color: var(--muted); cursor: pointer;
}
.icon-btn:hover { color: var(--ink); border-color: var(--line-strong); text-decoration: none; }
.menu-btn { display: none; }
.notif-count {
  position: absolute; top: -5px; right: -5px; min-width: 17px; height: 17px; padding: 0 4px;
  border-radius: 9px; background: var(--danger); color: #fff; font-size: 10px; font-weight: 700;
  display: grid; place-items: center; border: 2px solid var(--bg);
}
.user-chip { display: flex; align-items: center; gap: 9px; padding: 4px 10px 4px 4px; border: 1px solid var(--line); border-radius: 11px; background: var(--surface); }
.avatar { width: 31px; height: 31px; border-radius: 9px; background: var(--accent-soft); color: var(--accent-deep); display: grid; place-items: center; font-weight: 700; font-size: 11.5px; }
.user-meta { display: flex; flex-direction: column; line-height: 1.15; }
.user-meta strong { font-size: 12px; }
.user-meta span { font-size: 10px; color: var(--muted); text-transform: capitalize; }
.logout-form { margin: 0; }
.content { width: 100%; max-width: 1460px; margin: 0 auto; padding: 24px 28px 34px; flex: 1; }
.app-footer { display: flex; justify-content: space-between; gap: 20px; padding: 14px 28px 22px; color: var(--muted); font-size: 11px; }

/* ---------------------------------------------------------------- items */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-pad { padding: 20px; }
.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; padding: 18px 20px 0; }
.card-head h2, .card-head h3 { font-size: 15px; letter-spacing: -0.2px; }
.card-head p { color: var(--muted); font-size: 12px; margin-top: 2px; }
.card-body { padding: 18px 20px 20px; }
.section { margin-bottom: 18px; }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin: 24px 0 12px; }
.section-head h2 { font-size: 16px; letter-spacing: -0.25px; }
.section-head p { color: var(--muted); font-size: 12px; margin-top: 2px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.tiny { font-size: 11px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 11.5px; }
.right { text-align: right; }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.spread { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.divider { height: 1px; background: var(--line); margin: 14px 0; }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 4px 9px; border-radius: 999px; background: var(--surface-soft); border: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }

/* ---------------------------------------------------------------- stats */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 17px 18px; box-shadow: var(--shadow); position: relative; overflow: hidden; }
.stat::after { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--accent); opacity: 0.85; }
.stat.green::after { background: var(--success); }
.stat.violet::after { background: var(--violet); }
.stat.amber::after { background: var(--warning); }
.stat-label { color: var(--muted); font-size: 11.5px; font-weight: 600; letter-spacing: 0.02em; }
.stat-value { font-size: 24px; font-weight: 750; letter-spacing: -0.7px; margin-top: 6px; line-height: 1.15; }
.stat-sub { color: var(--muted); font-size: 11px; margin-top: 5px; }
.stat-sub strong { color: var(--ink); font-weight: 600; }
.share-strip { display: flex; align-items: center; gap: 10px; }
.share-bar { height: 8px; border-radius: 999px; background: #e2e8f0; overflow: hidden; display: flex; flex: 1; }
.share-bar span { display: block; height: 100%; }

/* ---------------------------------------------------------------- banners */
.banner { display: flex; align-items: flex-start; gap: 11px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); padding: 13px 15px; margin-bottom: 16px; }
.banner .icon { margin-top: 1px; }
.banner h3 { font-size: 13px; }
.banner p { color: var(--muted); font-size: 12px; margin-top: 2px; }
.banner.warning { background: var(--warning-soft); border-color: #fde68a; }
.banner.danger { background: var(--danger-soft); border-color: #fecaca; }
.banner.success { background: var(--success-soft); border-color: #a7f3d0; }
.banner.info { background: var(--accent-soft); border-color: #a5f3fc; }

/* ---------------------------------------------------------------- grids */
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.grid-2-1 { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 16px; }
.platform-card { border-left: 4px solid var(--accent); }
.platform-card .platform-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.platform-card .platform-name { display: flex; align-items: center; gap: 8px; font-weight: 650; font-size: 13px; }
.platform-card .platform-total { font-size: 21px; font-weight: 750; letter-spacing: -0.6px; margin-top: 12px; }
.platform-card .platform-meta { display: flex; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 11px; margin-top: 5px; }

/* ---------------------------------------------------------------- charts */
.chart-wrap { position: relative; height: 285px; }
.chart-legend { display: flex; gap: 16px; color: var(--muted); font-size: 11px; }
.chart-legend span { display: inline-flex; align-items: center; gap: 6px; }

/* ---------------------------------------------------------------- tables */
.table-wrap { width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
th {
  text-align: left; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--muted); font-weight: 700; background: var(--surface-soft);
  padding: 10px 13px; border-bottom: 1px solid var(--line); white-space: nowrap;
}
td { padding: 11px 13px; border-bottom: 1px solid #eef2f7; vertical-align: middle; font-size: 12.5px; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #fbfdff; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
td.strong { font-weight: 650; }
.row-title { font-weight: 600; color: var(--ink); }
.row-sub { color: var(--muted); font-size: 11px; margin-top: 1px; }

/* ---------------------------------------------------------------- badges */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 8px; border-radius: 999px; font-size: 10.5px; font-weight: 650; letter-spacing: 0.01em; border: 1px solid transparent; white-space: nowrap; }
.badge.success { background: var(--success-soft); color: #047857; border-color: #a7f3d0; }
.badge.danger { background: var(--danger-soft); color: #b91c1c; border-color: #fecaca; }
.badge.warning { background: var(--warning-soft); color: #b45309; border-color: #fde68a; }
.badge.info { background: var(--accent-soft); color: var(--accent-deep); border-color: #a5f3fc; }
.badge.neutral { background: #f1f5f9; color: #475569; border-color: #e2e8f0; }
.badge.violet { background: #f5f3ff; color: #6d28d9; border-color: #ddd6fe; }

/* ---------------------------------------------------------------- forms */
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; }
.form-grid .full { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-size: 11.5px; font-weight: 650; color: #334155; }
.field .hint { font-size: 10.5px; color: var(--muted); }
.input, .select, .textarea {
  width: 100%; border: 1px solid var(--line-strong); background: #fff; border-radius: 9px;
  padding: 9px 11px; font-size: 13px; outline: none; transition: border-color 120ms ease, box-shadow 120ms ease;
}
.input:focus, .select:focus, .textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.12); }
.textarea { min-height: 92px; resize: vertical; }
.select { appearance: auto; }
.check { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: #334155; }
.check input { width: 15px; height: 15px; accent-color: var(--accent); }
.form-actions { display: flex; align-items: center; gap: 10px; margin-top: 15px; flex-wrap: wrap; }
.filters { display: flex; align-items: end; gap: 10px; flex-wrap: wrap; }
.filters .field { min-width: 150px; }
.filters .field.grow { min-width: 220px; flex: 1; }

/* ---------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  border: 1px solid transparent; border-radius: 9px; padding: 9px 14px;
  font-size: 12.5px; font-weight: 650; cursor: pointer; background: var(--accent); color: #fff;
  transition: filter 120ms ease, background 120ms ease;
}
.btn:hover { filter: brightness(0.95); text-decoration: none; }
.btn.secondary { background: var(--surface); color: #334155; border-color: var(--line-strong); }
.btn.secondary:hover { background: #f8fafc; }
.btn.ghost { background: transparent; color: var(--accent-deep); border-color: transparent; padding: 7px 9px; }
.btn.ghost:hover { background: var(--accent-soft); }
.btn.danger { background: var(--danger); }
.btn.warning { background: var(--warning); }
.btn.success { background: var(--success); }
.btn.sm { padding: 6px 10px; font-size: 11.5px; border-radius: 8px; }
.btn.block { width: 100%; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.link { color: var(--accent-deep); font-weight: 600; }
.link:hover { text-decoration: underline; }
.inline-form { display: inline-flex; align-items: center; gap: 6px; margin: 0; }

/* ---------------------------------------------------------------- flash */
.flash-stack { display: flex; flex-direction: column; gap: 9px; margin-bottom: 16px; }
.flash { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; padding: 11px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); font-size: 12.5px; }
.flash-success { background: var(--success-soft); border-color: #a7f3d0; color: #065f46; }
.flash-error { background: var(--danger-soft); border-color: #fecaca; color: #991b1b; }
.flash-warning { background: var(--warning-soft); border-color: #fde68a; color: #92400e; }
.flash-info { background: var(--accent-soft); border-color: #a5f3fc; color: #155e75; }
.flash-close { border: 0; background: transparent; color: inherit; font-size: 18px; line-height: 1; cursor: pointer; opacity: 0.65; }

/* ---------------------------------------------------------------- pagination */
.pagination { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 13px; color: var(--muted); font-size: 12px; }
.pagination .pages { display: flex; gap: 6px; align-items: center; }
.pagination .page-link { min-width: 30px; height: 30px; padding: 0 8px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: #334155; }
.pagination .page-link.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.pagination .page-link:hover { text-decoration: none; border-color: var(--line-strong); }

/* ---------------------------------------------------------------- empty */
.empty { text-align: center; padding: 38px 18px; color: var(--muted); }
.empty .icon { width: 30px; height: 30px; margin-bottom: 8px; opacity: 0.5; }
.empty h3 { color: var(--ink); font-size: 14px; margin-bottom: 3px; }
.empty p { font-size: 12px; }

/* ---------------------------------------------------------------- login */
.auth-body { min-height: 100vh; display: grid; place-items: center; background: radial-gradient(1100px 600px at 15% -10%, #164e63 0%, transparent 55%), radial-gradient(900px 500px at 110% 110%, #312e81 0%, transparent 55%), #070d18; padding: 22px; }
.auth-card { width: 100%; max-width: 420px; background: #fff; border-radius: 18px; box-shadow: 0 30px 80px rgba(2, 6, 23, 0.45); padding: 30px; }
.auth-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 22px; }
.auth-brand .brand-mark { width: 42px; height: 42px; border-radius: 13px; }
.auth-brand strong { display: block; font-size: 15px; }
.auth-brand span { display: block; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; }
.auth-card h1 { font-size: 23px; letter-spacing: -0.5px; margin-bottom: 4px; }
.auth-card .lede { color: var(--muted); font-size: 12.5px; margin-bottom: 20px; }
.auth-error { background: var(--danger-soft); border: 1px solid #fecaca; color: #991b1b; border-radius: 9px; padding: 10px 12px; font-size: 12px; margin-bottom: 15px; }
.auth-foot { margin-top: 18px; color: #94a3b8; font-size: 11px; text-align: center; }
.auth-card .field { margin-bottom: 12px; }
.auth-card .btn { margin-top: 4px; }
.qr { display: block; margin: 12px auto; border: 1px solid var(--line); border-radius: 12px; background: #fff; padding: 8px; }
.code-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin: 12px 0; }
.code-list code { background: var(--surface-soft); border: 1px solid var(--line); border-radius: 7px; padding: 7px 9px; text-align: center; letter-spacing: 0.06em; font-size: 12px; }

/* ---------------------------------------------------------------- agreement */
.terms { white-space: pre-wrap; color: #334155; font-size: 12.5px; line-height: 1.65; }
.party-list { display: flex; flex-direction: column; gap: 9px; }
.party { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 13px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-soft); }
.party .name { font-weight: 650; }
.party .email { color: var(--muted); font-size: 11px; }
.party .share { font-size: 16px; font-weight: 750; letter-spacing: -0.3px; color: var(--accent-deep); }
.doc-box { border: 1px dashed var(--line-strong); border-radius: 11px; padding: 14px; background: var(--surface-soft); }
details.editor { border: 1px solid var(--line); border-radius: 11px; background: var(--surface); margin-top: 12px; }
details.editor > summary { cursor: pointer; padding: 13px 15px; font-weight: 650; font-size: 12.5px; color: #334155; }
details.editor > div { padding: 0 15px 15px; }

/* ---------------------------------------------------------------- statement */
.statement-sheet { max-width: 940px; margin: 0 auto; }
.statement-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.statement-head h2 { font-size: 22px; letter-spacing: -0.5px; }
.statement-meta { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 18px 0; }
.meta-box { background: var(--surface-soft); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.meta-box span { display: block; color: var(--muted); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.06em; }
.meta-box strong { display: block; margin-top: 4px; font-size: 15px; }
.hash { word-break: break-all; color: #94a3b8; font-size: 10px; }

/* ---------------------------------------------------------------- print */
@media print {
  .sidebar, .topbar, .app-footer, .no-print, .flash-stack { display: none !important; }
  .app-main { margin-left: 0; }
  .content { padding: 0; max-width: none; }
  body { background: #fff; }
  .card { box-shadow: none; border: 0; }
  .statement-sheet { max-width: none; }
  .table-wrap { border: 0; }
  table { min-width: 0; }
}

/* ---------------------------------------------------------------- responsive */
@media (max-width: 1180px) {
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 920px) {
  .sidebar { transform: translateX(-100%); transition: transform 180ms ease; }
  body.nav-open .sidebar { transform: translateX(0); }
  body.nav-open .sidebar-backdrop { display: block; position: fixed; inset: 0; background: rgba(2, 6, 23, 0.5); z-index: 35; }
  .app-main { margin-left: 0; }
  .menu-btn { display: inline-grid; }
  .topbar { padding: 12px 16px; }
  .content { padding: 18px 16px 28px; }
  .app-footer { padding: 12px 16px 18px; }
  .grid-2, .grid-2-1, .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .stats { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .topbar h1 { font-size: 17px; }
  .topbar-sub { display: none; }
  .user-meta { display: none; }
  .user-chip { padding: 3px; }
  .statement-meta { grid-template-columns: 1fr; }
  .filters .field { min-width: 100%; }
  .auth-card { padding: 22px; }
}