:root {
  --bg: #eef4ff;
  --bg-soft: #f7faff;
  --panel: rgba(255,255,255,.92);
  --panel-strong: #ffffff;
  --text: #1b2940;
  --muted: #687790;
  --line: rgba(71, 98, 149, 0.14);
  --primary: #2f6df6;
  --primary-2: #10b3ff;
  --accent: #7d5cff;
  --success: #1e9a5e;
  --warning: #d48918;
  --danger: #d64a57;
  --shadow: 0 20px 50px rgba(48, 79, 140, 0.12);
  --radius: 24px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(16,179,255,.18), transparent 24%),
    radial-gradient(circle at top left, rgba(125,92,255,.12), transparent 25%),
    linear-gradient(180deg, #f8fbff 0%, #eef4ff 42%, #eaf1fc 100%);
  color: var(--text);
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
strong { font-weight: 700; }
small { font-size: .86rem; }

.guest-body { display: grid; min-height: 100vh; place-items: center; padding: 32px 16px; }
.guest-shell { width: min(1100px, 100%); }
.login-card {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  overflow: hidden;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 34px;
  box-shadow: var(--shadow);
}
.login-side {
  padding: 42px;
  background:
    linear-gradient(135deg, rgba(47,109,246,.95), rgba(16,179,255,.84)),
    linear-gradient(180deg, #24439f, #1d6fe3);
  color: white;
}
.eyebrow {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.18);
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.login-side h1 { font-size: clamp(2rem, 4vw, 3.2rem); margin: 18px 0 14px; line-height: 1.02; }
.login-side p { margin: 0 0 20px; color: rgba(255,255,255,.88); line-height: 1.7; }
.feature-list { list-style: none; padding: 0; margin: 0 0 26px; display: grid; gap: 12px; }
.feature-list li {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.18);
}
.demo-box {
  padding: 18px 20px;
  border-radius: 20px;
  background: rgba(6, 13, 36, 0.24);
  border: 1px solid rgba(255,255,255,.16);
}
.demo-box p { margin: 8px 0 0; }
.login-form-wrap { padding: 42px; display: grid; align-items: center; }

.app-shell {
  display: grid;
  grid-template-columns: 300px 1fr;
  min-height: 100vh;
}
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 24px 18px;
  background: rgba(17, 34, 69, 0.95);
  backdrop-filter: blur(14px);
  border-right: 1px solid rgba(255,255,255,.08);
  color: white;
  overflow-y: auto;
}
.brand-block {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border-radius: 24px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.08);
  margin-bottom: 22px;
}
.brand-mark {
  width: 56px; height: 56px; border-radius: 18px;
  display: grid; place-items: center;
  font-size: 1.2rem; font-weight: 900;
  background: linear-gradient(135deg, #58d8ff, #5f6fff 58%, #7d5cff);
  box-shadow: 0 16px 26px rgba(88, 216, 255, 0.22);
}
.brand-block strong { display: block; font-size: 1.05rem; }
.brand-block small { color: rgba(255,255,255,.66); }
.sidebar-nav { display: grid; gap: 8px; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 16px;
  color: rgba(255,255,255,.88);
  transition: .2s ease;
}
.nav-link:hover, .nav-link.active {
  background: linear-gradient(90deg, rgba(88,216,255,.18), rgba(95,111,255,.18));
  color: white;
  transform: translateX(2px);
}
.nav-link.muted { opacity: .4; cursor: default; }
.nav-caption {
  margin: 16px 10px 6px;
  color: rgba(255,255,255,.54);
  text-transform: uppercase;
  font-size: .72rem;
  letter-spacing: .12em;
}
.sidebar-card {
  margin-top: 22px;
  padding: 16px;
  border-radius: 20px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.08);
  display: grid;
  gap: 6px;
}
.sidebar-card-label { color: rgba(255,255,255,.58); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.main-area { min-width: 0; display: grid; grid-template-rows: auto 1fr; }
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 24px 28px 8px;
}
.topbar-left { display: flex; align-items: center; gap: 14px; }
.topbar h1 { margin: 0; font-size: clamp(1.4rem, 2.1vw, 2.2rem); }
.topbar p { margin: 6px 0 0; color: var(--muted); }
.content-area { padding: 18px 28px 30px; display: grid; gap: 22px; }
.menu-toggle {
  display: none; place-items: center;
  width: 44px; height: 44px; border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.8);
  color: var(--text); font-size: 1.1rem;
}
.logout-form { margin-left: auto; }

.card, .soft-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card { padding: 22px; }
.card-head { margin-bottom: 18px; }
.card-head h2 { margin: 0; font-size: 1.18rem; }
.card-head p { margin: 8px 0 0; color: var(--muted); line-height: 1.65; }
.card-head-between {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.switch-banner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding: 18px 20px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(255,207,95,.22), rgba(255,166,0,.12));
  border: 1px solid rgba(212, 137, 24, 0.24);
  box-shadow: 0 16px 40px rgba(212, 137, 24, 0.12);
}
.switch-banner p { margin: 8px 0 0; color: #73532d; line-height: 1.7; }

.grid-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.stat-card {
  position: relative;
  overflow: hidden;
  padding: 20px;
}
.stat-card::after {
  content: "";
  position: absolute; inset: auto -40px -50px auto;
  width: 120px; height: 120px; border-radius: 50%;
  background: rgba(255,255,255,.28);
}
.stat-card span { display: block; color: var(--muted); margin-bottom: 10px; }
.stat-card strong { display: block; font-size: clamp(1.25rem, 1.8vw, 2rem); }
.stat-card small { display: block; margin-top: 8px; color: rgba(23,38,63,.68); }
.stat-card.primary { background: linear-gradient(135deg, rgba(47,109,246,.16), rgba(16,179,255,.16)); }
.stat-card.success { background: linear-gradient(135deg, rgba(30,154,94,.16), rgba(124, 220, 166, .18)); }
.stat-card.accent { background: linear-gradient(135deg, rgba(125,92,255,.16), rgba(195,180,255,.18)); }
.stat-card.warning { background: linear-gradient(135deg, rgba(212,137,24,.16), rgba(255,216,114,.2)); }

.quick-grid, .summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.quick-link {
  display: block;
  padding: 18px;
  border-radius: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.quick-link strong { display: block; margin-bottom: 8px; }
.quick-link span { color: var(--muted); font-size: .92rem; }
.soft-card { padding: 18px; }
.soft-card span { display: block; color: var(--muted); margin-bottom: 8px; }
.soft-card strong { display: block; font-size: 1.25rem; }
.soft-card small { display: block; margin-top: 8px; color: var(--muted); }

.two-columns, .detail-columns, .profile-columns {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: 22px;
  align-items: start;
}
.timeline { display: grid; gap: 12px; }
.timeline-item {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(47,109,246,.05);
  border: 1px solid rgba(47,109,246,.1);
  display: grid; gap: 4px;
}
.timeline-item span, .timeline-item small { color: var(--muted); }
.notice-card p { margin: 0; line-height: 1.7; color: #334563; }

.table-wrap { width: 100%; overflow-x: auto; }
.table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}
.table th, .table td {
  padding: 14px 12px;
  text-align: left;
  border-bottom: 1px solid rgba(71, 98, 149, 0.10);
  vertical-align: top;
}
.table thead th {
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #6e7e9d;
}
.table-subtext { color: var(--muted); font-size: .84rem; margin-top: 4px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.badge {
  display: inline-flex;
  padding: 7px 11px;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 600;
  background: rgba(47,109,246,.12);
  color: #2358d6;
}
.badge-active, .badge-paid, .badge-approved { background: rgba(30,154,94,.14); color: #17724a; }
.badge-inactive, .badge-pending, .badge-partial { background: rgba(212,137,24,.16); color: #9a650f; }
.badge-blocked, .badge-cancelled, .badge-late, .badge-overdue, .badge-rejected { background: rgba(214,74,87,.14); color: #a83140; }
.badge-completed { background: rgba(47,109,246,.14); color: #2358d6; }

.filter-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  margin-bottom: 18px;
  align-items: end;
}
.filter-grid-3 { grid-template-columns: minmax(0, 1.5fr) minmax(220px, .9fr) auto; }
.align-end { align-items: end; }

.panel-form { display: grid; gap: 18px; }
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.field-span-2 { grid-column: span 2; }
.field { display: grid; gap: 8px; }
.field label { font-size: .9rem; font-weight: 600; color: #314465; }
input, select, textarea {
  width: 100%;
  border: 1px solid rgba(71, 98, 149, 0.18);
  border-radius: 16px;
  background: white;
  padding: 13px 14px;
  font: inherit;
  color: var(--text);
  outline: none;
  transition: .2s ease;
}
input:focus, select:focus, textarea:focus {
  border-color: rgba(47,109,246,.44);
  box-shadow: 0 0 0 4px rgba(47,109,246,.1);
}
textarea { resize: vertical; min-height: 110px; }
.error-text { color: var(--danger); }
.form-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.switch-line { display: inline-flex; align-items: center; gap: 10px; }
.check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.check-card {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 14px;
  border-radius: 18px;
  background: rgba(47,109,246,.04);
  border: 1px solid rgba(47,109,246,.1);
}

.detail-list { display: grid; gap: 10px; }
.detail-list > div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(71, 98, 149, 0.08);
}
.detail-list span { color: var(--muted); }
.note-box {
  margin-top: 16px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(47,109,246,.05);
  border: 1px solid rgba(47,109,246,.1);
}
.note-box p { margin: 8px 0 0; line-height: 1.7; color: #36506d; }
.empty-state, .empty-state.small { text-align: center; color: var(--muted); padding: 30px 12px; }

.alert {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid transparent;
}
.alert-success { background: rgba(30,154,94,.12); border-color: rgba(30,154,94,.18); color: #116541; }
.alert-error { background: rgba(214,74,87,.12); border-color: rgba(214,74,87,.18); color: #8e2c38; }
.alert-warning { background: rgba(212,137,24,.12); border-color: rgba(212,137,24,.18); color: #85570d; }

.btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  border-radius: 16px;
  padding: 11px 16px;
  font: inherit;
  font-weight: 700;
  transition: .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 14px 26px rgba(47,109,246,.18);
}
.btn-outline {
  background: rgba(255,255,255,.85);
  border: 1px solid rgba(71, 98, 149, 0.16);
  color: var(--text);
}
.btn-danger { background: rgba(214,74,87,.12); color: #a83140; border: 1px solid rgba(214,74,87,.18); }
.btn-warning { background: rgba(212,137,24,.14); color: #85570d; border: 1px solid rgba(212,137,24,.22); }
.btn-sm { padding: 8px 12px; border-radius: 12px; font-size: .85rem; }
.btn-block { width: 100%; }

@media (max-width: 1200px) {
  .grid-cards, .quick-grid, .summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .two-columns, .detail-columns, .profile-columns { grid-template-columns: 1fr; }
}
@media (max-width: 960px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(84vw, 300px);
    transform: translateX(-100%);
    z-index: 30;
    transition: .25s ease;
  }
  .sidebar.open { transform: translateX(0); }
  .menu-toggle { display: inline-grid; }
  .topbar { padding: 18px 18px 8px; align-items: flex-start; flex-wrap: wrap; }
  .content-area { padding: 16px 18px 28px; }
  .form-grid, .check-grid, .login-card, .filter-bar, .filter-grid-3 { grid-template-columns: 1fr; }
  .field-span-2 { grid-column: span 1; }
  .switch-banner { flex-direction: column; align-items: stretch; }
}
@media (max-width: 640px) {
  .grid-cards, .quick-grid, .summary-grid { grid-template-columns: 1fr; }
  .card, .soft-card, .login-card { border-radius: 24px; }
  .login-side, .login-form-wrap { padding: 28px 22px; }
  .table { min-width: 560px; }
  .topbar .logout-form { width: 100%; }
  .topbar .logout-form .btn { width: 100%; }
  .detail-list > div { flex-direction: column; }
  .card-head-between { flex-direction: column; align-items: stretch; }
}