:root {
  --brand-900: #16234f;
  --brand-700: #1f3d8f;
  --brand-600: #2b52b3;
  --brand-500: #3565d6;
  --brand-100: #e7edfc;
  --brand-50: #f4f7fe;
  --ink: #1c2333;
  --ink-soft: #4b5468;
  --border: #dfe4f0;
  --bg: #f6f7fb;
  --white: #ffffff;
  --success: #1c7d4d;
  --success-bg: #e4f5ec;
  --warning: #9a6a00;
  --warning-bg: #fdf1da;
  --danger: #b3261e;
  --danger-bg: #fdeceb;
  --neutral: #5b6478;
  --neutral-bg: #eceef4;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}

a { color: var(--brand-600); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 20px 64px;
}

/* Topbar */
.topbar {
  background: linear-gradient(135deg, var(--brand-900), var(--brand-700));
  color: white;
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: white;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.2px;
}
.brand-logo { height: 34px; width: 34px; object-fit: contain; display: block; flex: none; }
.brand-sub { font-weight: 400; opacity: 0.8; }
.brand:hover { text-decoration: none; opacity: 0.92; }

.nav-toggle {
  display: none;
  background: rgba(255,255,255,0.12);
  border: none;
  color: white;
  font-size: 1.1rem;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}
.main-nav a {
  color: rgba(255,255,255,0.85);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 500;
}
.main-nav a:hover { background: rgba(255,255,255,0.12); text-decoration: none; color: white; }
.main-nav a.active { background: rgba(255,255,255,0.2); color: white; }
.main-nav a.nav-logout { margin-left: 6px; border: 1px solid rgba(255,255,255,0.35); }

/* Typography */
h1 { font-size: 1.7rem; margin: 0 0 4px; color: var(--brand-900); }
h2 { font-size: 1.25rem; margin: 0 0 12px; color: var(--brand-900); }
h3 { font-size: 1.05rem; margin: 0 0 10px; color: var(--brand-800, var(--brand-700)); }
.subtitle { color: var(--ink-soft); margin: 0 0 24px; font-size: 1.05rem; }
.page-head { margin-bottom: 24px; }
.section-intro { color: var(--ink-soft); margin: -6px 0 16px; font-size: 0.95rem; }

/* Cards / grid */
.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 800px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-block; }
  .main-nav { display: none; width: 100%; flex-direction: column; align-items: stretch; padding-top: 8px; }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 10px 12px; }
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 1px 2px rgba(20,30,60,0.04);
}
.card-link { display: block; }
.card-link:hover { text-decoration: none; border-color: var(--brand-500); box-shadow: 0 4px 14px rgba(30,60,140,0.10); }
.card h3 { margin-bottom: 6px; }
.card p { color: var(--ink-soft); margin: 0; font-size: 0.92rem; }

/* Badges / status */
.badge {
  display: inline-block;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}
.badge-neutral { background: var(--neutral-bg); color: var(--neutral); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-success { background: var(--success-bg); color: var(--success); }

/* Flash messages */
.flash { padding: 12px 16px; border-radius: 10px; margin-bottom: 20px; font-weight: 500; }
.flash-success { background: var(--success-bg); color: var(--success); border: 1px solid #bfe6cf; }
.flash-error { background: var(--danger-bg); color: var(--danger); border: 1px solid #f3c6c2; }

/* Forms */
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 0.86rem; font-weight: 600; color: var(--ink-soft); margin-bottom: 5px; }
.field input[type=text], .field input[type=email], .field input[type=password], .field select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 9px;
  font-size: 0.96rem;
  background: var(--white);
  color: var(--ink);
}
.field input:focus, .field select:focus { outline: 2px solid var(--brand-500); outline-offset: 1px; border-color: var(--brand-500); }
.field-error { color: var(--danger); font-size: 0.82rem; margin-top: 4px; }
.person-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 700px) { .person-grid { grid-template-columns: 1fr; } }

.slot-block { border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin-bottom: 16px; background: var(--brand-50); }
.slot-block h4 { margin: 0 0 12px; font-size: 0.98rem; color: var(--brand-900); }
.optional-tag { font-weight: 400; color: var(--ink-soft); font-size: 0.82rem; }

.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 10px;
  border: none;
  font-weight: 600;
  font-size: 0.96rem;
  cursor: pointer;
  background: var(--brand-600);
  color: white;
}
.btn:hover { background: var(--brand-700); text-decoration: none; color: white; }
.btn-secondary { background: var(--neutral-bg); color: var(--ink); }
.btn-secondary:hover { background: #dfe3ee; color: var(--ink); }
.btn-danger { background: var(--danger-bg); color: var(--danger); }
.btn-danger:hover { background: #fadbd8; color: var(--danger); }
.btn-sm { padding: 7px 14px; font-size: 0.85rem; }
.btn-block { width: 100%; }
.actions-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 18px; }

/* Login */
.login-wrap { max-width: 400px; margin: 8vh auto; }
.login-card { padding: 32px; }
.login-logo { display: block; height: 72px; width: 72px; object-fit: contain; margin: 0 auto 14px; }
.login-card h1 { text-align: center; margin-bottom: 6px; }
.login-card .subtitle { text-align: center; margin-bottom: 26px; }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: white; }
table { border-collapse: collapse; width: 100%; min-width: 640px; }
th, td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
th { background: var(--brand-50); color: var(--brand-900); font-weight: 700; white-space: nowrap; }
tr:last-child td { border-bottom: none; }
td.num { text-align: center; }

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 18px; }
.toolbar input[type=search], .toolbar select {
  padding: 9px 12px; border: 1px solid var(--border); border-radius: 9px; font-size: 0.9rem;
}

.stat-row { display: flex; gap: 24px; flex-wrap: wrap; margin-bottom: 22px; }
.stat { background: white; border: 1px solid var(--border); border-radius: 12px; padding: 14px 20px; min-width: 130px; }
.stat .num { font-size: 1.6rem; font-weight: 700; color: var(--brand-800, var(--brand-700)); }
.stat .label { font-size: 0.82rem; color: var(--ink-soft); }

/* Export lists */
.export-group { margin-bottom: 28px; }
.export-list { display: flex; flex-wrap: wrap; gap: 10px; }
.export-item {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  border: 1px solid var(--border); background: white; border-radius: 10px;
  padding: 12px 14px; min-width: 240px; flex: 1 1 240px;
}
.export-item .count { font-size: 0.8rem; color: var(--ink-soft); }

/* Documents */
.doc-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.doc-row:last-child { border-bottom: none; }
.doc-meta { font-size: 0.82rem; color: var(--ink-soft); }
.doc-actions { display: flex; gap: 8px; }
.dropzone { border: 2px dashed var(--border); border-radius: 12px; padding: 20px; text-align: center; color: var(--ink-soft); margin-bottom: 16px; }

.helper-text { color: var(--ink-soft); font-size: 0.85rem; }
.site-footer { text-align: center; color: var(--ink-soft); font-size: 0.82rem; padding: 30px 0; }