:root {
  --ink: #12263A;
  --ink-soft: #4a5568;
  --teal: #1A6B6B;
  --teal-dark: #134f4f;
  --teal-soft: #e8f4f4;
  --sand: #F6F0E8;
  --sand-deep: #ebe3d6;
  --line: #e4d9c8;
  --paper: #ffffff;
  --danger: #b42318;
  --danger-bg: #fef3f2;
  --warn: #b54708;
  --warn-bg: #fffaeb;
  --ok: #067647;
  --ok-bg: #ecfdf3;
  --muted: #667085;
  --muted-bg: #f2f4f7;
  --shadow: 0 10px 30px rgba(18, 38, 58, 0.06);
  --radius: 12px;
  --sidebar: 248px;
  --font: "DM Sans", system-ui, sans-serif;
  --display: "Fraunces", Georgia, serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(26,107,107,.12), transparent 55%),
    linear-gradient(180deg, #f8f4ee 0%, var(--sand) 40%, #f3eee6 100%);
  min-height: 100vh;
}

a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar);
  flex-shrink: 0;
  background: linear-gradient(180deg, #0f3d3d 0%, #134f4f 55%, #1A6B6B 100%);
  color: #e8f4f4;
  padding: 22px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.sidebar-brand { padding: 4px 10px 22px; }
.sidebar-brand .eyebrow {
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  opacity: .75;
  margin-bottom: 4px;
}
.sidebar-brand h1 {
  font-family: var(--display);
  font-size: 1.25rem;
  margin: 0;
  line-height: 1.25;
  color: #fff;
}
.sidebar-brand p { margin: 6px 0 0; font-size: .78rem; opacity: .7; }
.nav-section { margin: 8px 0 18px; }
.nav-section-title {
  font-size: .65rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  opacity: .55;
  padding: 0 10px 8px;
}
.nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #d7ecec;
  padding: 9px 12px;
  border-radius: 8px;
  margin-bottom: 2px;
  font-size: .9rem;
  text-decoration: none;
}
.nav a:hover, .nav a.is-active {
  background: rgba(255,255,255,.12);
  color: #fff;
  text-decoration: none;
}
.nav .badge-count {
  margin-left: auto;
  background: #c4783a;
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 999px;
}

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.65);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar-title h2 {
  font-family: var(--display);
  font-size: 1.35rem;
  margin: 0;
}
.topbar-title p { margin: 2px 0 0; color: var(--ink-soft); font-size: .85rem; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.user-chip {
  display: flex; align-items: center; gap: 8px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px 4px 4px;
  font-size: .85rem;
}
.content { padding: 24px; }

.flash {
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: .92rem;
}
.flash-success { background: var(--ok-bg); color: var(--ok); border: 1px solid #abefc6; }
.flash-error { background: var(--danger-bg); color: var(--danger); border: 1px solid #fecdca; }
.flash-info { background: var(--teal-soft); color: var(--teal-dark); border: 1px solid #b7dede; }

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

.stat-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow);
}
.stat-card .label { font-size: .75rem; color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }
.stat-card .value { font-family: var(--display); font-size: 1.65rem; margin-top: 6px; }
.stat-card.danger .value { color: var(--danger); }
.stat-card.warn .value { color: var(--warn); }
.stat-card.ok .value { color: var(--ok); }
.stat-card.teal .value { color: var(--teal); }

.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #fff, #fbf8f3);
}
.panel-head h3 { margin: 0; font-size: 1rem; font-family: var(--display); }
.panel-body { padding: 18px; }

.table-wrap { overflow-x: auto; }
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}
table.data th, table.data td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}
table.data th {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  background: #faf7f2;
  white-space: nowrap;
}
table.data tr:hover td { background: #fcfaf7; }
table.data .cell-user { display: flex; align-items: center; gap: 10px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 8px 14px;
  font: inherit;
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  background: var(--teal);
  color: #fff;
}
.btn:hover { background: var(--teal-dark); text-decoration: none; color: #fff; }
.btn-secondary { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-secondary:hover { background: var(--sand); color: var(--ink); }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #912018; }
.btn-sm { padding: 5px 10px; font-size: .8rem; }
.btn-ghost { background: transparent; color: var(--teal); border-color: transparent; }
.btn-ghost:hover { background: var(--teal-soft); color: var(--teal-dark); }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .02em;
}
.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-warn { background: var(--warn-bg); color: var(--warn); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-muted { background: var(--muted-bg); color: var(--muted); }
.badge-info { background: var(--teal-soft); color: var(--teal-dark); }

.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 16px; }
.form-grid .full { grid-column: 1 / -1; }
.form-group label {
  display: block;
  font-size: .78rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink-soft);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  background: #fff;
}
.form-group textarea { min-height: 90px; resize: vertical; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 2px solid rgba(26,107,107,.25);
  border-color: var(--teal);
}
.form-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.help { font-size: .78rem; color: var(--muted); margin-top: 4px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; margin-top: 28px; }
.checkbox-row input { width: auto; }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
  align-items: end;
}
.filters .form-group { margin: 0; min-width: 140px; }
.filters input, .filters select { min-width: 140px; }

.avatar-img, .avatar-fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}
.avatar-fallback {
  color: #fff;
  font-weight: 700;
}

.client-hero {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 20px;
  background: linear-gradient(135deg, #fff 0%, #f3faf9 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 18px;
}
.client-hero .meta { flex: 1; min-width: 0; }
.client-hero h1 { font-family: var(--display); margin: 0 0 6px; font-size: 1.7rem; }
.client-hero .muted { color: var(--ink-soft); font-size: .92rem; }
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 6px 12px; font-size: .9rem; margin-top: 12px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.tabs { display: flex; gap: 4px; flex-wrap: wrap; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.tabs a {
  padding: 10px 14px;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  font-weight: 600;
  font-size: .9rem;
  text-decoration: none;
}
.tabs a:hover { color: var(--teal); }
.tabs a.is-active { color: var(--teal); border-bottom-color: var(--teal); }

.pagination { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 16px; }
.pagination a {
  min-width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  text-decoration: none;
  font-size: .85rem;
}
.pagination a.is-active { background: var(--teal); color: #fff; border-color: var(--teal); }

.empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--muted);
}
.empty strong { display: block; color: var(--ink); margin-bottom: 6px; }

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(135deg, rgba(15,61,61,.92), rgba(26,107,107,.85)),
    radial-gradient(circle at 80% 20%, rgba(196,120,58,.35), transparent 40%);
}
.login-card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 24px 60px rgba(0,0,0,.2);
}
.login-card .brand {
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--teal);
  font-size: .72rem;
  font-weight: 700;
}
.login-card h1 {
  font-family: var(--display);
  margin: 8px 0 6px;
  font-size: 1.8rem;
}
.login-card .sub { color: var(--ink-soft); margin: 0 0 22px; }

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}
.cal-head { text-align: center; font-size: .75rem; color: var(--muted); padding: 6px; font-weight: 700; }
.cal-day {
  min-height: 88px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px;
  font-size: .78rem;
}
.cal-day.muted { opacity: .45; background: #faf7f2; }
.cal-day .num { font-weight: 700; margin-bottom: 4px; }
.cal-event {
  display: block;
  background: var(--teal-soft);
  color: var(--teal-dark);
  border-radius: 4px;
  padding: 2px 4px;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-decoration: none;
}
.cal-event.expired { background: var(--danger-bg); color: var(--danger); }
.cal-event.soon { background: var(--warn-bg); color: var(--warn); }

.notif-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.notif-item.unread { background: #f7fcfc; margin: 0 -18px; padding-left: 18px; padding-right: 18px; }
.notif-item .time { color: var(--muted); font-size: .78rem; white-space: nowrap; }

.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
  border-radius: 8px;
  padding: 6px 10px;
}

@media (max-width: 1100px) {
  .grid-6 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .sidebar {
    position: fixed;
    left: -280px;
    z-index: 40;
    transition: left .2s ease;
  }
  .sidebar.is-open { left: 0; }
  .mobile-toggle { display: inline-flex; }
  .form-grid, .grid-2, .grid-3, .grid-4, .grid-6 { grid-template-columns: 1fr; }
  .client-hero { flex-direction: column; }
  .calendar-grid { grid-template-columns: repeat(2, 1fr); }
  .cal-head { display: none; }
}