/* ============================================================
   Fincas SaaS — Design System 2026
   ============================================================ */

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --bg: #f6f7fb;
  --bg-elevated: #ffffff;
  --bg-subtle: #eef0f6;
  --bg-hover: #f1f2f8;
  --border: #e4e6ef;
  --border-strong: #d3d6e3;

  --text: #14161f;
  --text-muted: #62677a;
  --text-faint: #9297a8;

  --brand: #4f46e5;
  --brand-hover: #4338ca;
  --brand-soft: #eef0ff;
  --brand-text: #4338ca;

  --accent: #0ea5e9;

  --success: #0f9d58;
  --success-soft: #e6f6ec;
  --warning: #d97706;
  --warning-soft: #fef3e0;
  --danger: #dc2626;
  --danger-soft: #fdeaea;
  --info: #2563eb;
  --info-soft: #e8f0fe;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 2px rgba(20, 22, 31, 0.05);
  --shadow-md: 0 4px 16px rgba(20, 22, 31, 0.07);
  --shadow-lg: 0 12px 40px rgba(20, 22, 31, 0.12);

  --sidebar-w: 264px;
  --topbar-h: 68px;

  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #0d0e14;
  --bg-elevated: #15161f;
  --bg-subtle: #1b1c28;
  --bg-hover: #20212f;
  --border: #262838;
  --border-strong: #33354a;

  --text: #f1f2f8;
  --text-muted: #a3a7bd;
  --text-faint: #6c7086;

  --brand: #6366f1;
  --brand-hover: #818cf8;
  --brand-soft: #1e1f3a;
  --brand-text: #a5b4fc;

  --success-soft: #0f2a1d;
  --warning-soft: #2e2308;
  --danger-soft: #31161a;
  --info-soft: #101f38;

  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d0e14;
    --bg-elevated: #15161f;
    --bg-subtle: #1b1c28;
    --bg-hover: #20212f;
    --border: #262838;
    --border-strong: #33354a;
    --text: #f1f2f8;
    --text-muted: #a3a7bd;
    --text-faint: #6c7086;
    --brand: #6366f1;
    --brand-hover: #818cf8;
    --brand-soft: #1e1f3a;
    --brand-text: #a5b4fc;
    --success-soft: #0f2a1d;
    --warning-soft: #2e2308;
    --danger-soft: #31161a;
    --info-soft: #101f38;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background-color .2s ease, color .2s ease;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 650; letter-spacing: -0.01em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; }

/* ---------- Layout ---------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; bottom: 0; left: 0;
  z-index: 40;
  transition: transform .25s ease;
}
.sidebar-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--border);
  min-height: var(--topbar-h);
}
.sidebar-brand .logo-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 15px;
  flex-shrink: 0;
}
.sidebar-brand span { font-weight: 700; font-size: 15.5px; }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 14px 12px; }
.nav-group { margin-bottom: 18px; }
.nav-group-label {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .06em; color: var(--text-faint);
  padding: 6px 10px 8px;
}
.nav-link {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 12px; border-radius: var(--radius-sm);
  color: var(--text-muted); font-weight: 550; font-size: 13.8px;
  margin-bottom: 2px;
  transition: background .15s ease, color .15s ease;
}
.nav-link svg { width: 18px; height: 18px; flex-shrink: 0; }
.nav-link:hover { background: var(--bg-hover); color: var(--text); }
.nav-link.active { background: var(--brand-soft); color: var(--brand-text); }

.sidebar-footer { padding: 14px; border-top: 1px solid var(--border); }
.user-chip {
  display: flex; align-items: center; gap: 10px;
  padding: 8px; border-radius: var(--radius-md);
}
.user-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--brand-soft); color: var(--brand-text);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; flex-shrink: 0;
}
.user-chip .meta { min-width: 0; }
.user-chip .name { font-size: 13.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-chip .role { font-size: 12px; color: var(--text-faint); }

.main {
  flex: 1;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  height: var(--topbar-h);
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 0 24px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 30;
}
.topbar-search {
  flex: 1; max-width: 420px;
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-subtle);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 9px 14px;
  color: var(--text-faint);
}
.topbar-search input {
  border: none; background: transparent; outline: none;
  color: var(--text); font-size: 13.8px; width: 100%;
}
.topbar-search:focus-within { border-color: var(--brand); background: var(--bg-elevated); }
.topbar-actions { display: flex; align-items: center; gap: 10px; }

.icon-btn {
  width: 38px; height: 38px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--border);
  color: var(--text-muted); cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.icon-btn:hover { background: var(--bg-hover); color: var(--text); }
.icon-btn svg { width: 18px; height: 18px; }

.page { padding: 26px 28px 60px; max-width: 1400px; }
.page-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px; margin-bottom: 22px; flex-wrap: wrap;
}
.page-header h1 { font-size: 22px; }
.page-header .subtitle { color: var(--text-muted); font-size: 13.5px; margin-top: 4px; }
.page-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 16px; border-radius: var(--radius-sm);
  font-size: 13.6px; font-weight: 600; cursor: pointer;
  border: 1px solid transparent; transition: all .15s ease;
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-hover); }
.btn-secondary { background: var(--bg-elevated); color: var(--text); border-color: var(--border-strong); }
.btn-secondary:hover { background: var(--bg-hover); }
.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-ghost:hover { background: var(--bg-hover); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { filter: brightness(1.08); }
.btn-success { background: var(--success); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 12.8px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* ---------- Cards ---------- */
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; gap: 12px; flex-wrap: wrap;
}
.card-header h2, .card-header h3 { font-size: 15.5px; }

[data-href] { cursor: pointer; transition: transform .12s ease, box-shadow .12s ease, background .12s ease; }
.card[data-href]:hover, .kpi-tile[data-href]:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
li[data-href]:hover, .data-table tbody tr[data-href]:hover { background: var(--bg-hover); }

/* ---------- KPI tiles ---------- */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; margin-bottom: 22px; }
.kpi-tile {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  position: relative; overflow: hidden;
}
.kpi-tile .kpi-icon {
  width: 36px; height: 36px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
}
.kpi-tile .kpi-icon svg { width: 18px; height: 18px; }
.kpi-tile .kpi-value { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; }
.kpi-tile .kpi-label { font-size: 12.8px; color: var(--text-muted); margin-top: 2px; }
.kpi-tile .kpi-trend { position: absolute; top: 18px; right: 18px; font-size: 12px; font-weight: 700; padding: 3px 8px; border-radius: 20px; }
.tone-brand .kpi-icon { background: var(--brand-soft); color: var(--brand-text); }
.tone-success .kpi-icon { background: var(--success-soft); color: var(--success); }
.tone-warning .kpi-icon { background: var(--warning-soft); color: var(--warning); }
.tone-danger .kpi-icon { background: var(--danger-soft); color: var(--danger); }
.tone-info .kpi-icon { background: var(--info-soft); color: var(--info); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--bg-elevated); }
table.data-table { width: 100%; border-collapse: collapse; font-size: 13.6px; }
.data-table thead th {
  text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em;
  color: var(--text-faint); font-weight: 700;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  background: var(--bg-subtle); white-space: nowrap;
}
.data-table tbody td { padding: 13px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr { transition: background .12s ease; }
.data-table tbody tr:hover { background: var(--bg-hover); }
.data-table .cell-muted { color: var(--text-muted); }
.data-table .cell-num { text-align: right; font-variant-numeric: tabular-nums; }
.table-empty { padding: 48px 20px; text-align: center; color: var(--text-faint); }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 20px;
  font-size: 11.8px; font-weight: 700;
}
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-info { background: var(--info-soft); color: var(--info); }
.badge-neutral { background: var(--bg-subtle); color: var(--text-muted); }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.form-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.form-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-field.span-2 { grid-column: span 2; }
.form-field label { font-size: 12.8px; font-weight: 650; color: var(--text-muted); }
.form-field .hint { font-size: 11.8px; color: var(--text-faint); }
.form-field .error { font-size: 11.8px; color: var(--danger); font-weight: 600; }

input, select, textarea {
  font-family: inherit; font-size: 13.8px; color: var(--text);
  background: var(--bg); border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); padding: 9px 12px; outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft);
}
textarea { resize: vertical; min-height: 80px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; }

/* ---------- Autocomplete (buscador propietario) ---------- */
.autocomplete-list {
  position: absolute; top: 100%; left: 0; right: 0; z-index: 45;
  margin-top: 4px; max-height: 240px; overflow-y: auto;
  background: var(--bg-elevated); border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); box-shadow: 0 8px 24px rgba(0,0,0,.14);
}
.autocomplete-item {
  padding: 9px 12px; font-size: 13.4px; cursor: pointer;
  border-bottom: 1px solid var(--border);
}
.autocomplete-item:last-child { border-bottom: none; }
.autocomplete-item:hover { background: var(--brand-soft); color: var(--brand-text); }
.autocomplete-empty { padding: 9px 12px; font-size: 13px; color: var(--text-faint); }

/* ---------- Calendario (dashboard) ---------- */
.calendar-legend { display: flex; gap: 18px; font-size: 12px; color: var(--text-muted); margin: 10px 0 4px; }
.calendar-dot { display: inline-block; width: 9px; height: 9px; border-radius: 3px; margin-right: 5px; vertical-align: middle; }
.calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; margin-top: 8px; }
.calendar-weekday { font-size: 11.2px; font-weight: 700; color: var(--text-faint); text-transform: uppercase; text-align: center; padding-bottom: 4px; }
.calendar-day {
  min-height: 88px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 6px; background: var(--bg); display: flex; flex-direction: column; gap: 3px;
}
.calendar-day.other-month { background: transparent; border-color: transparent; }
.calendar-day.today { border-color: var(--brand); box-shadow: 0 0 0 2px var(--brand-soft); }
.calendar-day-num {
  font-size: 12.2px; font-weight: 650; color: var(--text-muted);
  display: flex; justify-content: space-between; align-items: center;
}
.calendar-add {
  font-size: 13px; font-weight: 700; color: var(--text-faint); text-decoration: none;
  opacity: 0; transition: opacity .15s ease;
}
.calendar-day:hover .calendar-add, .calendar-add:focus { opacity: 1; }
.calendar-pill {
  display: block; font-size: 10.6px; padding: 2px 6px; border-radius: 6px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; text-decoration: none;
}
.pill-tarea { background: var(--brand-soft); color: var(--brand-text); }
.pill-nota { background: var(--warning-soft); color: var(--warning); }
@media (max-width: 760px) {
  .calendar-day { min-height: 60px; padding: 4px; }
  .calendar-pill { font-size: 9.5px; }
  .calendar-weekday { font-size: 9.5px; }
}

fieldset { border: none; padding: 0; margin: 0 0 20px; }
legend { font-size: 14px; font-weight: 700; margin-bottom: 12px; padding: 0; }

/* ---------- Alerts / Flash ---------- */
.flash-stack { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.alert {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; border-radius: var(--radius-md);
  font-size: 13.5px; font-weight: 550;
  border: 1px solid transparent;
}
.alert-success { background: var(--success-soft); color: var(--success); border-color: color-mix(in srgb, var(--success) 25%, transparent); }
.alert-error { background: var(--danger-soft); color: var(--danger); border-color: color-mix(in srgb, var(--danger) 25%, transparent); }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tab {
  padding: 10px 16px; font-size: 13.5px; font-weight: 600; color: var(--text-muted);
  border-bottom: 2px solid transparent; cursor: pointer;
}
.tab.active { color: var(--brand-text); border-color: var(--brand); }

/* ---------- Login ---------- */
.auth-shell {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at top, var(--brand-soft), var(--bg) 55%);
  padding: 20px;
}
.auth-card {
  width: 100%; max-width: 400px;
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 36px 34px;
  box-shadow: var(--shadow-lg);
}
.auth-card .logo-mark { margin: 0 auto 18px; width: 46px; height: 46px; font-size: 19px; }
.auth-card h1 { text-align: center; font-size: 20px; margin-bottom: 6px; }
.auth-card .subtitle { text-align: center; color: var(--text-muted); font-size: 13px; margin-bottom: 26px; }

/* ---------- Misc ---------- */
.text-muted { color: var(--text-muted); }
.text-faint { color: var(--text-faint); }
.mt-0 { margin-top: 0; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.row { display: flex; gap: 12px; align-items: center; }
.row.between { justify-content: space-between; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.divider { height: 1px; background: var(--border); margin: 18px 0; }
.pill { display: inline-block; padding: 3px 10px; border-radius: 20px; background: var(--bg-subtle); font-size: 11.8px; font-weight: 650; color: var(--text-muted); }
.empty-state { text-align: center; padding: 50px 20px; color: var(--text-faint); }
.empty-state svg { width: 40px; height: 40px; margin-bottom: 12px; opacity: .5; }

.mobile-toggle { display: none; }
.overlay { display: none; }

@media print {
  .sidebar, .topbar, .overlay, .page-actions, .btn, .no-print { display: none !important; }
  .main { margin-left: 0 !important; }
  .page { padding: 0 !important; }
  body { background: #fff !important; color: #000 !important; }
  .table-wrap { border: none !important; box-shadow: none !important; }
  .data-table thead th { background: #f0f0f0 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}

@media (max-width: 980px) {
  .sidebar { transform: translateX(-100%); box-shadow: var(--shadow-lg); }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .mobile-toggle { display: flex; }
  .overlay.open { display: block; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 35; }
  .form-grid, .form-grid.cols-3 { grid-template-columns: 1fr; }
  .form-field.span-2 { grid-column: span 1; }
  .grid-2 { grid-template-columns: 1fr; }
  .page { padding: 20px 16px 50px; }
  .topbar-search { display: none; }
}