/* Ali Heights — Textured Emboss design system (vanilla CSS, no deps) */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=DM+Serif+Display&display=swap');

:root {
  --bg: hsl(210 40% 98%);
  --fg: hsl(215 25% 18%);
  --card: #ffffff;
  --muted: hsl(215 16% 46%);
  --muted-bg: hsl(210 25% 95%);
  --border: hsl(215 20% 88%);
  --primary: hsl(184 78% 26%);
  --primary-soft: hsl(184 60% 92%);
  --primary-fg: hsl(180 60% 96%);
  --success: hsl(152 60% 36%);
  --success-soft: hsl(152 60% 92%);
  --warning: hsl(38 92% 50%);
  --warning-soft: hsl(38 95% 92%);
  --danger: hsl(0 72% 51%);
  --danger-soft: hsl(0 80% 96%);
  --radius: 0.75rem;
  --shadow-soft: 0 1px 2px hsl(215 25% 18% / .04), 0 4px 12px hsl(215 25% 18% / .06);
  --shadow-elev: 0 8px 30px -8px hsl(184 78% 26% / .18);
  --grad: linear-gradient(135deg, hsl(184 78% 26%), hsl(184 65% 38%));
  --grad-soft: linear-gradient(180deg, hsl(184 60% 97%), hsl(210 40% 98%));
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  background: var(--grad-soft);
  color: var(--fg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, .display { font-family: 'DM Serif Display', Georgia, serif; font-weight: 400; letter-spacing: -.01em; margin: 0; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- App shell ---------- */
.app { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--card); border-right: 1px solid var(--border);
  padding: 1.25rem 1rem; display: flex; flex-direction: column; gap: 1.5rem;
}
.brand { display: flex; align-items: center; gap: .75rem; padding: .25rem .5rem; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 50%; background: var(--grad);
  color: var(--primary-fg); display: grid; place-items: center;
  font-family: 'DM Serif Display', serif; font-size: 1.15rem; box-shadow: var(--shadow-elev);
}
.brand-name { font-family: 'DM Serif Display', serif; font-size: 1.1rem; line-height: 1; }
.brand-sub { font-size: .7rem; color: var(--muted); margin-top: .2rem; }
.sidebar nav { display: flex; flex-direction: column; gap: .15rem; }
.sidebar nav a {
  display: block; padding: .6rem .75rem; border-radius: .5rem; color: hsl(215 20% 35%);
  font-weight: 500; font-size: .9rem; text-decoration: none;
}
.sidebar nav a:hover { background: var(--muted-bg); color: var(--fg); }
.sidebar nav a.active { background: var(--primary-soft); color: var(--primary); }
.logout { margin-top: auto; }
.btn-ghost { background: transparent; border: 0; color: var(--muted); cursor: pointer; padding: .5rem .75rem; font: inherit; border-radius: .5rem; }
.btn-ghost:hover { background: var(--muted-bg); color: var(--fg); }

.main { display: flex; flex-direction: column; }
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0 2rem; height: 64px; border-bottom: 1px solid var(--border);
  background: hsl(0 0% 100% / .7); backdrop-filter: blur(8px);
}
.topbar h1 { font-size: 1.5rem; }
.user-chip { display: flex; align-items: center; gap: .75rem; }
.user-email { font-size: .85rem; color: var(--muted); }
.content { padding: 2rem; flex: 1; }

/* ---------- Buttons ---------- */
.btn, button.btn {
  display: inline-flex; align-items: center; gap: .4rem; padding: .55rem 1rem;
  background: var(--grad); color: var(--primary-fg); border: 0; border-radius: .55rem;
  font: 500 .9rem 'DM Sans', sans-serif; cursor: pointer; box-shadow: var(--shadow-soft);
  text-decoration: none; transition: transform .08s, box-shadow .15s;
}
.btn:hover { box-shadow: var(--shadow-elev); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-secondary { background: var(--card); color: var(--fg); border: 1px solid var(--border); }
.btn-danger { background: var(--danger); color: white; }
.btn-sm { padding: .35rem .65rem; font-size: .8rem; }

/* ---------- Cards & grids ---------- */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-soft); }
.card-body { padding: 1.25rem; }
.card-head { padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); }
.card-head h2 { font-size: 1.15rem; }

.kpi-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; margin-bottom: 1.5rem; }
.kpi { padding: 1.1rem; }
.kpi-label { font-size: .7rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; }
.kpi-value { font-family: 'DM Serif Display', serif; font-size: 1.6rem; margin-top: .35rem; font-variant-numeric: tabular-nums; }
.kpi-value.danger { color: var(--danger); }

.row-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.cards-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }

@media (max-width: 1100px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .row-grid, .cards-3, .cards-2 { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; flex-wrap: wrap; padding: .75rem; }
  .sidebar nav { flex-direction: row; flex-wrap: wrap; }
  .topbar { padding: 0 1rem; }
  .content { padding: 1rem; }
}

/* ---------- Toolbar ---------- */
.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.25rem; gap: 1rem; flex-wrap: wrap; }
.toolbar .meta { color: var(--muted); font-size: .9rem; }

/* ---------- Tables ---------- */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: .85rem 1rem; text-align: left; border-bottom: 1px solid var(--border); font-size: .9rem; }
.table th { font-weight: 600; color: var(--muted); text-transform: uppercase; font-size: .72rem; letter-spacing: .04em; background: hsl(210 40% 98%); }
.table td.right, .table th.right { text-align: right; font-variant-numeric: tabular-nums; }
.table tr:last-child td { border-bottom: 0; }
.table tr:hover td { background: hsl(210 40% 98% / .6); }

/* ---------- Badges ---------- */
.badge { display: inline-block; padding: .15rem .55rem; border-radius: 999px; font-size: .72rem; font-weight: 600; border: 1px solid transparent; text-transform: capitalize; }
.badge-success { background: var(--success-soft); color: var(--success); border-color: hsl(152 60% 70% / .5); }
.badge-warning { background: var(--warning-soft); color: hsl(30 70% 30%); border-color: hsl(38 80% 70% / .5); }
.badge-danger  { background: var(--danger-soft); color: var(--danger); border-color: hsl(0 70% 80% / .5); }
.badge-muted   { background: var(--muted-bg); color: var(--muted); border-color: var(--border); }
.badge-role    { background: var(--primary-soft); color: var(--primary); border-color: hsl(184 60% 70% / .5); }

/* ---------- Forms ---------- */
.form { display: grid; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form label { display: block; font-size: .8rem; font-weight: 600; color: var(--fg); margin-bottom: .35rem; }
.form input, .form select, .form textarea {
  width: 100%; padding: .55rem .7rem; border: 1px solid var(--border); border-radius: .5rem;
  font: inherit; background: var(--card); color: var(--fg);
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: 2px solid hsl(184 78% 26% / .25); border-color: var(--primary);
}
.form textarea { min-height: 80px; resize: vertical; }
.form-actions { display: flex; justify-content: flex-end; gap: .5rem; margin-top: .5rem; }

/* ---------- Auth page ---------- */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 1rem; background: var(--grad-soft); }
.auth-card { width: 100%; max-width: 420px; padding: 2rem; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-elev); }
.auth-brand { display: flex; align-items: center; gap: .75rem; justify-content: center; margin-bottom: 1.5rem; }
.auth-tabs { display: flex; gap: .25rem; padding: .25rem; background: var(--muted-bg); border-radius: .55rem; margin-bottom: 1.5rem; }
.auth-tab { flex: 1; text-align: center; padding: .5rem; border-radius: .4rem; cursor: pointer; font-size: .85rem; font-weight: 500; color: var(--muted); border: 0; background: transparent; }
.auth-tab.active { background: var(--card); color: var(--fg); box-shadow: var(--shadow-soft); }

/* ---------- Flash & misc ---------- */
.flash { padding: .85rem 1.25rem; margin: 1rem 2rem 0; border-radius: .55rem; font-size: .9rem; }
.flash-success { background: var(--success-soft); color: var(--success); }
.flash-error   { background: var(--danger-soft); color: var(--danger); }
.flash-info    { background: var(--primary-soft); color: var(--primary); }

.empty { text-align: center; padding: 3rem 1rem; color: var(--muted); }
.muted { color: var(--muted); }
.row-actions { display: flex; gap: .35rem; }

/* ---------- Modal (vanilla, no deps) ---------- */
.modal-backdrop { position: fixed; inset: 0; background: hsl(215 25% 12% / .55); display: grid; place-items: center; z-index: 50; padding: 1rem; }
.modal { background: var(--card); border-radius: var(--radius); width: 100%; max-width: 500px; box-shadow: var(--shadow-elev); border: 1px solid var(--border); overflow: hidden; }
.modal-head { padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.modal-head h2 { font-size: 1.2rem; }
.modal-body { padding: 1.25rem; }
.modal-close { background: transparent; border: 0; font-size: 1.5rem; cursor: pointer; color: var(--muted); line-height: 1; }
[hidden] { display: none !important; }

.unit-card .name { font-family: 'DM Serif Display', serif; font-size: 1.15rem; }
.unit-card .rent { font-weight: 600; font-variant-numeric: tabular-nums; margin: .35rem 0 .75rem; }
.unit-card .desc { color: var(--muted); font-size: .85rem; margin-bottom: .75rem; }

.tenant-card .avatar {
  width: 40px; height: 40px; border-radius: 50%; background: var(--primary-soft);
  color: var(--primary); display: grid; place-items: center; font-family: 'DM Serif Display', serif;
}
.tenant-card .row { display: flex; align-items: center; gap: .75rem; margin-bottom: .75rem; }
.tenant-card .meta-list { display: grid; gap: .35rem; font-size: .85rem; color: var(--muted); }

.lease-card .head { display: flex; justify-content: space-between; align-items: start; margin-bottom: .85rem; }
.lease-card .grid { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; font-size: .85rem; }
.lease-card .grid .label { font-size: .7rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }