:root {
  --primary: #0d9488;
  --primary-dark: #0f766e;
  --primary-darker: #0c4a44;
  --primary-light: #f0fdfa;
  --primary-soft: #ccfbf1;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --success: #059669;
  --success-bg: #ecfdf5;
  --success-border: #a7f3d0;
  --warning: #b45309;
  --warning-bg: #fffbeb;
  --warning-border: #fde68a;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;
  --info: #2563eb;
  --info-bg: #eff6ff;
  --info-border: #bfdbfe;
  --ink: #0f172a;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-faint: #94a3b8;
  --bg: #f4f7f6;
  --card: #ffffff;
  --border: #e6ebe9;
  --border-soft: #eef2f1;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;
  --shadow-xs: 0 1px 2px rgba(15, 23, 23, 0.04);
  --shadow: 0 1px 3px rgba(15, 42, 38, 0.06), 0 8px 24px -12px rgba(15, 42, 38, 0.10);
  --shadow-lg: 0 20px 50px -18px rgba(12, 40, 36, 0.28);
  --shadow-glow: 0 8px 20px -6px rgba(13, 148, 136, 0.35);
}

* { box-sizing: border-box; }
button { font-family: inherit; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.01em;
}

a { color: var(--primary-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; }

h1, h2, h3 { font-weight: 800; letter-spacing: -0.02em; color: var(--ink); }

.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- Brand mark (used in topbar + login) ---------- */
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  flex-shrink: 0;
  box-shadow: 0 3px 10px rgba(217, 119, 6, 0.35);
}

.brand-mark.lg { width: 48px; height: 48px; border-radius: 14px; font-size: 1.4rem; }

/* ---------- Top bar ---------- */
.topbar {
  background: linear-gradient(120deg, var(--primary-darker) 0%, var(--primary-dark) 48%, var(--primary) 100%);
  color: #fff;
  padding: 13px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 4px 18px -4px rgba(10, 35, 32, 0.35);
}

.topbar .brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
  font-size: 1.05rem;
  color: #fff;
}

.topbar .right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar .user-chip {
  font-size: 0.85rem;
  opacity: 0.92;
  font-weight: 500;
}

.topbar .icon-btn {
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.18);
  color: #fff;
  border-radius: 9px;
  padding: 7px 13px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
}

.topbar .icon-btn:hover { background: rgba(255,255,255,0.26); text-decoration: none; }

.menu-toggle {
  display: none;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.18);
  color: #fff;
  border-radius: 9px;
  width: 38px;
  height: 38px;
  font-size: 1.1rem;
  cursor: pointer;
}

/* ---------- Layout: side nav + content ---------- */
.layout {
  flex: 1;
  display: flex;
  width: 100%;
}

.sidenav {
  width: 232px;
  background: var(--card);
  border-right: 1px solid var(--border-soft);
  padding: 20px 12px;
  flex-shrink: 0;
}

.sidenav a {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  font-size: 0.93rem;
  font-weight: 600;
  transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.sidenav a span:first-child { font-size: 1.05rem; }

.sidenav a:hover { background: var(--primary-light); text-decoration: none; }
.sidenav a.active {
  background: linear-gradient(120deg, var(--primary-dark), var(--primary));
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.content {
  flex: 1;
  padding: 26px;
  max-width: 1120px;
  width: 100%;
  margin: 0 auto;
}

.content-narrow { max-width: 640px; }

/* ---------- Cards ---------- */
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-soft);
  margin-bottom: 20px;
}

.card h2, .card h3 { margin-top: 0; }

.grid {
  display: grid;
  gap: 18px;
}

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 760px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* ---------- Stat cards (admin dashboard) ---------- */
.stat-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-soft);
  position: relative;
  overflow: hidden;
}

.stat-card .stat-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 14px;
}

.stat-card.neutral .stat-icon { background: var(--primary-light); color: var(--primary-dark); }
.stat-card.good .stat-icon { background: var(--success-bg); color: var(--success); }
.stat-card.bad .stat-icon { background: var(--danger-bg); color: var(--danger); }

.stat-card .label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
  font-weight: 700;
}

.stat-card .value {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.stat-card.good .value { color: var(--success); }
.stat-card.bad .value { color: var(--danger); }
.stat-card.neutral .value { color: var(--primary-darker); }

/* ---------- Status card (tenant dashboard) ---------- */
.status-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-soft);
  border-top: 4px solid var(--border);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.status-card.paid { border-top-color: var(--success); }
.status-card.upcoming, .status-card.not_billed { border-top-color: var(--info); }
.status-card.partial { border-top-color: var(--warning); }
.status-card.overdue, .status-card.overdue_partial { border-top-color: var(--danger); }

.status-card .top-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
}

.status-card .title-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.status-card .type-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.status-card .title {
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--ink);
}

.status-card .amount {
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 2px 0 6px;
  color: var(--ink);
}

.status-card .meta {
  color: var(--text-muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

/* ---------- Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  border: 1px solid transparent;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.badge-success { background: var(--success-bg); color: var(--success); border-color: var(--success-border); }
.badge-warning { background: var(--warning-bg); color: var(--warning); border-color: var(--warning-border); }
.badge-danger  { background: var(--danger-bg); color: var(--danger); border-color: var(--danger-border); }
.badge-info    { background: var(--info-bg); color: var(--info); border-color: var(--info-border); }

.alert-banner {
  background: linear-gradient(120deg, var(--danger-bg), #fff5f4);
  color: #991b1b;
  border: 1px solid var(--danger-border);
  border-radius: var(--radius);
  padding: 15px 18px;
  margin-bottom: 20px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-xs);
}

.flash {
  border-radius: var(--radius);
  padding: 13px 18px;
  margin-bottom: 20px;
  font-weight: 600;
  border: 1px solid transparent;
}

.flash-success { background: var(--success-bg); color: var(--success); border-color: var(--success-border); }
.flash-error { background: var(--danger-bg); color: var(--danger); border-color: var(--danger-border); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.91rem;
}

th, td {
  text-align: left;
  padding: 13px 12px;
  border-bottom: 1px solid var(--border-soft);
  white-space: nowrap;
}

th { color: var(--text-muted); font-weight: 700; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; background: #fafbfa; }

tbody tr { transition: background 0.12s ease; }
tbody tr:hover { background: #fafcfb; }
tr:last-child td { border-bottom: none; }

/* ---------- Forms ---------- */
label {
  display: block;
  font-weight: 700;
  font-size: 0.86rem;
  margin-bottom: 7px;
  color: var(--text);
}

input[type="text"], input[type="tel"], input[type="password"], input[type="number"],
input[type="date"], input[type="month"], select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  margin-bottom: 15px;
  background: #fff;
  color: var(--text);
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-light);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: linear-gradient(120deg, var(--primary-dark), var(--primary));
  color: #fff;
  border: none;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.94rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  box-shadow: var(--shadow-glow);
  transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
}

.btn:hover { filter: brightness(1.06); text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-secondary { background: #fff; color: var(--text); border: 1.5px solid var(--border); box-shadow: none; }
.btn-secondary:hover { background: var(--bg); filter: none; }
.btn-danger { background: linear-gradient(120deg, #b91c1c, var(--danger)); box-shadow: 0 8px 20px -6px rgba(220, 38, 38, 0.35); }
.btn-sm { padding: 8px 13px; font-size: 0.8rem; border-radius: 8px; }
.btn-block { width: 100%; }

.actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- Login page ---------- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 15% 20%, #14b8a6 0%, transparent 42%),
              radial-gradient(circle at 85% 15%, #f59e0b 0%, transparent 35%),
              radial-gradient(circle at 75% 90%, #0f766e 0%, transparent 45%),
              linear-gradient(160deg, var(--primary-darker) 0%, #0a2e2a 70%, #081f1c 100%);
}

.login-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  max-width: 410px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
}

.login-card .brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.login-card .brand-row strong { font-size: 1.05rem; color: var(--ink); }

.login-card h1 {
  font-size: 1.5rem;
  margin: 0 0 4px;
}

.login-card p.sub {
  color: var(--text-muted);
  margin: 0 0 24px;
  font-size: 0.92rem;
  line-height: 1.5;
}

.login-switch {
  text-align: center;
  margin-top: 18px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.landing-roles {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.role-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  text-align: left;
  color: var(--text);
  transition: border-color 0.15s ease, transform 0.12s ease, box-shadow 0.15s ease;
}

.role-btn .role-icon {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: var(--primary-light);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.role-btn strong { display: block; font-size: 1.03rem; margin-bottom: 2px; color: var(--ink); }
.role-btn span { color: var(--text-muted); font-size: 0.86rem; }
.role-btn:hover {
  border-color: var(--primary);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* ---------- Page header ---------- */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.page-header h1 { margin: 0; font-size: 1.5rem; }
.page-header p { margin: 4px 0 0; color: var(--text-muted); font-size: 0.9rem; }

/* ---------- Mobile bottom nav ---------- */
.bottom-nav {
  display: none;
  position: sticky;
  bottom: 0;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--border-soft);
  padding: 8px 6px calc(6px + env(safe-area-inset-bottom));
  z-index: 50;
  box-shadow: 0 -4px 16px -8px rgba(15, 42, 38, 0.15);
}

.bottom-nav .row { display: flex; }

.bottom-nav a {
  flex: 1;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.71rem;
  padding: 7px 2px;
  border-radius: 12px;
  font-weight: 700;
  transition: background 0.15s ease, color 0.15s ease;
}

.bottom-nav a .ic { display: block; font-size: 1.25rem; margin-bottom: 2px; }
.bottom-nav a.active { color: var(--primary-dark); background: var(--primary-light); }

.empty-state {
  text-align: center;
  padding: 40px 16px;
  color: var(--text-muted);
}

.help-text { color: var(--text-muted); font-size: 0.85rem; margin-top: -8px; margin-bottom: 14px; }

.pill-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.pill-row a {
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--card);
  border: 1.5px solid var(--border);
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 700;
  transition: all 0.15s ease;
}
.pill-row a:hover { text-decoration: none; border-color: var(--primary); }
.pill-row a.active { background: linear-gradient(120deg, var(--primary-dark), var(--primary)); color: #fff; border-color: transparent; box-shadow: var(--shadow-glow); }

/* ---------- Responsive: collapse sidenav on mobile ---------- */
@media (max-width: 860px) {
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }

  .sidenav {
    position: fixed;
    top: 58px;
    left: 0;
    bottom: 0;
    width: 240px;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    z-index: 60;
    overflow-y: auto;
  }

  .sidenav.open { transform: translateX(0); box-shadow: var(--shadow-lg); }

  .content { padding: 18px; }

  .nav-backdrop {
    display: none;
    position: fixed;
    inset: 58px 0 0 0;
    background: rgba(8, 25, 22, 0.45);
    z-index: 55;
  }

  .nav-backdrop.open { display: block; }

  .bottom-nav { display: block; }
  .content { padding-bottom: 92px; }
}

@media (max-width: 600px) {
  .content { padding: 15px; }
  .stat-card .value { font-size: 1.4rem; }
  th, td { padding: 10px 9px; font-size: 0.85rem; }
  .login-card { padding: 30px 22px; }
}