/* ==============================
   Property Manager - Stylesheet
   ============================== */

:root {
  --bg: #0f1117;
  --bg-card: #1a1d27;
  --bg-card-hover: #222635;
  --bg-sidebar: #141722;
  --bg-input: #1e2133;
  --border: #2a2d3a;
  --text: #e4e4e7;
  --text-muted: #8b8d97;
  --text-dim: #5a5c66;
  --primary: #6366f1;
  --primary-hover: #5355d4;
  --primary-light: rgba(99, 102, 241, 0.1);
  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.1);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --info: #3b82f6;
  --info-bg: rgba(59, 130, 246, 0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --sidebar-width: 250px;
  --sidebar-collapsed: 70px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

.hidden { display: none !important; }
.screen { display: none; }
.screen.active { display: flex; }
.page { display: none; padding: 24px; width: 100%; overflow-y: auto; }
.page.active { display: block; }

/* ======= LOGIN ======= */
#login-screen {
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #0f1117 0%, #1a1d27 50%, #141722 100%);
}

.login-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  text-align: center;
  box-shadow: var(--shadow);
}

.login-logo { font-size: 48px; margin-bottom: 12px; }
.login-container h1 { font-size: 24px; font-weight: 600; margin-bottom: 4px; }
.login-subtitle { color: var(--text-muted); margin-bottom: 32px; font-size: 14px; }

.error-msg {
  margin-top: 12px;
  padding: 8px 12px;
  background: var(--danger-bg);
  color: var(--danger);
  border-radius: var(--radius-sm);
  font-size: 13px;
}

/* ======= SIDEBAR ======= */
#sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: sticky;
  top: 0;
  transition: all 0.3s ease;
  z-index: 100;
}

#sidebar.collapsed {
  width: var(--sidebar-collapsed);
  min-width: var(--sidebar-collapsed);
}

#sidebar.collapsed .logo-text,
#sidebar.collapsed .nav-links span,
#sidebar.collapsed .sidebar-footer span,
#sidebar.collapsed .user-info { display: none; }

#sidebar.collapsed .nav-links a,
#sidebar.collapsed .sidebar-footer a {
  justify-content: center;
  padding: 12px;
}

.sidebar-header {
  padding: 20px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
}

.logo { font-size: 24px; }
.logo-text { font-weight: 700; font-size: 16px; white-space: nowrap; }

.sidebar-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  margin-left: auto;
  font-size: 20px;
  padding: 4px;
}

.nav-links {
  list-style: none;
  flex: 1;
  padding: 12px 8px;
  overflow-y: auto;
}

.nav-links a, .sidebar-footer a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s;
}

.nav-links a:hover, .sidebar-footer a:hover {
  background: var(--bg-card);
  color: var(--text);
}

.nav-links a.active {
  background: var(--primary-light);
  color: var(--primary);
}

.nav-links a i, .sidebar-footer a i { font-size: 20px; min-width: 20px; }

.sidebar-footer {
  padding: 12px 8px;
  border-top: 1px solid var(--border);
}

.user-info {
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge.admin { background: var(--primary-light); color: var(--primary); }
.badge.editor { background: var(--success-bg); color: var(--success); }
.badge.viewer { background: var(--warning-bg); color: var(--warning); }
.badge.info { background: var(--info-bg); color: var(--info); }

/* ======= MAIN CONTENT ======= */
#main-app {
  flex-direction: row;
  height: 100vh;
}

#content {
  flex: 1;
  overflow-y: auto;
  background: var(--bg);
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header h2 { font-size: 24px; font-weight: 700; }

.page-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.section-title {
  font-size: 18px;
  font-weight: 600;
  margin: 24px 0 16px;
}

/* ======= FORM ELEMENTS ======= */
.form-group {
  margin-bottom: 16px;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 6px;
}

input[type="text"], input[type="password"], input[type="email"],
input[type="number"], input[type="date"], input[type="tel"],
select, textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.15s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.select-input {
  padding: 8px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
}

textarea { resize: vertical; min-height: 80px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ======= BUTTONS ======= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: var(--danger-bg); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: white; }
.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-ghost:hover { background: var(--bg-card); color: var(--text); }
.btn-full { width: 100%; justify-content: center; padding: 12px; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* ======= STATS CARDS ======= */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.stat-card .stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
}

.stat-card .stat-value.positive { color: var(--success); }
.stat-card .stat-value.negative { color: var(--danger); }
.stat-card .stat-value.neutral { color: var(--info); }

.stat-card .stat-note {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ======= PROPERTY CARDS ======= */
.property-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}

.prop-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: all 0.2s;
  cursor: pointer;
}

.prop-card:hover {
  border-color: var(--primary);
  background: var(--bg-card-hover);
}

.prop-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.prop-card-header h4 { font-size: 16px; font-weight: 600; }
.prop-card-header .currency-badge {
  padding: 2px 8px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
}

.prop-card-location {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.prop-card-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

.prop-stat {
  text-align: center;
}

.prop-stat-label {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.prop-stat-value {
  font-size: 16px;
  font-weight: 600;
  margin-top: 4px;
}

/* ======= TABLES ======= */
.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-sidebar);
}

.data-table td {
  padding: 12px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}

.data-table tr:last-child td { border-bottom: none; }

.data-table tr:hover td { background: var(--bg-card-hover); }

.data-table .actions {
  display: flex;
  gap: 4px;
}

/* ======= MODAL ======= */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  padding: 20px;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 520px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 { font-size: 18px; font-weight: 600; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 24px;
  padding: 4px;
}

.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ======= REPORTS ======= */
.report-month-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.report-month-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.report-month-card h4 {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.report-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 4px 0;
}

.report-row.total {
  border-top: 1px solid var(--border);
  margin-top: 8px;
  padding-top: 8px;
  font-weight: 600;
}

.report-annual-summary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
}

.report-annual-summary h3 { margin-bottom: 16px; }

.report-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
}

/* ======= SETTINGS ======= */
.settings-sections {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 16px;
}

.settings-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.settings-card h3 { margin-bottom: 16px; }

.user-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.mt-2 { margin-top: 16px; }

.placeholder-text {
  text-align: center;
  color: var(--text-muted);
  padding: 60px 20px;
  font-size: 14px;
}

/* ======= CHECKBOX ======= */
.checkbox-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

/* ======= RESPONSIVE ======= */
@media (max-width: 768px) {
  #sidebar {
    position: fixed;
    left: -100%;
    width: 260px;
    min-width: 260px;
    transition: left 0.3s;
  }

  #sidebar.mobile-open { left: 0; }

  #content { margin-left: 0; }

  .page { padding: 16px; }

  .page-header { flex-direction: column; align-items: flex-start; }

  .stats-grid { grid-template-columns: 1fr 1fr; }

  .property-cards { grid-template-columns: 1fr; }

  .form-row { grid-template-columns: 1fr; }

  .prop-card-stats { grid-template-columns: 1fr; gap: 8px; }

  .report-month-grid { grid-template-columns: 1fr 1fr; }

  /* Mobile top bar */
  .mobile-topbar {
    display: flex;
    padding: 12px 16px;
    background: var(--bg-sidebar);
    border-bottom: 1px solid var(--border);
    align-items: center;
    gap: 12px;
  }
}

@media (min-width: 769px) {
  .mobile-topbar { display: none !important; }
}

/* ======= RENT DUE ======= */
.rentdue-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.rentdue-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.rentdue-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.rentdue-card-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.rentdue-actions {
  margin-left: auto;
  display: flex;
  gap: 4px;
}

/* ======= TOAST ======= */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  z-index: 2000;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast-success { background: var(--success); color: white; }
.toast-error { background: var(--danger); color: white; }

/* ======= SCROLLBAR ======= */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ======= ANIMATIONS ======= */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.page.active { animation: fadeIn 0.2s ease; }