/* ============================================================
   PICASSO STUDIO CRM — Design System
   ============================================================ */

/* ---------- Custom Properties ---------- */
:root {
  /* Brand Colors */
  --primary: #1a1a2e;
  --primary-dark: #0f1628;
  --primary-light: #16213e;
  --accent: #ff6b35;
  --accent-hover: #ff8c5a;
  --accent-light: rgba(255, 107, 53, 0.10);
  --accent-glow: rgba(255, 107, 53, 0.25);

  /* Semantic Colors */
  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.10);
  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.10);
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.10);
  --info: #3b82f6;
  --info-light: rgba(59, 130, 246, 0.10);

  /* Surfaces */
  --bg: #f8fafc;
  --bg-card: #ffffff;
  --bg-input: #f1f5f9;
  --bg-hover: #f1f5f9;
  --bg-overlay: rgba(15, 22, 40, 0.55);
  --border: #e2e8f0;
  --border-focus: var(--accent);

  /* Text */
  --text: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 6px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 6px 16px rgba(0,0,0,0.08), 0 3px 6px rgba(0,0,0,0.05);
  --shadow-lg: 0 12px 28px rgba(0,0,0,0.12), 0 4px 10px rgba(0,0,0,0.06);

  /* Radius */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Spacing scale (4px base) */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-7: 28px;
  --sp-8: 32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;

  /* Layout */
  --sidebar-w: 260px;
  --bottom-nav-h: 68px;
  --topbar-h: 60px;

  /* Font */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 0.2s;
  --transition: all var(--duration) var(--ease);

  /* Apartment default colors */
  --apt-1: #6366f1;
  --apt-2: #ec4899;
  --apt-3: #14b8a6;
  --apt-4: #f97316;
  --apt-5: #8b5cf6;
  --apt-6: #06b6d4;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; font-size: inherit; }
input, select, textarea { font-family: inherit; font-size: 1rem; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { line-height: 1.3; }

/* ---------- App Layout ---------- */
#app {
  display: flex;
  min-height: 100vh;
  min-height: 100dvh;
}

/* ---------- Sidebar (Desktop) ---------- */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: var(--text-inverse);
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
  overflow-x: hidden;
  transition: transform 0.3s var(--ease);
}
.sidebar-header {
  padding: var(--sp-6) var(--sp-5);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-header .brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}
.sidebar-header .brand-icon {
  width: 40px; height: 40px;
  background: var(--accent);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.sidebar-header h1 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.sidebar-header .brand-sub {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  margin-top: 2px;
}

.nav-items {
  flex: 1;
  padding: var(--sp-3) var(--sp-2);
}
.nav-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius);
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 2px;
  position: relative;
  user-select: none;
}
.nav-item:hover {
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.9);
}
.nav-item.active {
  background: var(--accent);
  color: var(--text-inverse);
  box-shadow: 0 2px 8px rgba(255, 107, 53, 0.35);
}
.nav-item .nav-icon {
  width: 22px;
  text-align: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.nav-item .nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  min-width: 20px;
  text-align: center;
}

/* ---------- Bottom Nav (Mobile) ---------- */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--bottom-nav-h);
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  z-index: 100;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.06);
}
.bottom-nav-inner {
  display: flex;
  height: 100%;
  max-width: 600px;
  margin: 0 auto;
}
.bottom-nav-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--text-muted);
  font-size: 0.65rem;
  font-weight: 600;
  padding: var(--sp-1) 0;
  transition: var(--transition);
  position: relative;
  -webkit-tap-highlight-color: transparent;
}
.bottom-nav-btn .bnav-icon {
  font-size: 1.35rem;
  line-height: 1;
  transition: var(--transition);
}
.bottom-nav-btn.active {
  color: var(--accent);
}
.bottom-nav-btn.active .bnav-icon {
  transform: scale(1.15);
}
.bottom-nav-btn.active::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 32px; height: 3px;
  background: var(--accent);
  border-radius: 0 0 var(--radius-full) var(--radius-full);
}

/* More menu (overflow nav) */
.more-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: 150;
  animation: fadeIn 0.2s var(--ease);
}
.more-menu-overlay.open { display: block; }

.more-menu {
  position: fixed;
  bottom: var(--bottom-nav-h);
  left: 0; right: 0;
  background: var(--bg-card);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: var(--sp-4) var(--sp-2) var(--sp-6);
  z-index: 151;
  box-shadow: var(--shadow-lg);
  transform: translateY(100%);
  transition: transform 0.3s var(--ease);
}
.more-menu-overlay.open .more-menu {
  transform: translateY(0);
}
.more-menu-handle {
  width: 36px; height: 4px;
  background: var(--border);
  border-radius: var(--radius-full);
  margin: 0 auto var(--sp-4);
}
.more-menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-2);
}
.more-menu-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-4) var(--sp-2);
  border-radius: var(--radius);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.more-menu-item:hover, .more-menu-item:active {
  background: var(--bg-hover);
  color: var(--text);
}
.more-menu-item .mm-icon {
  font-size: 1.5rem;
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-input);
  border-radius: var(--radius-lg);
}

/* ---------- Main Content ---------- */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* ---------- Top Bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  height: var(--topbar-h);
  background: rgba(248, 250, 252, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 var(--sp-6);
  gap: var(--sp-4);
  z-index: 50;
}
.topbar .menu-toggle {
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  font-size: 1.3rem;
  border-radius: var(--radius);
  color: var(--text);
  transition: var(--transition);
}
.topbar .menu-toggle:hover { background: var(--bg-hover); }
.topbar .page-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.topbar-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

/* ---------- View Containers ---------- */
.view {
  display: none;
  flex: 1;
  padding: var(--sp-6);
  animation: viewFadeIn 0.25s var(--ease);
}
.view.active { display: block; }

@keyframes viewFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-bottom: var(--sp-6);
}
.view-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.875rem;
  transition: var(--transition);
  white-space: nowrap;
  line-height: 1.4;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.btn-primary {
  background: var(--accent);
  color: var(--text-inverse);
  box-shadow: 0 2px 6px rgba(255, 107, 53, 0.3);
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.4);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--border);
}

.btn-success {
  background: var(--success);
  color: var(--text-inverse);
}
.btn-success:hover { filter: brightness(1.1); }

.btn-danger {
  background: var(--danger-light);
  color: var(--danger);
}
.btn-danger:hover {
  background: var(--danger);
  color: var(--text-inverse);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}

.btn-whatsapp {
  background: #25d366;
  color: white;
}
.btn-whatsapp:hover {
  background: #1fb855;
  box-shadow: 0 2px 8px rgba(37, 211, 102, 0.35);
}

.btn-icon {
  width: 40px; height: 40px;
  padding: 0;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.btn-sm {
  padding: var(--sp-2) var(--sp-3);
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: var(--sp-4) var(--sp-6);
  font-size: 1rem;
  border-radius: var(--radius-lg);
  min-height: 48px;
}

.btn-block { width: 100%; }

.btn-group {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

/* ---------- Cards ---------- */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover {
  box-shadow: var(--shadow);
  border-color: rgba(0,0,0,0.08);
}
.card-body {
  padding: var(--sp-5);
}
.card-header {
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
}
.card-footer {
  padding: var(--sp-3) var(--sp-5);
  border-top: 1px solid var(--border);
  background: var(--bg);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

/* Stat cards */
.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  border: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  transition: var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow); }
.stat-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.stat-info { flex: 1; min-width: 0; }
.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 2px;
}
.stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}
.stat-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ---------- Forms ---------- */
.form-group {
  margin-bottom: var(--sp-4);
}
.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--sp-2);
}
.form-label .required {
  color: var(--danger);
  margin-left: 2px;
}
.form-control {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
  min-height: 44px;
}
.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
  background: var(--bg-card);
}
.form-control::placeholder {
  color: var(--text-muted);
}
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
textarea.form-control {
  resize: vertical;
  min-height: 80px;
}
.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: var(--sp-1);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
}
.form-error {
  font-size: 0.78rem;
  color: var(--danger);
  margin-top: var(--sp-1);
}

/* Color picker */
.color-picker-group {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}
.color-swatch {
  width: 36px; height: 36px;
  border-radius: var(--radius);
  cursor: pointer;
  border: 3px solid transparent;
  transition: var(--transition);
}
.color-swatch:hover { transform: scale(1.1); }
.color-swatch.selected {
  border-color: var(--text);
  box-shadow: var(--shadow-sm);
}

/* ---------- Modal ---------- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: 200;
  align-items: flex-end;
  justify-content: center;
  animation: fadeIn 0.2s var(--ease);
}
.modal-overlay.open {
  display: flex;
}
.modal {
  background: var(--bg-card);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  width: 100%;
  max-width: 560px;
  max-height: 92vh;
  max-height: 92dvh;
  overflow-y: auto;
  transform: translateY(100%);
  transition: transform 0.3s var(--ease);
  overscroll-behavior: contain;
}
.modal-overlay.open .modal {
  transform: translateY(0);
}
.modal-handle {
  width: 36px; height: 4px;
  background: var(--border);
  border-radius: var(--radius-full);
  margin: var(--sp-3) auto 0;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-card);
  z-index: 1;
}
.modal-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
}
.modal-close {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 1.2rem;
  transition: var(--transition);
}
.modal-close:hover {
  background: var(--bg-hover);
  color: var(--text);
}
.modal-body {
  padding: var(--sp-5);
}
.modal-footer {
  padding: var(--sp-4) var(--sp-5);
  border-top: 1px solid var(--border);
  display: flex;
  gap: var(--sp-3);
  justify-content: flex-end;
  position: sticky;
  bottom: 0;
  background: var(--bg-card);
}

/* Desktop modal */
@media (min-width: 768px) {
  .modal-overlay {
    align-items: center;
  }
  .modal {
    border-radius: var(--radius-xl);
    margin: var(--sp-6);
    transform: translateY(20px);
    opacity: 0;
  }
  .modal-overlay.open .modal {
    transform: translateY(0);
    opacity: 1;
  }
  .modal-handle { display: none; }
}

/* ---------- Badges / Tags ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger  { background: var(--danger-light);  color: var(--danger);  }
.badge-info    { background: var(--info-light);    color: var(--info);    }
.badge-neutral { background: var(--bg-input); color: var(--text-secondary); }
.badge-accent  { background: var(--accent-light); color: var(--accent); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 500;
  background: var(--bg-input);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.tag-vip       { background: #fef3c7; color: #92400e; border-color: #fde68a; }
.tag-recurrent { background: #dbeafe; color: #1e40af; border-color: #bfdbfe; }
.tag-new       { background: var(--success-light); color: var(--success); border-color: rgba(16,185,129,0.2); }

/* ---------- Toast ---------- */
.toast-container {
  position: fixed;
  top: var(--sp-4);
  right: var(--sp-4);
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  pointer-events: none;
}
.toast {
  background: var(--primary);
  color: var(--text-inverse);
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s var(--ease), toastOut 0.3s var(--ease) 2.7s forwards;
  pointer-events: auto;
  max-width: 360px;
}
.toast-success { background: var(--success); }
.toast-danger  { background: var(--danger); }
.toast-warning { background: #b45309; }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(40px); }
}

/* ---------- Search Bar ---------- */
.search-bar {
  position: relative;
  max-width: 380px;
  width: 100%;
}
.search-bar input {
  width: 100%;
  padding: var(--sp-3) var(--sp-4) var(--sp-3) 42px;
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  color: var(--text);
  transition: var(--transition);
  outline: none;
  min-height: 44px;
}
.search-bar input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
  background: var(--bg-card);
}
.search-bar .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1rem;
  pointer-events: none;
}

/* ---------- Empty State ---------- */
.empty-state {
  text-align: center;
  padding: var(--sp-16) var(--sp-6);
  color: var(--text-secondary);
}
.empty-state .empty-icon {
  font-size: 3.5rem;
  margin-bottom: var(--sp-4);
  opacity: 0.5;
}
.empty-state h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--sp-2);
}
.empty-state p {
  font-size: 0.9rem;
  max-width: 320px;
  margin: 0 auto var(--sp-5);
}

/* ---------- Filter Bar ---------- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
  margin-bottom: var(--sp-5);
}
.filter-pill {
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 500;
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  background: var(--bg-card);
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}
.filter-pill:hover { border-color: var(--accent); color: var(--accent); }
.filter-pill.active {
  background: var(--accent);
  color: var(--text-inverse);
  border-color: var(--accent);
}

/* ---------- Apartment Cards ---------- */
.apt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--sp-4);
}
.apt-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.apt-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.apt-card-color {
  height: 6px;
  width: 100%;
}
.apt-card-body {
  padding: var(--sp-5);
}
.apt-card-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: var(--sp-1);
}
.apt-card-address {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: var(--sp-3);
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}
.apt-card-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  font-size: 0.82rem;
  color: var(--text-muted);
}
.apt-card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}
.apt-card-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--border);
}

/* ---------- Client Cards ---------- */
.client-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.client-row {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-5);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}
.client-row:hover {
  box-shadow: var(--shadow);
  border-color: rgba(0,0,0,0.08);
}
.client-avatar {
  width: 44px; height: 44px;
  border-radius: var(--radius-full);
  background: var(--accent-light);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
  text-transform: uppercase;
}
.client-info { flex: 1; min-width: 0; }
.client-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}
.client-detail {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-top: 2px;
}
.client-tags {
  display: flex;
  gap: var(--sp-2);
  flex-shrink: 0;
}
.client-actions {
  display: flex;
  gap: var(--sp-1);
  flex-shrink: 0;
}

/* ---------- Reservation Cards ---------- */
.res-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.res-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.res-card:hover {
  box-shadow: var(--shadow);
}
.res-card-stripe {
  width: 4px;
  min-height: 100%;
  flex-shrink: 0;
}
.res-card-inner {
  display: flex;
}
.res-card-content {
  flex: 1;
  padding: var(--sp-4) var(--sp-5);
  min-width: 0;
}
.res-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-bottom: var(--sp-2);
  flex-wrap: wrap;
}
.res-card-guest {
  font-weight: 600;
  font-size: 0.95rem;
}
.res-card-dates {
  font-size: 0.82rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-2);
}
.res-card-bottom {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}
.res-card-price {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
}
.res-card-actions {
  margin-left: auto;
  display: flex;
  gap: var(--sp-1);
}

/* ---------- Overlap Warning ---------- */
.overlap-warning {
  background: var(--danger-light);
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--radius);
  padding: var(--sp-3) var(--sp-4);
  color: var(--danger);
  font-size: 0.85rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* ---------- Dashboard ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
}

.checkin-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.checkin-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.checkin-item .ci-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.checkin-item .ci-info { flex: 1; min-width: 0; }
.checkin-item .ci-name { font-weight: 600; font-size: 0.9rem; }
.checkin-item .ci-apt { font-size: 0.78rem; color: var(--text-secondary); }

/* Occupancy bar */
.occ-section { margin-top: var(--sp-6); }
.occ-section h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--sp-4);
}
.occ-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}
.occ-label {
  width: 120px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  flex-shrink: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.occ-bar-container {
  flex: 1;
  display: flex;
  gap: 2px;
  height: 28px;
  min-width: 0;
}
.occ-day {
  flex: 1;
  border-radius: 3px;
  min-width: 4px;
  transition: var(--transition);
  position: relative;
  cursor: default;
}
.occ-day.free { background: #e2e8f0; }
.occ-day.occupied { opacity: 0.85; }
.occ-day:hover { opacity: 1; transform: scaleY(1.2); }
.occ-day[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  white-space: nowrap;
  z-index: 10;
  pointer-events: none;
}

/* ---------- Calendar ---------- */
.cal-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  margin-bottom: var(--sp-5);
}
.cal-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
  min-width: 180px;
  text-align: center;
  text-transform: capitalize;
}
.cal-nav-btn {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  font-size: 1rem;
  transition: var(--transition);
}
.cal-nav-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.cal-day-header {
  background: var(--primary);
  color: var(--text-inverse);
  padding: var(--sp-2) var(--sp-1);
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}
.cal-day {
  background: var(--bg-card);
  min-height: 80px;
  padding: var(--sp-1);
  position: relative;
  cursor: pointer;
  transition: var(--transition);
}
.cal-day:hover { background: var(--bg-hover); }
.cal-day.other-month { background: var(--bg); opacity: 0.5; }
.cal-day.today {
  background: var(--accent-light);
}
.cal-day-num {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text);
  padding: 2px 4px;
}
.cal-day.today .cal-day-num {
  background: var(--accent);
  color: white;
  border-radius: var(--radius-full);
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
}
.cal-event {
  font-size: 0.68rem;
  padding: 2px 5px;
  border-radius: 3px;
  color: white;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  font-weight: 500;
}
.cal-event:hover { filter: brightness(1.15); }

/* ---------- Kanban ---------- */
.kanban-board {
  display: flex;
  gap: var(--sp-4);
  overflow-x: auto;
  padding-bottom: var(--sp-4);
  min-height: 400px;
  -webkit-overflow-scrolling: touch;
}
.kanban-column {
  min-width: 280px;
  max-width: 320px;
  flex-shrink: 0;
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}
.kanban-col-header {
  padding: var(--sp-4);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.kanban-col-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
}
.kanban-col-count {
  width: 24px; height: 24px;
  background: var(--bg-input);
  border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-secondary);
}
.kanban-col-body {
  flex: 1;
  padding: var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  min-height: 100px;
}
.kanban-col-body.drag-over {
  background: var(--accent-light);
  border-radius: var(--radius);
}

.kanban-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--border);
  cursor: grab;
  transition: var(--transition);
  user-select: none;
}
.kanban-card:hover {
  box-shadow: var(--shadow);
}
.kanban-card.dragging {
  opacity: 0.5;
  cursor: grabbing;
}
.kanban-card-name {
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: var(--sp-1);
}
.kanban-card-detail {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: var(--sp-2);
}
.kanban-card-actions {
  display: flex;
  gap: var(--sp-1);
  margin-top: var(--sp-2);
}

/* ---------- WhatsApp Templates ---------- */
.wa-template-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.wa-template {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
}
.wa-template-header {
  padding: var(--sp-4) var(--sp-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  cursor: pointer;
}
.wa-template-name {
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.wa-template-body {
  display: none;
  padding: 0 var(--sp-5) var(--sp-5);
}
.wa-template.expanded .wa-template-body { display: block; }
.wa-template-preview {
  background: #dcf8c6;
  border-radius: var(--radius) var(--radius) var(--radius) 0;
  padding: var(--sp-3) var(--sp-4);
  font-size: 0.88rem;
  line-height: 1.5;
  max-width: 360px;
  margin-bottom: var(--sp-3);
  position: relative;
}
.wa-template-preview::before {
  content: '';
  position: absolute;
  bottom: 0; left: -8px;
  width: 0; height: 0;
  border-right: 8px solid #dcf8c6;
  border-bottom: 8px solid transparent;
}

/* WhatsApp picker modal */
.wa-picker-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.wa-picker-item {
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}
.wa-picker-item:hover {
  border-color: #25d366;
  background: rgba(37, 211, 102, 0.05);
}
.wa-picker-item .wpi-icon { font-size: 1.2rem; }
.wa-picker-item .wpi-name { font-weight: 600; font-size: 0.9rem; }

/* ---------- Reports ---------- */
.report-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--sp-5);
}
.report-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: var(--sp-5);
}
.report-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: var(--sp-4);
}
.chart-container {
  position: relative;
  height: 220px;
}

/* ---------- Sync / iCal ---------- */
.sync-section {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: var(--sp-5);
  margin-bottom: var(--sp-4);
}
.sync-section h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--sp-2);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.sync-instructions {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--sp-4);
}
.sync-instructions ol {
  list-style: decimal;
  padding-left: var(--sp-5);
}
.sync-instructions li {
  margin-bottom: var(--sp-2);
}

/* ---------- Backup ---------- */
.backup-section {
  max-width: 560px;
}
.backup-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: var(--sp-6);
  text-align: center;
  margin-bottom: var(--sp-4);
}
.backup-card .backup-icon {
  font-size: 3rem;
  margin-bottom: var(--sp-3);
}
.backup-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: var(--sp-2);
}
.backup-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: var(--sp-5);
}

/* ---------- Confirm Dialog ---------- */
.confirm-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: 300;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.15s var(--ease);
}
.confirm-overlay.open { display: flex; }
.confirm-dialog {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--sp-6);
  max-width: 380px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.confirm-dialog .confirm-icon {
  font-size: 2.5rem;
  margin-bottom: var(--sp-3);
}
.confirm-dialog h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: var(--sp-2);
}
.confirm-dialog p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: var(--sp-5);
}
.confirm-dialog .confirm-actions {
  display: flex;
  gap: var(--sp-3);
  justify-content: center;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ---------- Animations ---------- */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}
@keyframes scaleIn {
  from { transform: scale(0.95); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

/* ---------- Utilities ---------- */
.hidden { display: none !important; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--sp-1); }
.gap-2 { gap: var(--sp-2); }
.gap-3 { gap: var(--sp-3); }
.gap-4 { gap: var(--sp-4); }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.75rem; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-center { text-align: center; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.w-full { width: 100%; }
.mt-2 { margin-top: var(--sp-2); }
.mt-4 { margin-top: var(--sp-4); }
.mt-6 { margin-top: var(--sp-6); }
.mb-2 { margin-bottom: var(--sp-2); }
.mb-4 { margin-bottom: var(--sp-4); }
.mb-6 { margin-bottom: var(--sp-6); }

/* ---------- RESPONSIVE — Mobile First ---------- */

/* Mobile: Hide sidebar, show bottom nav */
@media (max-width: 767px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  
  .main-content {
    margin-left: 0;
    padding-bottom: var(--bottom-nav-h);
  }
  
  .bottom-nav { display: block; }
  
  .topbar .menu-toggle { display: flex; }
  
  .view { padding: var(--sp-4); }
  
  .form-row { grid-template-columns: 1fr; }
  
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid .stat-card { padding: var(--sp-3); }
  .stats-grid .stat-icon { width: 40px; height: 40px; font-size: 1.1rem; }
  .stats-grid .stat-value { font-size: 1.3rem; }
  
  .apt-grid { grid-template-columns: 1fr; }
  
  .cal-day { min-height: 50px; }
  .cal-event { font-size: 0.6rem; padding: 1px 3px; }
  
  .kanban-board { gap: var(--sp-3); }
  .kanban-column { min-width: 260px; }
  
  .report-grid { grid-template-columns: 1fr; }
  
  .view-header { flex-direction: column; align-items: flex-start; }
  
  .occ-label { width: 80px; font-size: 0.75rem; }
  
  /* Sidebar overlay on mobile when open */
  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    z-index: 99;
  }
  .sidebar-overlay.open { display: block; }
}

/* Tablet */
@media (min-width: 768px) and (max-width: 1023px) {
  .sidebar { width: 220px; }
  .main-content { margin-left: 220px; }
  .bottom-nav { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Desktop */
@media (min-width: 1024px) {
  .bottom-nav { display: none; }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .apt-grid { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
}

/* Large desktop */
@media (min-width: 1400px) {
  .view { padding: var(--sp-8); }
  .stats-grid { grid-template-columns: repeat(5, 1fr); }
}

/* ---------- Print ---------- */
@media print {
  .sidebar, .bottom-nav, .topbar, .btn, .modal-overlay, .toast-container { display: none !important; }
  .main-content { margin-left: 0; }
  .view { padding: 0; }
  body { background: white; }
}

/* ---------- Safe Area (notch phones) ---------- */
@supports (padding: env(safe-area-inset-bottom)) {
  .bottom-nav {
    padding-bottom: env(safe-area-inset-bottom);
    height: calc(var(--bottom-nav-h) + env(safe-area-inset-bottom));
  }
  .modal {
    padding-bottom: env(safe-area-inset-bottom);
  }
}