:root {
  --bg-start: #f8f5ef;
  --bg-end: #d7e6f7;
  --card-bg: rgba(255, 255, 255, 0.9);
  --text: #1f2937;
  --muted: #4b5563;
  --accent: #0f766e;
  --accent-hover: #115e59;
  --error: #b91c1c;
  --success: #166534;
  --warning: #9a3412;
  --border: #d1d5db;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.2), transparent 45%),
    radial-gradient(circle at bottom left, rgba(59, 130, 246, 0.18), transparent 45%),
    linear-gradient(145deg, var(--bg-start), var(--bg-end));
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.app-shell {
  min-height: 100vh;
  padding: 18px;
}

.card {
  width: min(420px, 100%);
  padding: 28px;
  border-radius: 20px;
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 12px 40px rgba(17, 24, 39, 0.14);
  backdrop-filter: blur(8px);
  animation: rise 0.6s ease-out;
}

h1 {
  margin: 0;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
}

h2 {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.subtitle {
  margin: 8px 0 20px;
  color: var(--muted);
}

form {
  display: grid;
  gap: 10px;
}

label {
  font-weight: 600;
  font-size: 0.95rem;
}

input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  font: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  font: inherit;
  background: #ffffff;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus {
  outline: none;
  border-color: #0ea5e9;
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

input[readonly] {
  background: #f3f4f6;
  color: #374151;
}

select:focus {
  outline: none;
  border-color: #0ea5e9;
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

button {
  margin-top: 10px;
  border: 0;
  border-radius: 10px;
  padding: 12px 16px;
  font: inherit;
  font-weight: 700;
  color: #ffffff;
  background: var(--accent);
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
}

button:hover {
  background: var(--accent-hover);
}

button:active {
  transform: translateY(1px);
}

.btn-secondary {
  background: #334155;
}

.btn-secondary:hover {
  background: #1e293b;
}

.btn-danger {
  background: #b91c1c;
}

.btn-danger:hover {
  background: #991b1b;
}

.message {
  min-height: 24px;
  margin: 14px 0 0;
  font-weight: 600;
}

.message.error {
  color: var(--error);
}

.message.success {
  color: var(--success);
}

.hint {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.9rem;
}

.dashboard-card {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 24px;
  border-radius: 22px;
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 12px 40px rgba(17, 24, 39, 0.14);
  backdrop-filter: blur(8px);
  animation: rise 0.6s ease-out;
}

.drawer-layout {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 16px;
  min-height: calc(100vh - 36px);
}

.mobile-topbar {
  display: none;
}

.mobile-menu-panel {
  display: none;
}

.mobile-hidden {
  display: none !important;
}

.drawer-panel,
.detail-panel {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  padding: 14px;
}

.drawer-panel {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 12px;
}

.drawer-header h1 {
  font-size: 1.35rem;
}

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

.drawer-actions button {
  margin-top: 0;
  flex: 1;
}

.drawer-list-wrap {
  min-height: 220px;
  overflow: auto;
}

.apartment-drawer-list {
  display: grid;
  gap: 8px;
}

.drawer-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  background: #ffffff;
  cursor: pointer;
}

.drawer-item.active {
  border-color: #0ea5e9;
  box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.15);
}

.drawer-item-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.drawer-item-title {
  margin: 0;
  font-weight: 700;
}

.drawer-item-tenant {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.detail-panel {
  overflow: auto;
}

.detail-header {
  margin-bottom: 8px;
}

.detail-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.detail-actions button {
  margin-top: 0;
}

.payment-actions {
  display: flex;
  gap: 8px;
  align-items: end;
  flex-wrap: wrap;
}

.payment-actions button {
  margin-top: 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.topbar .btn-secondary {
  margin-top: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.stats-grid.compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 0;
}

.stat-box {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.75);
}

.stat-label {
  margin: 0;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.85rem;
}

.stat-value {
  margin: 8px 0 0;
  font-size: 1.7rem;
  font-weight: 700;
}

.panel {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.68);
  margin-bottom: 16px;
}

.grid-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.grid-form button {
  grid-column: 1 / -1;
}

.units-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.unit-item {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.85);
}

.unit-item p {
  margin: 6px 0;
}

.unit-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.unit-head h3 {
  margin: 0;
  font-size: 1.05rem;
}

.unit-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.apt-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--border);
  background: #eef2ff;
}

.icon-preview {
  width: 72px;
  height: 72px;
  border-radius: 12px;
  border: 1px solid var(--border);
  object-fit: cover;
  background: #eef2ff;
}

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

.photo-actions .btn-secondary {
  margin-top: 0;
}

.hidden-input {
  display: none;
}

.status-pill {
  display: inline-block;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.78rem;
  font-weight: 700;
}

.status-paid {
  background: rgba(22, 101, 52, 0.15);
  color: var(--success);
}

.status-overdue {
  background: rgba(185, 28, 28, 0.14);
  color: var(--error);
}

.status-soon {
  background: rgba(154, 52, 18, 0.14);
  color: var(--warning);
}

.status-upcoming {
  background: rgba(2, 132, 199, 0.14);
  color: #0c4a6e;
}

.unit-actions {
  margin-top: 10px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.unit-actions button {
  margin-top: 0;
  padding: 9px 12px;
}

.history-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 7px;
}

.users-list {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

.user-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.85);
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}

.role-chip {
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(2, 132, 199, 0.14);
  color: #0c4a6e;
}

.hidden {
  display: none;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 480px) {
  .card {
    padding: 22px;
    border-radius: 16px;
  }
}

@media (max-width: 900px) {
  .drawer-layout {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .mobile-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
  }

  .mobile-topbar .hint {
    margin: 0;
    font-weight: 700;
  }

  .mobile-topbar button {
    margin-top: 0;
  }

  .mobile-menu-panel {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 10px;
  }

  .mobile-menu-panel button {
    margin-top: 0;
    padding: 10px;
    font-size: 0.9rem;
  }

  .stats-grid,
  .units-list,
  .grid-form {
    grid-template-columns: 1fr;
  }

  .dashboard-card {
    padding: 18px;
    border-radius: 16px;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .topbar .btn-secondary {
    width: 100%;
  }
}