/* ═══════════════════════════════════════
   CITACONECTA — Design System
   Mobile-first responsive CSS
   ═══════════════════════════════════════ */

/* ── Variables ── */
:root {
  --primary: #0d9488;
  --primary-light: #14b8a6;
  --primary-dark: #0f766e;
  --primary-bg: rgba(13, 148, 136, 0.08);

  --accent: #6366f1;
  --accent-light: #818cf8;

  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;

  --bg: #f0f4f8;
  --bg-card: #ffffff;
  --bg-sidebar: #0f172a;
  --bg-sidebar-hover: #1e293b;

  --text: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-sidebar: #cbd5e1;
  --text-white: #ffffff;

  --border: #e2e8f0;
  --border-focus: var(--primary);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(13, 148, 136, 0.15);

  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;

  --sidebar-width: 260px;
  --topbar-height: 64px;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 0.2s ease;
}

/* ── Reset & Base ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* ═══════════════════════════════════════
   LOGIN SCREEN
   ═══════════════════════════════════════ */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a 0%, #0f766e 50%, #0d9488 100%);
  padding: 20px;
}

.login-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  animation: fadeSlideUp 0.5s ease;
}

.login-logo {
  text-align: center;
  margin-bottom: 36px;
}

.logo-icon {
  font-size: 48px;
  margin-bottom: 12px;
  animation: pulse 2s ease-in-out infinite;
}

.logo-icon-img {
  width: 160px;
  height: auto;
  margin-bottom: 0px;
  animation: pulse 2s ease-in-out infinite;
  border-radius: 20px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.login-logo h1 {
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-dark), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-logo p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 4px;
}

/* ── Forms ── */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input,
select,
textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background: var(--bg-card);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12);
}

textarea {
  min-height: 100px;
  resize: vertical;
}

.error-text {
  color: var(--danger);
  font-size: 13px;
  margin-top: 12px;
  text-align: center;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  outline: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  box-shadow: 0 2px 8px rgba(13, 148, 136, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.4);
  transform: translateY(-1px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: white;
}

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--border);
  color: var(--text-secondary);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 12px;
}

.btn-full {
  width: 100%;
  padding: 14px;
  font-size: 15px;
}

.btn-icon {
  padding: 8px;
  border-radius: 8px;
}

/* ═══════════════════════════════════════
   APP LAYOUT
   ═══════════════════════════════════════ */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  color: var(--text-sidebar);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-header {
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.logo-icon-sm {
  font-size: 24px;
}

.sidebar-logo-img {
  width: 160px;
  height: auto;
  border-radius: 12px;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(90deg, var(--primary-light), #a5f3fc);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar-close {
  display: none;
  background: none;
  border: none;
  color: var(--text-sidebar);
  font-size: 20px;
  cursor: pointer;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: var(--text-sidebar);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
  position: relative;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: var(--bg-sidebar-hover);
  color: white;
}

.nav-item.active {
  background: var(--bg-sidebar-hover);
  color: var(--primary-light);
  border-left-color: var(--primary-light);
}

.nav-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
}

.nav-label {
  flex: 1;
}

.nav-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.06);
  margin: 8px 20px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.status-on {
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
}

.status-dot.status-off {
  background: var(--text-muted);
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.user-info {
  margin-bottom: 10px;
}

.user-name {
  display: block;
  font-weight: 600;
  font-size: 14px;
  color: white;
}

.user-role {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: capitalize;
}

/* ── Main Content ── */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
}

.topbar {
  height: var(--topbar-height);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text);
  padding: 4px;
}

.page-title {
  font-size: 20px;
  font-weight: 700;
  flex: 1;
  color: var(--text);
}

.wa-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.wa-badge.wa-on {
  background: rgba(16, 185, 129, 0.12);
  color: var(--success);
}

.wa-badge.wa-off {
  background: rgba(148, 163, 184, 0.12);
  color: var(--text-muted);
}

.content {
  padding: 24px;
  max-width: 1400px;
}

/* ═══════════════════════════════════════
   CARDS & COMPONENTS
   ═══════════════════════════════════════ */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  transition: box-shadow var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

/* ── Stats Grid ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all var(--transition);
  border-left: 4px solid transparent;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.stat-card.primary {
  border-left-color: var(--primary);
}

.stat-card.accent {
  border-left-color: var(--accent);
}

.stat-card.success {
  border-left-color: var(--success);
}

.stat-card.warning {
  border-left-color: var(--warning);
}

.stat-icon {
  font-size: 28px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.stat-card.primary .stat-icon {
  background: rgba(13, 148, 136, 0.1);
}

.stat-card.accent .stat-icon {
  background: rgba(99, 102, 241, 0.1);
}

.stat-card.success .stat-icon {
  background: rgba(16, 185, 129, 0.1);
}

.stat-card.warning .stat-icon {
  background: rgba(245, 158, 11, 0.1);
}

.stat-info {
  flex: 1;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.2;
}

.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ── Table ── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-sm);
}

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

th {
  padding: 12px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  background: var(--bg);
  border-bottom: 2px solid var(--border);
}

td {
  padding: 14px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tr:hover td {
  background: var(--primary-bg);
}

/* ── Badge ── */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge-success {
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
}

.badge-warning {
  background: rgba(245, 158, 11, 0.12);
  color: #d97706;
}

.badge-danger {
  background: rgba(239, 68, 68, 0.12);
  color: #dc2626;
}

.badge-info {
  background: rgba(59, 130, 246, 0.12);
  color: #2563eb;
}

.badge-muted {
  background: rgba(148, 163, 184, 0.12);
  color: var(--text-muted);
}

/* ── Filters bar ── */
.filters-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
}

.filters-bar input,
.filters-bar select {
  max-width: 200px;
  padding: 8px 12px;
  font-size: 13px;
}

/* ── Empty State ── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state-text {
  font-size: 16px;
  font-weight: 500;
}

/* ── Grid layouts ── */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* ── Settings section ── */
.settings-section {
  margin-bottom: 32px;
}

.settings-section h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.schedule-grid {
  display: grid;
  gap: 12px;
}

.schedule-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg);
  border-radius: var(--radius-sm);
}

.schedule-day {
  font-weight: 600;
  width: 80px;
  font-size: 14px;
  text-transform: capitalize;
}

.schedule-row input[type="time"] {
  max-width: 120px;
  padding: 6px 10px;
}

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

/* ── WhatsApp QR Section ── */
.qr-container {
  text-align: center;
  padding: 40px 20px;
}

.qr-container img {
  max-width: 280px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  margin: 20px 0;
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  margin-bottom: 20px;
}

.connection-status .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.dot.connected {
  background: var(--success);
}

.dot.disconnected {
  background: var(--danger);
}

.dot.qr_required {
  background: var(--warning);
}

/* ── Chat / Messages ── */
.chat-container {
  display: flex;
  gap: 20px;
  height: calc(100vh - var(--topbar-height) - 80px);
}

.chat-list {
  width: 300px;
  flex-shrink: 0;
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow-y: auto;
  box-shadow: var(--shadow);
}

.chat-list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background var(--transition);
}

.chat-list-item:hover,
.chat-list-item.active {
  background: var(--primary-bg);
}

.chat-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}

.chat-name {
  font-weight: 600;
  font-size: 14px;
}

.chat-phone {
  font-size: 12px;
  color: var(--text-muted);
}

.chat-messages {
  flex: 1;
  background: var(--bg-card);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.chat-messages-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: 16px;
}

.chat-messages-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: #f8fafc;
}

.msg-bubble {
  max-width: 75%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.5;
  word-break: break-word;
  white-space: pre-wrap;
}

.msg-in {
  align-self: flex-start;
  background: white;
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.msg-out {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border-bottom-right-radius: 4px;
}

.msg-time {
  font-size: 10px;
  opacity: 0.7;
  margin-top: 4px;
}

/* ── Patient Detail ── */
.patient-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.patient-avatar-lg {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 28px;
  font-weight: 700;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════
   MODAL
   ═══════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.2s ease;
}

.modal {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.3s ease;
}

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

.modal-header h3 {
  font-size: 18px;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
}

.modal-body {
  padding: 24px;
}

/* ═══════════════════════════════════════
   TOAST
   ═══════════════════════════════════════ */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: white;
  box-shadow: var(--shadow-lg);
  animation: slideInRight 0.3s ease;
  min-width: 280px;
  max-width: 400px;
}

.toast.success {
  background: var(--success);
}

.toast.error {
  background: var(--danger);
}

.toast.warning {
  background: var(--warning);
}

.toast.info {
  background: var(--info);
}

/* ═══════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════ */
@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(100px);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.6;
  }
}

/* ═══════════════════════════════════════
   RESPONSIVE — Mobile First
   ═══════════════════════════════════════ */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3);
  }

  .sidebar-close {
    display: block;
  }

  .menu-toggle {
    display: block;
  }

  .main-content {
    margin-left: 0;
    min-height: 100vh;
    overflow-x: hidden;
  }

  .content {
    padding: 12px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .chat-container {
    flex-direction: column;
    height: auto;
    min-height: calc(100vh - 120px);
  }

  .chat-list {
    width: 100%;
    max-height: 250px;
  }

  .chat-messages {
    min-height: calc(100vh - 380px);
    flex: 1;
  }

  .chat-messages-body {
    padding: 12px;
  }

  .msg-bubble {
    max-width: 90%;
    font-size: 13px;
  }

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

  .filters-bar input,
  .filters-bar select,
  .filters-bar button {
    max-width: 100%;
    width: 100%;
  }

  .topbar {
    padding: 0 16px;
  }

  .page-title {
    font-size: 18px;
  }

  .stat-card {
    padding: 12px;
    gap: 10px;
  }

  .stat-value {
    font-size: 20px;
  }

  .stat-icon {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }

  .modal {
    max-width: 100%;
    margin: 0;
    border-radius: 12px 12px 0 0;
    position: absolute;
    bottom: 0;
    max-height: 95vh;
  }

  .modal-overlay {
    align-items: flex-end;
    padding: 0;
  }

  .modal-header {
    padding: 16px;
  }

  .modal-body {
    padding: 16px;
  }

  .patient-header {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }

  .patient-avatar-lg {
    width: 56px;
    height: 56px;
    font-size: 20px;
  }

  .card {
    padding: 16px;
  }

  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .card-header button {
    width: 100%;
  }

  .table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -16px;
    padding: 0 16px;
  }

  th,
  td {
    padding: 10px 12px;
    font-size: 13px;
    white-space: nowrap;
  }

  .schedule-row {
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
  }

  .schedule-day {
    width: 100%;
    font-size: 15px;
    margin-bottom: 4px;
  }

  .toast-container {
    right: 12px;
    left: 12px;
    bottom: 12px;
  }

  .toast {
    width: 100%;
    min-width: auto;
    max-width: none;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .login-card {
    padding: 32px 20px;
    border-radius: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .login-screen {
    padding: 0;
  }
}

/* ── Loading Spinner ── */
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 20px auto;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-text {
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

/* ── Utility ── */
.text-center {
  text-align: center;
}

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

.mt-3 {
  margin-top: 24px;
}

.mb-2 {
  margin-bottom: 16px;
}

.mb-3 {
  margin-bottom: 24px;
}

.flex {
  display: flex;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.gap-2 {
  gap: 12px;
}

/* Admin Module — Subscription Banner & Nav */

#subscription-banner {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
}

#subscription-banner strong {
  font-weight: 700;
}

.nav-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 8px 16px;
}

#nav-admin {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(239, 68, 68, 0.1));
  border-left: 3px solid #f59e0b !important;
  margin-top: 4px;
}

#nav-admin:hover {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.25), rgba(239, 68, 68, 0.15));
}

#nav-admin.active {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.3), rgba(239, 68, 68, 0.2));
}