/* ═══ HEALS Frontend — Shared Styles ═══ */

:root {
  --primary: #4CAF50;
  --primary-dark: #388E3C;
  --primary-light: #C8E6C9;
  --danger: #F44336;
  --warning: #FF9800;
  --info: #2196F3;
  --bg: #f5f7fa;
  --card: #ffffff;
  --text: #333333;
  --text-light: #777777;
  --border: #e0e0e0;
  --sidebar-bg: #1a1a2e;
  --sidebar-text: #cccccc;
  --sidebar-active: #4CAF50;
  --sidebar-width: 250px;
  --topbar-height: 60px;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-hover: 0 4px 16px rgba(0,0,0,0.12);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

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

/* ═══ LOGIN PAGE ═══ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.login-card {
  background: var(--card);
  border-radius: 16px;
  padding: 48px 40px;
  width: 400px;
  max-width: 90vw;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  text-align: center;
}

.login-card .logo { font-size: 32px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.login-card .logo span { color: var(--text); }
.login-card .subtitle { color: var(--text-light); margin-bottom: 32px; font-size: 14px; }

.login-card .form-group { margin-bottom: 20px; text-align: left; }
.login-card label { display: block; font-size: 13px; font-weight: 600; color: var(--text-light); margin-bottom: 6px; }
.login-card input[type="email"],
.login-card input[type="password"] {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  transition: border-color .2s;
  outline: none;
}
.login-card input:focus { border-color: var(--primary); }

.login-card .btn-login {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s;
  margin-top: 8px;
}
.login-card .btn-login:hover { background: var(--primary-dark); }
.login-card .btn-login:disabled { opacity: .6; cursor: not-allowed; }
.login-error { color: var(--danger); font-size: 13px; margin-top: 12px; display: none; }

/* ═══ LAYOUT: SIDEBAR + CONTENT ═══ */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform .3s;
}

.sidebar-logo {
  padding: 20px 24px;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-logo span { color: var(--primary); }

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

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  color: var(--sidebar-text);
  font-size: 14px;
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: all .2s;
}
.sidebar-nav a:hover { background: rgba(255,255,255,0.05); color: #fff; }
.sidebar-nav a.active {
  background: rgba(76,175,80,0.1);
  color: var(--primary);
  border-left-color: var(--primary);
  font-weight: 600;
}
.sidebar-nav a .icon { font-size: 18px; width: 24px; text-align: center; }

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 12px;
  color: rgba(255,255,255,0.3);
}

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
}

/* ═══ TOP BAR ═══ */
.topbar {
  height: var(--topbar-height);
  background: var(--card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-left { display: flex; align-items: center; gap: 16px; }
.topbar-title { font-size: 18px; font-weight: 600; }

.topbar-right { display: flex; align-items: center; gap: 16px; }
.topbar-user { font-size: 14px; color: var(--text-light); }

.btn-hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text);
}

.btn-logout {
  padding: 8px 16px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  cursor: pointer;
  color: var(--text-light);
  transition: all .2s;
}
.btn-logout:hover { border-color: var(--danger); color: var(--danger); }

/* ═══ PAGE CONTENT ═══ */
.page-content { padding: 24px; flex: 1; }
.page-header { margin-bottom: 24px; }
.page-header h1 { font-size: 24px; font-weight: 700; }
.page-header p { color: var(--text-light); font-size: 14px; margin-top: 4px; }

/* ═══ CARDS ═══ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary);
}
.stat-card.danger { border-left-color: var(--danger); }
.stat-card.warning { border-left-color: var(--warning); }
.stat-card.info { border-left-color: var(--info); }

.stat-card .stat-value { font-size: 28px; font-weight: 700; color: var(--text); }
.stat-card .stat-label { font-size: 13px; color: var(--text-light); margin-top: 4px; }

.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-body { padding: 20px; }

/* ═══ TABLES ═══ */
.table-wrapper { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
thead th {
  text-align: left;
  padding: 12px 16px;
  background: var(--bg);
  font-weight: 600;
  color: var(--text-light);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--border);
}
tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
tbody tr:nth-child(even) { background: #fafbfc; }
tbody tr:hover { background: #f0f7f0; }
tbody tr { cursor: pointer; transition: background .15s; }

/* ═══ BUTTONS ═══ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); text-decoration: none; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #d32f2f; }
.btn-secondary { background: #e0e0e0; color: var(--text); }
.btn-secondary:hover { background: #ccc; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-outline {
  background: none;
  border: 1px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }

/* ═══ FORMS ═══ */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
  font-family: inherit;
}
.form-control:focus { border-color: var(--primary); }
select.form-control { appearance: none; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23777' d='M6 8L1 3h10z'/%3E%3C/svg%3E") no-repeat right 12px center; padding-right: 36px; }
textarea.form-control { resize: vertical; min-height: 80px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-inline { display: flex; gap: 12px; align-items: flex-end; }

/* ═══ SEARCH BAR ═══ */
.search-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}
.search-bar input {
  flex: 1;
  padding: 10px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  outline: none;
}
.search-bar input:focus { border-color: var(--primary); }

/* ═══ BADGES ═══ */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}
.badge-green { background: #e8f5e9; color: #2e7d32; }
.badge-red { background: #ffebee; color: #c62828; }
.badge-orange { background: #fff3e0; color: #e65100; }
.badge-blue { background: #e3f2fd; color: #1565c0; }
.badge-gray { background: #f5f5f5; color: #616161; }

/* ═══ PAIN LEVEL COLORS ═══ */
.pain-0, .pain-1, .pain-2, .pain-3 { color: var(--primary); }
.pain-4, .pain-5, .pain-6 { color: var(--warning); }
.pain-7, .pain-8, .pain-9, .pain-10 { color: var(--danger); }

.pain-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
}
.pain-low { background: var(--primary); }
.pain-mid { background: var(--warning); }
.pain-high { background: var(--danger); }

/* ═══ PAIN SLIDER ═══ */
input[type="range"].pain-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(to right, #4CAF50 0%, #FFEB3B 40%, #FF9800 60%, #F44336 100%);
  outline: none;
}
input[type="range"].pain-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--primary-dark);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}
input[type="range"].pain-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--primary-dark);
  cursor: pointer;
}

/* ═══ TABS ═══ */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 20px;
  overflow-x: auto;
}
.tab-btn {
  padding: 12px 20px;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light);
  cursor: pointer;
  white-space: nowrap;
  transition: all .2s;
  margin-bottom: -2px;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ═══ DENTAL CROSS ═══ */
.dental-cross {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px;
}
.dental-row {
  display: flex;
  gap: 4px;
  align-items: center;
}
.dental-row .separator {
  width: 2px;
  height: 40px;
  background: var(--border);
  margin: 0 8px;
}
.tooth {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  transition: transform .15s;
  border: 2px solid rgba(0,0,0,0.1);
}
.tooth:hover { transform: scale(1.15); }
.tooth-healthy { background: #4CAF50; }
.tooth-cavity { background: #FFC107; color: #333; }
.tooth-crown { background: #FF9800; }
.tooth-endo { background: #F44336; }
.tooth-implant { background: #2196F3; }
.tooth-augmentation { background: #795548; }
.tooth-missing { background: #e0e0e0; color: #999; }
.tooth-unknown { background: #9e9e9e; }
.dental-divider {
  width: 80%;
  height: 2px;
  background: var(--border);
  margin: 4px 0;
}

/* ═══ TOAST ═══ */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  padding: 14px 20px;
  border-radius: var(--radius);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  animation: slideIn .3s ease;
  max-width: 360px;
}
.toast-success { background: var(--primary); }
.toast-error { background: var(--danger); }
.toast-warning { background: var(--warning); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ═══ SPINNER ═══ */
.spinner {
  display: inline-block;
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  gap: 12px;
  color: var(--text-light);
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ═══ EMPTY STATE ═══ */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-light);
}
.empty-state .icon { font-size: 48px; margin-bottom: 12px; }

/* ═══ QUICK ACTIONS ═══ */
.quick-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.quick-action {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all .2s;
  font-size: 14px;
  font-weight: 500;
}
.quick-action:hover { border-color: var(--primary); color: var(--primary); }
.quick-action .icon { font-size: 20px; }

/* ═══ MODAL ═══ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal {
  background: var(--card);
  border-radius: 12px;
  width: 560px;
  max-width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  font-size: 16px;
}
.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-light);
  line-height: 1;
}
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* ═══ PAGINATION ═══ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}
.pagination button {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  cursor: pointer;
  font-size: 13px;
  transition: all .2s;
}
.pagination button:hover { border-color: var(--primary); }
.pagination button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination button:disabled { opacity: .4; cursor: not-allowed; }

/* ═══ CALENDAR ═══ */
.calendar-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.calendar-header input[type="date"] {
  padding: 10px 14px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  outline: none;
}
.calendar-header input[type="date"]:focus { border-color: var(--primary); }

.time-slot {
  display: flex;
  gap: 16px;
  padding: 12px 16px;
  border-left: 4px solid var(--primary);
  background: var(--card);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 8px;
  box-shadow: var(--shadow);
  align-items: center;
}
.time-slot .time { font-weight: 700; font-size: 15px; min-width: 60px; }
.time-slot .details { flex: 1; }
.time-slot .patient-name { font-weight: 600; }
.time-slot .appt-type { font-size: 13px; color: var(--text-light); }

.status-scheduled { border-left-color: var(--info); }
.status-confirmed { border-left-color: var(--primary); }
.status-completed { border-left-color: #9e9e9e; }
.status-cancelled { border-left-color: var(--danger); }
.status-in_progress { border-left-color: var(--warning); }

/* ═══ SURVEY ═══ */
.survey-section {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.survey-section h3 { margin-bottom: 16px; color: var(--primary-dark); }

.radio-group { display: flex; gap: 16px; margin-bottom: 12px; }
.radio-group label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 14px;
}

.slider-group { margin-bottom: 16px; }
.slider-group .slider-label {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  margin-bottom: 4px;
}
.slider-group .slider-value {
  font-weight: 700;
  font-size: 18px;
  color: var(--primary);
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .btn-hamburger { display: block; }
  .cards-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .dental-row { flex-wrap: wrap; justify-content: center; }
  .tooth { width: 30px; height: 30px; font-size: 10px; }
  .quick-actions { flex-direction: column; }
}