/* ─────────────────────────────────────────────────────────────────
   THE BB 진료차트 - Global Styles
   Dark Medical Professional Theme
───────────────────────────────────────────────────────────────── */

:root {
  /* Colors - Clean White Medical Theme */
  --bg-primary: #F8FAFC;
  --bg-secondary: #EDF2F7;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F1F5F9;
  --bg-sidebar: #FFFFFF;
  --bg-modal: #FFFFFF;
  --bg-input: #FFFFFF;
  --bg-header: #FFFFFF;

  --border: #E2E8F0;
  --border-light: #CBD5E1;

  --accent: #2563EB; /* Clean Deep Blue */
  --accent-hover: #1D4ED8;
  --accent-glow: rgba(37, 99, 235, 0.25);

  --success: #10B981;
  --success-bg: rgba(16, 185, 129, 0.15);
  --warning: #F59E0B;
  --warning-bg: rgba(245, 158, 11, 0.15);
  --danger: #EF4444;
  --danger-bg: rgba(239, 68, 68, 0.15);
  --info: #3B82F6;
  --info-bg: rgba(59, 130, 246, 0.15);

  --text-primary: #1E293B;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --text-accent: #2563EB;

  /* Status Colors */
  --status-scheduled: #3B82F6;
  --status-inprogress: #F59E0B;
  --status-completed: #10B981;
  --status-cancelled: #EF4444;
  --status-noshow: #94A3B8;

  /* Spacing */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* Shadows for Light Theme */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-accent: 0 4px 14px rgba(37, 99, 235, 0.3);

  /* Transitions */
  --transition: 0.2s ease;
  --transition-slow: 0.35s ease;

  /* Sidebar width */
  --sidebar-w: 240px;
  --header-h: 56px;
}

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

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: 'Noto Sans KR', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#root {
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* ─── Scrollbar ──────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ─── Typography ─────────────────────────────── */
h1, h2, h3, h4 { font-weight: 600; letter-spacing: -0.3px; }
h1 { font-size: 20px; }
h2 { font-size: 16px; }
h3 { font-size: 14px; }
h4 { font-size: 13px; }

/* ─── Buttons ────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: var(--shadow-accent);
  transform: translateY(-1px);
}

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

.btn-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(255, 107, 107, 0.3);
}
.btn-danger:hover {
  background: var(--danger);
  color: #fff;
}

.btn-success {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(78, 205, 196, 0.3);
}
.btn-success:hover {
  background: var(--success);
  color: #fff;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 11.5px;
}

.btn-icon {
  padding: 7px;
  width: 32px;
  height: 32px;
  justify-content: center;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ─── Inputs ─────────────────────────────────── */
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 9px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238892A4' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
  cursor: pointer;
}

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

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 5px;
  letter-spacing: 0.3px;
}

.form-group { display: flex; flex-direction: column; gap: 5px; }

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

/* ─── Cards ──────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.card:hover { border-color: var(--border-light); }

/* ─── Badges ─────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}

.badge-scheduled { background: rgba(59, 130, 246, 0.15); color: var(--status-scheduled); }
.badge-inprogress { background: var(--warning-bg); color: var(--warning); }
.badge-completed { background: var(--success-bg); color: var(--success); }
.badge-cancelled { background: var(--danger-bg); color: var(--danger); }
.badge-noshow { background: rgba(148, 163, 184, 0.15); color: var(--text-secondary); }

/* ─── Modal ──────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.15s ease;
}

.modal {
  background: var(--bg-modal);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.2s ease;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}

.modal-body { padding: 22px; display: flex; flex-direction: column; gap: 14px; }
.modal-footer {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding: 16px 22px;
  border-top: 1px solid var(--border);
}

/* ─── Toast ──────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 12px 16px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 260px;
  animation: slideLeft 0.25s ease;
  font-size: 13px;
}

.toast-success { border-left: 3px solid var(--success); }
.toast-error { border-left: 3px solid var(--danger); }
.toast-info { border-left: 3px solid var(--accent); }
.toast-warning { border-left: 3px solid var(--warning); }

/* ─── Loading ────────────────────────────────── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-light);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  flex: 1;
  gap: 10px;
  color: var(--text-secondary);
}

/* ─── Animations ─────────────────────────────── */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideLeft { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

.pulse { animation: pulse 1.5s ease-in-out infinite; }

/* ─── Color Picker ───────────────────────────── */
.color-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

/* ─── Status Dot ─────────────────────────────── */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

/* ─── Tooltip ────────────────────────────────── */
[data-tooltip] {
  position: relative;
}
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 100;
}
[data-tooltip]:hover::after { opacity: 1; }

/* ─── Divider ────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}

/* ─── Empty State ────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 40px;
  color: var(--text-muted);
  text-align: center;
}
.empty-state svg { opacity: 0.3; }
.empty-state p { font-size: 13px; }

/* ─── Tab Bar ────────────────────────────────── */
.tabs {
  display: flex;
  gap: 2px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  padding: 3px;
}

.tab {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  background: none;
  font-family: inherit;
}

.tab.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.tab:hover:not(.active) { color: var(--text-primary); }

/* ─── Sync Indicator ─────────────────────────── */
.sync-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  color: var(--text-secondary);
}
.sync-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
}
.sync-dot.offline { background: var(--danger); animation: pulse 1s infinite; }
.sync-dot.syncing { background: var(--warning); animation: pulse 0.5s infinite; }

/* ─── Section Header ─────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

/* ─── Context Menu ───────────────────────────── */
.context-menu {
  position: fixed;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 500;
  min-width: 160px;
  overflow: hidden;
  animation: fadeIn 0.1s ease;
}

.context-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  cursor: pointer;
  transition: background var(--transition);
  font-size: 13px;
}
.context-menu-item:hover { background: var(--bg-card-hover); }
.context-menu-item.danger { color: var(--danger); }
.context-menu-item.danger:hover { background: var(--danger-bg); }