/* ============================================================
   UPTAG - Sistema de Laboratorios CONÉCTATE
   Hoja de Estilos Principal - Tema Oscuro
   ============================================================ */

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-card: #1c2128;
  --bg-input: #21262d;
  --border-color: #30363d;
  --accent: #f0a500;
  --accent-hover: #d4920a;
  --accent-light: rgba(240, 165, 0, 0.12);
  --danger: #e74c3c;
  --danger-light: rgba(231, 76, 60, 0.12);
  --success: #2ecc71;
  --success-light: rgba(46, 204, 113, 0.12);
  --info: #3498db;
  --info-light: rgba(52, 152, 219, 0.12);
  --warning: #f39c12;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --transition: all 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  max-width: 98%;
  overflow-y: scroll;
}

/* ============================================================
   LAYOUT GENERAL
   ============================================================ */

.wrapper {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  left: 0;
  top: 0;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-logo {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: var(--accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.sidebar-logo h2 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.sidebar-logo span {
  font-size: 11px;
  color: var(--accent);
  font-weight: 600;
}

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

.nav-section {
  padding: 6px 16px 4px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-top: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 0;
  transition: var(--transition);
  font-size: 13.5px;
  border-left: 3px solid transparent;
  margin: 1px 8px;
  border-radius: var(--radius);
}

.nav-item:hover {
  background: var(--accent-light);
  color: var(--accent);
  border-left-color: var(--accent);
}

.nav-item.active {
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 600;
  border-left-color: var(--accent);
}

.nav-item .icon {
  width: 18px;
  text-align: center;
  font-size: 15px;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-color);
}

.user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  background: var(--bg-card);
  border-radius: var(--radius);
}

.user-avatar {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  color: var(--bg-primary);
  flex-shrink: 0;
}

.user-info {
  flex: 1;
  min-width: 0;
}

.user-info .name {
  font-size: 13px;
  font-weight: 600;
  truncate: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

.user-info .role {
  font-size: 11px;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
}

/* Main content */
.main-content {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar h1 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.topbar .breadcrumb {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-content {
  padding: 24px;
  flex: 1;
}

/* ============================================================
   COMPONENTES - CARDS
   ============================================================ */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title .icon {
  color: var(--accent);
}

/* Stat cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
  min-width: 0;
  overflow: hidden;
}

.stat-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.stat-icon.amber {
  background: var(--accent-light);
  color: var(--accent);
}

.stat-icon.green {
  background: var(--success-light);
  color: var(--success);
}

.stat-icon.blue {
  background: var(--info-light);
  color: var(--info);
}

.stat-icon.red {
  background: var(--danger-light);
  color: var(--danger);
}

.stat-info {
  min-width: 0;
  overflow: hidden;
}

.stat-info .value {
  font-size: 24px;
  font-weight: 800;
  line-height: 1.1;
}

.stat-info .label {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ============================================================
   TABLAS
   ============================================================ */

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

thead th {
  background: var(--bg-input);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
  color: var(--text-primary);
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody tr:hover {
  background: rgba(240, 165, 0, 0.04);
}

/* ============================================================
   HORARIO - VISTA PÚBLICA Y ADMIN
   ============================================================ */

.schedule-container {
  overflow-x: auto;
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}

.schedule-table th {
  background: var(--bg-input);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  padding: 10px 12px;
  text-align: center;
  border: 1px solid var(--border-color);
  white-space: nowrap;
}

.schedule-table .turno-header {
  background: var(--accent);
  color: var(--bg-primary);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.05em;
}

.schedule-table td {
  border: 1px solid var(--border-color);
  padding: 6px 150px;
  text-align: center;
  vertical-align: middle;
  font-size: 12px;
}

.schedule-table .hora-cell {
  background: var(--bg-input);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
  min-width: 110px;
}

.session-block {
  background: var(--accent-light);
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 6px 8px;
  text-align: center;
}

.session-block.externa {
  background: var(--info-light);
  border-color: var(--info);
}

.session-block .pnf-name {
  font-weight: 700;
  color: var(--accent);
  font-size: 11px;
}

.session-block.externa .pnf-name {
  color: var(--info);
}

.session-block .docente-name {
  color: var(--text-primary);
  font-size: 11px;
}

.session-block .uc-name {
  color: var(--text-secondary);
  font-size: 10px;
}

.session-block .seccion {
  color: var(--text-muted);
  font-size: 10px;
}

.libre-cell {
  color: var(--text-muted);
  font-size: 11px;
  font-style: italic;
}

/* Badges de turno */
.badge-turno {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-matutino {
  background: var(--accent-light);
  color: var(--accent);
}

.badge-vespertino {
  background: var(--info-light);
  color: var(--info);
}

.badge-nocturno {
  background: rgba(155, 89, 182, 0.15);
  color: #9b59b6;
}

/* ============================================================
   FORMULARIOS
   ============================================================ */

.form-grid {
  display: grid;
  gap: 16px;
}

.form-grid.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.form-grid.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="time"],
input[type="date"],
input[type="number"],
select,
textarea {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text-primary);
  padding: 10px 14px;
  font-size: 14px;
  font-family: var(--font);
  width: 100%;
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
}

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

select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

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

.input-help {
  font-size: 11px;
  color: var(--text-muted);
}

/* ============================================================
   BOTONES
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: 13.5px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-primary);
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

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

.btn-danger:hover:not(:disabled) {
  background: #c0392b;
}

.btn-success {
  background: var(--success);
  color: var(--bg-primary);
}

.btn-success:hover:not(:disabled) {
  background: #27ae60;
}

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

.btn-secondary:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-info {
  background: var(--info);
  color: #fff;
}

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

.btn-lg {
  padding: 13px 24px;
  font-size: 15px;
}

.btn-icon {
  padding: 8px;
  width: 34px;
  height: 34px;
}

.btn-full {
  width: 100%;
}

/* ============================================================
   ALERTS / MENSAJES
   ============================================================ */

.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  margin-bottom: 16px;
}

.alert-success {
  background: var(--success-light);
  border: 1px solid var(--success);
  color: var(--success);
}

.alert-danger {
  background: var(--danger-light);
  border: 1px solid var(--danger);
  color: var(--danger);
}

.alert-info {
  background: var(--info-light);
  border: 1px solid var(--info);
  color: var(--info);
}

.alert-warning {
  background: rgba(243, 156, 18, .12);
  border: 1px solid var(--warning);
  color: var(--warning);
}

/* ============================================================
   BADGES
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-success {
  background: var(--success-light);
  color: var(--success);
}

.badge-danger {
  background: var(--danger-light);
  color: var(--danger);
}

.badge-info {
  background: var(--info-light);
  color: var(--info);
}

.badge-amber {
  background: var(--accent-light);
  color: var(--accent);
}

.badge-muted {
  background: var(--bg-input);
  color: var(--text-muted);
}

/* ============================================================
   MODALES
   ============================================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
  transform: translateY(20px);
  transition: var(--transition);
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 18px;
  padding: 4px;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--danger);
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ============================================================
   LOGIN PAGE
   ============================================================ */

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  padding: 20px;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow);
}

.login-logo {
  text-align: center;
  margin-bottom: 30px;
}

.login-logo .icon-wrap {
  width: 64px;
  height: 64px;
  background: var(--accent);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin: 0 auto 12px;
}

.login-logo h1 {
  font-size: 20px;
  font-weight: 800;
}

.login-logo p {
  color: var(--text-secondary);
  font-size: 12px;
  margin-top: 4px;
}

/* ============================================================
   PÚBLIC SCHEDULE PAGE
   ============================================================ */

.public-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.public-header .brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.public-header .brand .icon {
  width: 42px;
  height: 42px;
  background: var(--accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.public-header .brand h1 {
  font-size: 18px;
  font-weight: 800;
}

.public-header .brand p {
  font-size: 12px;
  color: var(--text-secondary);
}

.day-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-input);
  padding: 4px;
  border-radius: var(--radius);
  overflow-x: auto;
}

.day-tab {
  padding: 8px 16px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition);
  white-space: nowrap;
  border: none;
  background: none;
  font-family: var(--font);
}

.day-tab.active,
.day-tab:hover {
  background: var(--accent);
  color: var(--bg-primary);
}

.lab-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0;
}

.lab-tab {
  padding: 10px 20px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  font-family: var(--font);
  margin-bottom: -1px;
}

.lab-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.lab-tab:hover {
  color: var(--accent);
}

/* ============================================================
   CHARTS
   ============================================================ */

.chart-container {
  position: relative;
  height: 280px;
}

/* ============================================================
   TOGGLE SWITCH
   ============================================================ */

.toggle-wrap {
  display: flex;
  gap: 4px;
  background: var(--bg-input);
  padding: 4px;
  border-radius: var(--radius);
}

.toggle-opt {
  flex: 1;
  padding: 8px;
  border: none;
  border-radius: 5px;
  background: none;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: var(--transition);
  text-align: center;
}

.toggle-opt.active {
  background: var(--accent);
  color: var(--bg-primary);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

.hamburger {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius);
  padding: 8px;
  cursor: pointer;
  font-size: 18px;
}

@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .hamburger {
    display: flex;
  }

  .form-grid.cols-2,
  .form-grid.cols-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 600px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .login-card {
    padding: 24px;
  }

  .page-content {
    padding: 14px;
  }

  .topbar {
    padding: 12px 14px;
  }
}

/* ============================================================
   UTILS
   ============================================================ */

.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 {
  gap: 8px;
}

.gap-3 {
  gap: 12px;
}

.mb-4 {
  margin-bottom: 16px;
}

.mb-6 {
  margin-bottom: 24px;
}

.mt-4 {
  margin-top: 16px;
}

.text-center {
  text-align: center;
}

.text-muted {
  color: var(--text-muted);
}

.text-sm {
  font-size: 12px;
}

.text-accent {
  color: var(--accent);
}

.text-danger {
  color: var(--danger);
}

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

.fw-bold {
  font-weight: 700;
}

.w-full {
  width: 100%;
}

.hidden {
  display: none !important;
}

.divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 16px 0;
}

/* Spinner */
.spinner {
  border: 3px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  width: 22px;
  height: 22px;
  animation: spin 0.7s linear infinite;
}

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

/* Toast notifications */
#toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 12px 16px;
  min-width: 260px;
  max-width: 380px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow);
  animation: slideIn 0.3s ease;
  font-size: 13.5px;
}

.toast.success {
  border-left: 4px solid var(--success);
}

.toast.error {
  border-left: 4px solid var(--danger);
}

.toast.info {
  border-left: 4px solid var(--info);
}

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

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

/* Print styles */
@media print {

  .sidebar,
  .topbar,
  .btn,
  .hamburger {
    display: none !important;
  }

  .main-content {
    margin-left: 0;
  }

  body {
    background: white;
    color: black;
  }
}