/* ============================================================
   ECOGRAFÍA CRÍTICA — Sistema de Administración Médica
   Diseño Institucional Profesional
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,300&family=DM+Serif+Display:ital@0;1&family=Oswald:wght@600;700&display=swap');

/* ============================================================
   ESTILOS Y FUENTE OFICIAL ECOGRAFÍA CRÍTICA (#2E72A2 + Bebas Neue)
   ============================================================ */
.titulo-ecografia {
  font-family: 'Bebas Neue', sans-serif !important;
  font-size: 2.5rem;
  letter-spacing: 1px;
  color: #2E72A2 !important;
  text-transform: uppercase;
}

.texto-ecografia {
  color: #FFFFFF !important;
}

/* ============================================================
   FUENTES OFICIALES DE MARCA (Oswald + Varela Round)
   ============================================================ */
@font-face {
  font-family: 'EcografiaBrandFont';
  src: url('../fonts/VarelaRound-Regular.ttf') format('truetype'),
       url('/fonts/VarelaRound-Regular.ttf') format('truetype'),
       url('fonts/VarelaRound-Regular.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* 1. ECOGRAFÍA CRÍTICA (Fuente Alta y Condensada 1:1 con Isologotipo Oficial) */
.brand-title-condensed,
.sidebar-brand-name {
  font-family: 'Bebas Neue', 'Oswald', sans-serif !important;
  font-weight: 700 !important;
  text-transform: uppercase !important;
  letter-spacing: 1px !important;
  color: #2E72A2 !important;
}

.brand-title-condensed span,
.sidebar-brand-name span {
  color: inherit !important;
}

/* 2. HEAD TO TOE (Fuente Redondeada Varela Round 1:1 con Isologotipo Oficial) */
.brand-tagline-rounded,
.sidebar-brand-tagline,
.student-drawer-subtitle {
  font-family: 'EcografiaBrandFont', 'Varela Round', sans-serif !important;
  font-weight: 700 !important;
  text-transform: uppercase !important;
  letter-spacing: 1.5px !important;
}

/* ============================================================
   VARIABLES CSS
   ============================================================ */
:root {
  /* Brand Colors */
  --primary: #0C3B6B;
  --primary-dark: #072950;
  --primary-light: #1A5499;
  --primary-pale: #EBF2FA;
  --accent: #00A878;
  --accent-dark: #007A58;
  --accent-light: #00C88E;
  --accent-pale: #E6F7F2;

  /* Status Colors */
  --success: #16A34A;
  --success-bg: #DCFCE7;
  --success-border: #86EFAC;
  --warning: #D97706;
  --warning-bg: #FEF3C7;
  --warning-border: #FCD34D;
  --danger: #DC2626;
  --danger-bg: #FEE2E2;
  --danger-border: #FCA5A5;
  --info: #0284C7;
  --info-bg: #E0F2FE;
  --info-border: #7DD3FC;

  /* Neutrals */
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;

  /* Layout */
  --sidebar-width: 278px;
  --sidebar-collapsed: 72px;
  --header-height: 68px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.05);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.1), 0 4px 12px rgba(0,0,0,0.06);
  --shadow-xl: 0 24px 48px rgba(0,0,0,0.12);

  /* Typography */
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-display: 'DM Serif Display', Georgia, serif;

  /* Transitions */
  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--gray-100);
  color: var(--gray-800);
  line-height: 1.6;
  font-size: 14.5px;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* ============================================================
   LAYOUT PRINCIPAL
   ============================================================ */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: width var(--transition);
  overflow: hidden;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  min-height: var(--header-height);
}

.sidebar-brand-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0,168,120,0.4);
}

.sidebar-brand-icon svg { color: white; }

.sidebar-brand-text {
  display: flex; flex-direction: column;
}
.sidebar-brand-name {
  font-family: var(--font-display);
  font-size: 17px;
  color: white;
  line-height: 1.2;
  letter-spacing: 0.3px;
}
.sidebar-brand-tagline {
  font-size: 10.5px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-top: 1px;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
  scrollbar-width: none;
}
.sidebar-nav::-webkit-scrollbar { display: none; }

.nav-section {
  margin-bottom: 4px;
}

.nav-section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  padding: 10px 20px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  margin: 1px 8px;
  border-radius: var(--radius-md);
  color: rgba(255,255,255,0.7);
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition);
  position: relative;
  min-width: 0;
}

.nav-item > span:first-of-type {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-item:hover {
  background: rgba(255,255,255,0.1);
  color: white;
}

.nav-item.active {
  background: rgba(255,255,255,0.15);
  color: white;
  box-shadow: inset 3px 0 0 var(--accent);
}

.nav-item svg { flex-shrink: 0; width: 17px; height: 17px; }

.nav-badge {
  margin-left: auto;
  background: var(--accent);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 99px;
  min-width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.badge-avion-vacaciones {
  background: linear-gradient(135deg, #0284C7, #0369A1) !important;
  color: #FFFFFF !important;
  font-weight: 800 !important;
  font-size: 11px !important;
  min-width: 24px !important;
  height: 22px !important;
  padding: 0 6px !important;
  border-radius: 11px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 3px !important;
  flex-shrink: 0 !important;
  margin-left: auto !important;
  box-shadow: 0 2px 6px rgba(2,132,199,0.5) !important;
}

.sidebar-footer {
  padding: 14px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.user-card {
  display: flex; align-items: center; gap: 10px;
  padding: 10px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.08);
  cursor: pointer;
  transition: background var(--transition);
}
.user-card:hover { background: rgba(255,255,255,0.14); }

.user-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; color: white;
  flex-shrink: 0;
}
.user-info { flex: 1; min-width: 0; }
.user-name { font-size: 13px; font-weight: 600; color: white; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 11px; color: rgba(255,255,255,0.5); }

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition);
}

/* ============================================================
   HEADER
   ============================================================ */
.top-header {
  position: sticky; top: 0;
  background: white;
  height: var(--header-height);
  display: flex; align-items: center;
  padding: 0 28px;
  gap: 16px;
  border-bottom: 1px solid var(--gray-200);
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.header-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  display: flex; align-items: center; gap: 8px;
  white-space: nowrap;
  flex-shrink: 0;
}
.header-title-sub {
  font-size: 13px;
  font-weight: 400;
  color: var(--gray-500);
}

.header-spacer { flex: 1; }

.header-search {
  position: relative;
}
.header-search input {
  padding: 9px 16px 9px 38px;
  background: var(--gray-100);
  border: 1.5px solid var(--gray-200);
  border-radius: 99px;
  font-size: 13.5px;
  width: 260px;
  transition: all var(--transition);
  outline: none;
  color: var(--gray-800);
}
.header-search input:focus {
  border-color: var(--primary-light);
  background: white;
  box-shadow: 0 0 0 3px rgba(26,84,153,0.1);
}
.header-search-icon {
  position: absolute; left: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
  width: 15px; height: 15px;
}

.header-btn {
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-600);
  background: var(--gray-100);
  border: 1.5px solid var(--gray-200);
  transition: all var(--transition);
  position: relative;
  font-size: 0;
}
.header-btn:hover { background: var(--primary-pale); color: var(--primary); border-color: var(--primary-pale); }
.header-btn svg { width: 17px; height: 17px; }

.notif-dot {
  position: absolute; top: 7px; right: 7px;
  width: 8px; height: 8px;
  background: var(--danger);
  border-radius: 50%;
  border: 2px solid white;
}

/* ============================================================
   PAGE CONTENT
   ============================================================ */
.page-content {
  flex: 1;
  padding: 28px;
  overflow-y: auto;
}

.page-section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 22px;
}
.page-section-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-900);
  display: flex; align-items: center; gap: 8px;
}
.page-section-title svg { color: var(--primary); width: 18px; height: 18px; }

/* ============================================================
   STAT CARDS
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
  margin-bottom: 26px;
}

.stat-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
  cursor: default;
}
.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}
.stat-card.card-primary::before { background: linear-gradient(90deg, var(--primary), var(--primary-light)); }
.stat-card.card-success::before { background: linear-gradient(90deg, var(--success), #22C55E); }
.stat-card.card-warning::before { background: linear-gradient(90deg, var(--warning), #F59E0B); }
.stat-card.card-danger::before  { background: linear-gradient(90deg, var(--danger), #EF4444); }
.stat-card.card-accent::before  { background: linear-gradient(90deg, var(--accent), var(--accent-light)); }
.stat-card.card-info::before    { background: linear-gradient(90deg, var(--info), #38BDF8); }

.stat-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.stat-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--gray-500);
}
.stat-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
}
.stat-icon svg { width: 18px; height: 18px; }

.stat-icon.icon-primary { background: var(--primary-pale); color: var(--primary); }
.stat-icon.icon-success { background: var(--success-bg); color: var(--success); }
.stat-icon.icon-warning { background: var(--warning-bg); color: var(--warning); }
.stat-icon.icon-danger  { background: var(--danger-bg);  color: var(--danger); }
.stat-icon.icon-accent  { background: var(--accent-pale); color: var(--accent); }
.stat-icon.icon-info    { background: var(--info-bg);    color: var(--info); }

.stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1;
  margin-bottom: 5px;
}
.stat-sub {
  font-size: 12px;
  color: var(--gray-400);
  display: flex; align-items: center; gap: 4px;
}
.stat-sub.up { color: var(--success); }
.stat-sub.down { color: var(--danger); }

/* ============================================================
   CARDS & PANELS
   ============================================================ */
.card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  overflow: hidden;
}

.card-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--gray-200);
  display: flex; align-items: center; justify-content: space-between;
  background: white;
}
.card-title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--gray-900);
  display: flex; align-items: center; gap: 8px;
}
.card-title svg { color: var(--primary); width: 16px; height: 16px; }

.card-body { padding: 22px; }
.card-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--gray-100);
  background: var(--gray-50);
}

/* ============================================================
   TABLES
   ============================================================ */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
}

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

thead th {
  padding: 12px 16px;
  background: var(--gray-50);
  border-bottom: 1.5px solid var(--gray-200);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--gray-500);
  text-align: left;
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid var(--gray-100);
  transition: background var(--transition);
}
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--gray-50); }

tbody td {
  padding: 13px 16px;
  font-size: 13.5px;
  color: var(--gray-700);
  vertical-align: middle;
}

.td-primary { font-weight: 600; color: var(--gray-900); }
.td-mono { font-family: 'SF Mono', monospace; font-size: 12px; background: var(--gray-100); padding: 2px 7px; border-radius: 4px; }

/* ============================================================
   BADGES / STATUS
   ============================================================ */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
}
.badge svg { width: 11px; height: 11px; }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-danger  { background: var(--danger-bg);  color: var(--danger); }
.badge-info    { background: var(--info-bg);    color: var(--info); }
.badge-primary { background: var(--primary-pale); color: var(--primary); }
.badge-secondary { background: var(--gray-100); color: var(--gray-600); }
.badge-accent  { background: var(--accent-pale); color: var(--accent-dark); }

/* Indicadores de estado tipo dot */
.status-dot {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 500;
}
.status-dot::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.status-dot.dot-success::before { background: var(--success); box-shadow: 0 0 0 3px var(--success-bg); }
.status-dot.dot-warning::before { background: var(--warning); box-shadow: 0 0 0 3px var(--warning-bg); }
.status-dot.dot-danger::before  { background: var(--danger);  box-shadow: 0 0 0 3px var(--danger-bg); }
.status-dot.dot-info::before    { background: var(--info);    box-shadow: 0 0 0 3px var(--info-bg); }

/* ============================================================
   PAYMENT TRACKER
   ============================================================ */
.payment-track {
  display: flex; align-items: center; gap: 0;
}
.payment-step {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  margin: 0 2px;
}
.payment-step.paid   { background: var(--success); }
.payment-step.partial { background: var(--warning); }
.payment-step.unpaid { background: var(--gray-200); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
  border: 1.5px solid transparent;
}
.btn svg { width: 15px; height: 15px; }

.btn-primary {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(12,59,107,0.3);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(12,59,107,0.35); }

.btn-accent {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(0,168,120,0.3);
}
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-1px); }

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

.btn-ghost {
  background: transparent;
  color: var(--gray-600);
  border-color: var(--gray-200);
}
.btn-ghost:hover { background: var(--gray-100); color: var(--gray-900); }

.btn-danger {
  background: var(--danger);
  color: white;
  border-color: var(--danger);
}
.btn-danger:hover { background: #B91C1C; }

.btn-sm { padding: 6px 12px; font-size: 12px; border-radius: var(--radius-sm); }
.btn-lg { padding: 12px 24px; font-size: 15px; }
.btn-icon { padding: 8px; border-radius: var(--radius-md); }

/* ============================================================
   FORMS
   ============================================================ */
.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--gray-700);
  margin-bottom: 6px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}
.form-label .req { color: var(--danger); margin-left: 3px; }

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--gray-900);
  background: white;
  transition: all var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(26,84,153,0.1);
}
.form-control::placeholder { color: var(--gray-400); }
.form-control.is-valid { border-color: var(--success); }
.form-control.is-invalid { border-color: var(--danger); }

select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236B7280' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }

.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.form-hint { font-size: 11.5px; color: var(--gray-500); margin-top: 4px; }

/* ============================================================
   TABS
   ============================================================ */
.tabs {
  display: flex; gap: 0;
  border-bottom: 2px solid var(--gray-200);
  margin-bottom: 22px;
}
.tab-btn {
  padding: 11px 20px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--gray-500);
  position: relative;
  transition: all var(--transition);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  display: flex; align-items: center; gap: 7px;
}
.tab-btn:hover { color: var(--primary); background: var(--primary-pale); }
.tab-btn.active {
  color: var(--primary);
}
.tab-btn.active::after {
  content: '';
  position: absolute; bottom: -2px; left: 0; right: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px 2px 0 0;
}
.tab-btn svg { width: 15px; height: 15px; }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ============================================================
   ALUMNO PROFILE CARD
   ============================================================ */
.profile-card {
  display: flex; align-items: flex-start; gap: 20px;
  padding: 24px;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  margin-bottom: 22px;
}

.profile-avatar-lg {
  width: 80px; height: 80px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; font-weight: 700; color: white;
  flex-shrink: 0;
  border: 3px solid var(--primary-pale);
}

.profile-info { flex: 1; }
.profile-name { font-size: 21px; font-weight: 700; color: var(--gray-900); font-family: var(--font-display); }
.profile-matricula {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-pale);
  padding: 3px 10px;
  border-radius: 99px;
  display: inline-block;
  margin: 5px 0 10px;
  letter-spacing: 0.5px;
}
.profile-meta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }
.profile-meta-item { display: flex; align-items: center; gap: 5px; font-size: 13px; color: var(--gray-500); }
.profile-meta-item svg { width: 13px; height: 13px; color: var(--gray-400); }
.profile-meta-item strong { color: var(--gray-800); font-weight: 600; }

/* ============================================================
   DOCUMENT CHECKLIST
   ============================================================ */
.doc-list { display: flex; flex-direction: column; gap: 10px; }
.doc-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1.5px solid;
  transition: all var(--transition);
}
.doc-item.validated   { background: var(--success-bg); border-color: var(--success-border); }
.doc-item.pending     { background: var(--warning-bg); border-color: var(--warning-border); }
.doc-item.missing     { background: var(--danger-bg);  border-color: var(--danger-border); }

.doc-icon { width: 34px; height: 34px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.doc-item.validated .doc-icon { background: var(--success); color: white; }
.doc-item.pending .doc-icon   { background: var(--warning); color: white; }
.doc-item.missing .doc-icon   { background: var(--danger);  color: white; }
.doc-icon svg { width: 15px; height: 15px; }

.doc-name { font-size: 13.5px; font-weight: 600; color: var(--gray-800); }
.doc-status-text { font-size: 11.5px; color: var(--gray-500); }
.doc-actions { margin-left: auto; display: flex; gap: 6px; }

/* ============================================================
   PAYMENT PROGRESS
   ============================================================ */
.payment-progress-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 20px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}
.payment-progress-bar {
  height: 8px;
  background: var(--gray-100);
  border-radius: 99px;
  overflow: hidden;
  margin: 10px 0;
}
.payment-progress-fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transition: width 0.5s ease;
}
.payment-amounts { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--gray-500); }
.payment-amounts .paid-amount { font-weight: 700; color: var(--success); font-size: 15px; }
.payment-amounts .pending-amount { font-weight: 700; color: var(--danger); font-size: 15px; }

/* ============================================================
   COURSE CARD
   ============================================================ */
.course-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 18px;
}

.course-card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: all var(--transition);
}
.course-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.course-card-header {
  padding: 18px 20px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  display: flex; justify-content: space-between; align-items: flex-start;
}
.course-type-badge {
  font-size: 10px; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.15); padding: 3px 8px; border-radius: 99px;
}
.course-card-name {
  font-size: 15px; font-weight: 700; color: white; margin-top: 8px;
  font-family: var(--font-display); line-height: 1.3;
}
.course-card-body { padding: 18px 20px; }
.course-meta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.course-meta-item { font-size: 12px; }
.course-meta-item label { color: var(--gray-400); font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; display: block; margin-bottom: 2px; }
.course-meta-item span { color: var(--gray-800); font-weight: 600; }

.course-capacity-bar { margin-top: 12px; }
.capacity-label { display: flex; justify-content: space-between; font-size: 11.5px; color: var(--gray-500); margin-bottom: 5px; }
.capacity-bar { height: 5px; background: var(--gray-100); border-radius: 99px; overflow: hidden; }
.capacity-fill { height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--accent), var(--accent-light)); }

/* ============================================================
   FILTERS BAR
   ============================================================ */
.filters-bar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-bottom: 20px;
}
.filter-select {
  padding: 8px 12px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-family: var(--font-body);
  color: var(--gray-700);
  background: white;
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition);
}
.filter-select:focus { border-color: var(--primary-light); }

/* ============================================================
   MODALS
   ============================================================ */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  display: flex; flex-direction: column;
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition);
}
.modal-overlay.open .modal { transform: scale(1) translateY(0); }

.modal-header {
  padding: 22px 26px;
  border-bottom: 1px solid var(--gray-200);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-title { font-size: 17px; font-weight: 700; color: var(--gray-900); }
.modal-close {
  width: 32px; height: 32px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-500);
  transition: all var(--transition);
}
.modal-close:hover { background: var(--gray-100); color: var(--gray-900); }
.modal-close svg { width: 18px; height: 18px; }

.modal-body { padding: 26px; overflow-y: auto; }
.modal-footer {
  padding: 18px 26px;
  border-top: 1px solid var(--gray-200);
  display: flex; gap: 10px; justify-content: flex-end;
}

/* ============================================================
   TOOLTIPS & MISC
   ============================================================ */
.tag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px;
  background: var(--gray-100);
  border-radius: 99px;
  font-size: 12px;
  color: var(--gray-700);
  font-weight: 500;
}
.tag svg { width: 11px; height: 11px; }

.divider { height: 1px; background: var(--gray-200); margin: 18px 0; }

.empty-state {
  text-align: center; padding: 48px 24px;
  color: var(--gray-400);
}
.empty-state svg { width: 48px; height: 48px; margin: 0 auto 14px; opacity: 0.4; }
.empty-state h3 { font-size: 16px; color: var(--gray-500); margin-bottom: 6px; }
.empty-state p { font-size: 13px; }

/* Chip tipo origin */
.origin-chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 99px;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
}
.origin-facebook   { background: #EEF2FF; color: #4F46E5; }
.origin-instagram  { background: #FDF2F8; color: #BE185D; }
.origin-whatsapp   { background: #ECFDF5; color: #047857; }
.origin-web        { background: var(--info-bg); color: var(--info); }
.origin-referido   { background: #FFF7ED; color: #C2410C; }
.origin-campana    { background: #F5F3FF; color: #6D28D9; }
.origin-otro       { background: var(--gray-100); color: var(--gray-600); }

/* ============================================================
   ALERTAS
   ============================================================ */
.alert {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1.5px solid;
  margin-bottom: 16px;
}
.alert svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }
.alert-success { background: var(--success-bg); border-color: var(--success-border); color: #14532D; }
.alert-warning { background: var(--warning-bg); border-color: var(--warning-border); color: #78350F; }
.alert-danger  { background: var(--danger-bg);  border-color: var(--danger-border);  color: #7F1D1D; }
.alert-info    { background: var(--info-bg);    border-color: var(--info-border);    color: #075985; }

/* ============================================================
   RESPONSIVE (MOBILE & TABLET ADAPTATION)
   ============================================================ */
@media (max-width: 1100px) and (min-width: 993px) {
  .sidebar { width: var(--sidebar-collapsed); }
  .sidebar-brand-text, .nav-section-label, .nav-item span,
  .nav-badge, .user-info { display: none; }
  .main-content { margin-left: var(--sidebar-collapsed); }
  .nav-item { justify-content: center; }
}

@media (max-width: 992px) {
  .btn-mobile-menu {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
  }
  .sidebar {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    bottom: 0 !important;
    width: 270px !important;
    height: 100vh !important;
    z-index: 100000 !important;
    transform: translateX(-100%) !important;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    box-shadow: 4px 0 25px rgba(0, 0, 0, 0.3) !important;
    background: var(--sidebar-bg, #0F172A) !important;
  }
  .sidebar.open {
    transform: translateX(0) !important;
  }
  .sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(3px);
    z-index: 99999;
  }
  .sidebar-backdrop.open {
    display: block !important;
  }
  .sidebar-brand-text, .nav-section-label, .nav-item span, .nav-badge, .user-info {
    display: flex !important;
  }
  .sidebar-brand-text {
    flex-direction: column !important;
  }
  .nav-item {
    justify-content: flex-start !important;
  }
  .main-content {
    margin-left: 0 !important;
    width: 100% !important;
  }
  .top-header {
    padding: 8px 12px !important;
    height: auto !important;
    min-height: 56px !important;
    flex-wrap: wrap !important;
    gap: 8px 10px !important;
    align-items: center !important;
  }
  .header-title {
    font-size: 15px !important;
    max-width: 190px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }
  .page-content {
    padding: 12px !important;
    overflow-x: hidden !important;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
  }
  .course-cards-grid {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 640px) {
  .top-header {
    padding: 8px 10px !important;
  }
  .header-search {
    display: none !important;
  }
  .stats-grid {
    grid-template-columns: 1fr !important;
  }
  .header-title {
    font-size: 14px !important;
    max-width: 140px !important;
  }
  table, .table-responsive, [style*="overflow-x"] {
    max-width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
  }
}

/* ============================================================
   SCROLLBAR CUSTOM
   ============================================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-10px); }
  to   { opacity: 1; transform: translateX(0); }
}

.animate-in { animation: fadeIn 0.3s ease both; }
.animate-in-delay-1 { animation-delay: 0.05s; }
.animate-in-delay-2 { animation-delay: 0.10s; }
.animate-in-delay-3 { animation-delay: 0.15s; }
.animate-in-delay-4 { animation-delay: 0.20s; }
.animate-in-delay-5 { animation-delay: 0.25s; }

/* ============================================================
   TEMAS Y ESTILOS PERSONALIZADOS (DARK MODE & PRESENCIA TEAMS)
   ============================================================ */
.user-status-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid #ffffff;
  position: absolute;
  bottom: 0;
  right: 0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.status-dot-disponible { background-color: #10B981; }   /* Verde */
.status-dot-ausente { background-color: #F59E0B; }      /* Naranja */
.status-dot-ocupado { background-color: #EF4444; }      /* Rojo */
.status-dot-desconectado { background-color: #64748B; } /* Gris Sin Conexión */

/* Variaciones de Temas de Color */
body[data-theme="purpura"] {
  --primary: #6D28D9;
  --primary-dark: #4C1D95;
  --primary-light: #8B5CF6;
  --primary-pale: #F3E8FF;
}
body[data-theme="verde"] {
  --primary: #059669;
  --primary-dark: #047857;
  --primary-light: #10B981;
  --primary-pale: #ECFDF5;
}
body[data-theme="rojo"] {
  --primary: #DC2626;
  --primary-dark: #991B1B;
  --primary-light: #EF4444;
  --primary-pale: #FEF2F2;
}
body[data-theme="oscuro"] {
  --primary: #1E293B;
  --primary-dark: #0F172A;
  --primary-light: #334155;
  --primary-pale: #F1F5F9;
}

/* Tamaño de Letra del Sistema */
body[data-font-size="chica"],
body[data-font-size="chica"] table,
body[data-font-size="chica"] .card,
body[data-font-size="chica"] .form-control,
body[data-font-size="chica"] .form-label,
body[data-font-size="chica"] button,
body[data-font-size="chica"] select,
body[data-font-size="chica"] input,
body[data-font-size="chica"] textarea,
body[data-font-size="chica"] td,
body[data-font-size="chica"] th,
body[data-font-size="chica"] p,
body[data-font-size="chica"] span,
body[data-font-size="chica"] a,
body[data-font-size="chica"] label {
  font-size: 12px !important;
}

body[data-font-size="normal"] {
  font-size: 14.5px;
}

body[data-font-size="grande"],
body[data-font-size="grande"] table,
body[data-font-size="grande"] .card,
body[data-font-size="grande"] .form-control,
body[data-font-size="grande"] .form-label,
body[data-font-size="grande"] button,
body[data-font-size="grande"] select,
body[data-font-size="grande"] input,
body[data-font-size="grande"] textarea,
body[data-font-size="grande"] td,
body[data-font-size="grande"] th,
body[data-font-size="grande"] p,
body[data-font-size="grande"] span,
body[data-font-size="grande"] a,
body[data-font-size="grande"] label {
  font-size: 17.5px !important;
}

/* Modo Oscuro Global */
body.dark-mode {
  background-color: #0F172A !important;
  color: #F8FAFC !important;
}
body.dark-mode .card,
body.dark-mode .top-header,
body.dark-mode footer,
body.dark-mode #notificationsDropdown,
body.dark-mode #messagesDropdown,
body.dark-mode #configDropdown,
body.dark-mode #globalSearchResults,
body.dark-mode #userMenuDropdown {
  background-color: #1E293B !important;
  color: #F8FAFC !important;
  border-color: #334155 !important;
}
body.dark-mode .header-search input {
  background-color: #334155 !important;
  color: #FFFFFF !important;
  border-color: #475569 !important;
}
body.dark-mode table.table th {
  background-color: #1E293B !important;
  color: #94A3B8 !important;
}
body.dark-mode table.table td {
  color: #CBD5E1 !important;
  border-bottom-color: #334155 !important;
}
body.dark-mode .form-control,
body.dark-mode select,
body.dark-mode input[type="text"],
body.dark-mode textarea {
  background-color: #1E293B !important;
  color: #F8FAFC !important;
  border-color: #475569 !important;
}

/* Sidebar Collapse Mode */
body.sidebar-collapsed .sidebar {
  width: 72px !important;
}
body.sidebar-collapsed .sidebar-brand-text,
body.sidebar-collapsed .nav-section-label,
body.sidebar-collapsed .nav-item span,
body.sidebar-collapsed .nav-badge,
body.sidebar-collapsed .user-info,
body.sidebar-collapsed .submenu {
  display: none !important;
}
body.sidebar-collapsed .main-content {
  margin-left: 72px !important;
}
body.sidebar-collapsed .sidebar-brand {
  padding: 12px 10px !important;
  justify-content: center !important;
}
body.sidebar-collapsed .nav-item {
  justify-content: center !important;
  padding: 12px 0 !important;
}

/* ============================================================
   EFECTO ROLLING NUMBER ANIMATION (SLOT MACHINE / FINTECH CARDS)
   ============================================================ */
.kpi-roulette-card {
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease, border-color 0.2s ease !important;
  will-change: transform, box-shadow;
  cursor: pointer;
}

.kpi-roulette-card:hover {
  transform: translateY(-4px) scale(1.015) !important;
  box-shadow: 0 12px 24px -6px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.03) !important;
  border-color: #CBD5E1 !important;
}

.rolling-number-container {
  display: inline-flex !important;
  align-items: center !important;
  overflow: hidden !important;
  height: 28px !important;
  line-height: 28px !important;
  vertical-align: middle !important;
  font-variant-numeric: tabular-nums !important;
  font-weight: 800 !important;
  letter-spacing: -0.5px !important;
}

.rolling-digit-col {
  position: relative !important;
  display: inline-block !important;
  height: 28px !important;
  overflow: hidden !important;
  width: 15px !important;
  text-align: center !important;
}

.rolling-digit-strip {
  display: flex !important;
  flex-direction: column !important;
  transition: transform 0.5s cubic-bezier(0.1, 0.9, 0.2, 1) !important;
  will-change: transform !important;
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
}

.rolling-digit-item {
  height: 28px !important;
  line-height: 28px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
  font-size: 22px !important;
  font-weight: 800 !important;
  color: #0F172A !important;
}

.rolling-symbol-col {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  height: 28px !important;
  line-height: 28px !important;
  font-size: 22px !important;
  font-weight: 800 !important;
  color: #0F172A !important;
  padding: 0 1px !important;
}

/* DESIGN SYSTEM: MODERN EXECUTIVE FILTER BAR */
.filter-bar-container-modern {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 22px;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.filter-grid-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
  align-items: end;
  width: 100%;
}

.filter-input-modern, .filter-select-modern {
  height: 42px;
  width: 100%;
  border: 1.5px solid #CBD5E1;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  color: #1E293B;
  background-color: #FFFFFF;
  padding: 0 14px;
  outline: none;
  transition: all 0.2s ease-in-out;
  box-sizing: border-box;
}

select.filter-select-modern {
  padding-right: 32px;
  cursor: pointer;
}

.filter-input-modern:focus, .filter-select-modern:focus {
  border-color: #2563EB;
  box-shadow: 0 0 0 3.5px rgba(37, 99, 235, 0.12);
}

.filter-search-wrapper {
  position: relative;
  grid-column: span 2;
}

@media (max-width: 992px) {
  .filter-search-wrapper {
    grid-column: span 1;
  }
}

.filter-search-wrapper input {
  padding: 8px 36px 8px 38px;
}

.filter-search-icon {
  position: absolute;
  left: 12px;
  top: 33px;
  transform: translateY(-50%);
  width: 17px;
  height: 17px;
  color: #94A3B8;
  pointer-events: none;
}

.filter-clear-icon {
  position: absolute;
  right: 12px;
  top: 33px;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: #64748B;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #F1F5F9;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
}

.filter-clear-icon:hover {
  background: #E2E8F0;
  color: #0F172A;
}

.btn-reset-filters {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 42px;
  padding: 0 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  color: #475569;
  background: #F8FAFC;
  border: 1.5px solid #CBD5E1;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  white-space: nowrap;
  width: 100%;
}

.btn-reset-filters:hover {
  background: #EFF6FF;
  border-color: #BFDBFE;
  color: #1D4ED8;
}

.filter-badge-label {
  font-size: 11px;
  font-weight: 700;
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 5px;
  display: block;
}

/* ESTANDARIZACIÓN GLOBAL DE COMBOBOXES Y TEXTFIELDS DE FILTRO */
.form-input-custom,
input.form-input-custom,
select.form-input-custom,
.filter-input-modern,
.filter-select-modern {
  width: 100%;
  box-sizing: border-box !important;
  height: 48px !important;
  min-height: 48px !important;
  line-height: 1.4 !important;
  padding: 12px 18px !important;
  border: 1.5px solid #CBD5E1 !important;
  border-radius: 12px !important;
  font-size: 14px !important;
  font-family: inherit !important;
  color: #1E293B !important;
  background-color: #FFFFFF !important;
  transition: border-color 0.2s, box-shadow 0.2s !important;
  vertical-align: middle !important;
}

.form-input-custom:focus,
input.form-input-custom:focus,
select.form-input-custom:focus,
.filter-input-modern:focus,
.filter-select-modern:focus {
  border-color: #3B82F6 !important;
  outline: none !important;
  box-shadow: 0 0 0 3.5px rgba(59, 130, 246, 0.15) !important;
}

select.form-input-custom,
select.form-control,
select.form-select,
.filter-select-modern {
  appearance: none !important;
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%231E293B'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M8 9l4-4 4 4m0 6l-4 4-4-4'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 16px center !important;
  background-size: 16px 16px !important;
  padding-right: 44px !important;
  cursor: pointer !important;
}




/* ============================================================
   RESPONSIVE DESIGN ADAPTATIONS (MOBILE & TABLET)
   ============================================================ */

/* Mobile Topbar Hamburger Button */
@media (max-width: 1024px) {
  .btn-mobile-menu {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
  }
}

/* Sidebar Mobile Overlay Backdrop */
.sidebar-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.sidebar-backdrop.active {
  display: block;
  opacity: 1;
}

/* Tablets (768px - 1024px) */
@media (max-width: 1024px) {
  .sidebar {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    bottom: 0 !important;
    z-index: 999 !important;
    transform: translateX(-100%) !important;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    box-shadow: 4px 0 25px rgba(0, 0, 0, 0.25) !important;
    width: 270px !important;
  }
  
  .sidebar.open {
    transform: translateX(0) !important;
  }
  
  .sidebar-brand-text, .nav-section-label, .nav-item span, .nav-badge, .user-info {
    display: flex !important;
  }
  
  .main-content {
    margin-left: 0 !important;
    width: 100% !important;
  }

  .page-content {
    padding: 16px 14px !important;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }

  .header-search {
    max-width: 200px !important;
  }
}

/* Mobile Phones (< 768px) */
@media (max-width: 768px) {
  .top-header {
    padding: 6px 10px !important;
    flex-wrap: nowrap !important;
    height: 50px !important;
    min-height: 50px !important;
    gap: 6px !important;
  }

  .header-title {
    display: block !important;
    flex: 1 1 auto !important;
    min-width: 0 !important;
    font-size: 14px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }

  .header-spacer,
  .header-search {
    display: none !important;
  }

  .stats-grid {
    grid-template-columns: 1fr !important;
  }

  .card, .table-card {
    padding: 14px !important;
    border-radius: 10px !important;
  }

  .table-responsive, div.dataTables_wrapper {
    width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }

  table.dataTable, table.table {
    min-width: 600px !important;
  }

  .modal-dialog {
    margin: 10px auto !important;
    max-width: 96% !important;
    width: 96% !important;
  }

  .modal-content {
    padding: 16px !important;
    max-height: 90vh !important;
    overflow-y: auto !important;
  }

  .form-row, .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }
}