/* ============================================
   PaqueteríaSegura — Design System
   Colors: Navy (#0a1628) + White + Accents
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── CSS Variables ── */
:root {
  --navy-900: #0a1628;
  --navy-800: #0f2040;
  --navy-700: #142b54;
  --navy-600: #1a3a6e;
  --navy-500: #2554a0;
  --navy-400: #3b7ddd;
  --navy-300: #6ea8fe;
  --navy-200: #a3c4f3;
  --navy-100: #d6e4f0;
  --navy-50:  #edf2f9;

  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;

  --success: #10b981;
  --success-bg: #ecfdf5;
  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --danger: #ef4444;
  --danger-bg: #fef2f2;
  --info: #3b82f6;
  --info-bg: #eff6ff;

  --shadow-sm: 0 1px 2px rgba(10, 22, 40, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(10, 22, 40, 0.07), 0 2px 4px -2px rgba(10, 22, 40, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(10, 22, 40, 0.08), 0 4px 6px -4px rgba(10, 22, 40, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(10, 22, 40, 0.1), 0 8px 10px -6px rgba(10, 22, 40, 0.05);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);

  --sidebar-width: 280px;
  --sidebar-collapsed: 72px;
  --header-height: 70px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--gray-50);
  color: var(--gray-700);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

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

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 50%, var(--navy-500) 100%);
  position: relative;
  overflow: hidden;
}

/* Animated background shapes */
.login-page::before,
.login-page::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  opacity: 0.07;
  animation: float 8s ease-in-out infinite;
}

.login-page::before {
  width: 600px;
  height: 600px;
  background: var(--navy-300);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

.login-page::after {
  width: 400px;
  height: 400px;
  background: var(--navy-200);
  bottom: -150px;
  left: -100px;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.05); }
}

.login-container {
  width: 100%;
  max-width: 440px;
  padding: 20px;
  position: relative;
  z-index: 1;
  animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.login-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.login-logo .logo-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--navy-700), var(--navy-500));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 8px 24px rgba(20, 43, 84, 0.3);
}

.login-logo .logo-icon i {
  font-size: 28px;
  color: var(--white);
}

.login-logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy-900);
  letter-spacing: -0.02em;
}

.login-logo p {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-top: 4px;
}

/* Form elements */
.form-group {
  margin-bottom: 20px;
  position: relative;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 8px;
  letter-spacing: 0.01em;
}

.input-wrapper {
  position: relative;
}

.input-wrapper i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  font-size: 0.9rem;
  transition: var(--transition-fast);
  pointer-events: none;
}

.form-control {
  width: 100%;
  padding: 14px 16px 14px 46px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--navy-900);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}

.form-control::placeholder {
  color: var(--gray-400);
}

.form-control:focus {
  border-color: var(--navy-400);
  box-shadow: 0 0 0 4px rgba(59, 125, 221, 0.12);
}

.form-control:focus + i,
.form-control:focus ~ i {
  color: var(--navy-500);
}

.input-wrapper .toggle-password {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 4px;
  pointer-events: all;
  transition: var(--transition-fast);
}

.input-wrapper .toggle-password:hover {
  color: var(--navy-500);
}

.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.checkbox-wrapper input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--navy-600);
  cursor: pointer;
}

.checkbox-wrapper label {
  font-size: 0.8125rem;
  color: var(--gray-600);
  cursor: pointer;
  user-select: none;
}

.forgot-link {
  font-size: 0.8125rem;
  color: var(--navy-500);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-fast);
}

.forgot-link:hover {
  color: var(--navy-700);
  text-decoration: underline;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, var(--navy-700), var(--navy-600));
  color: var(--white);
  box-shadow: 0 4px 14px rgba(20, 43, 84, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--navy-800), var(--navy-700));
  box-shadow: 0 6px 20px rgba(20, 43, 84, 0.45);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(20, 43, 84, 0.3);
}

/* Ripple effect */
.btn::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: radial-gradient(circle, rgba(255,255,255,0.3) 10%, transparent 10%);
  transform: scale(10);
  opacity: 0;
  transition: transform 0.5s, opacity 0.5s;
}

.btn:active::after {
  transform: scale(0);
  opacity: 1;
  transition: 0s;
}

.error-message {
  background: var(--danger-bg);
  border: 1px solid #fecaca;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 20px;
  display: none;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  color: var(--danger);
  animation: shake 0.4s ease-in-out;
}

.error-message.show {
  display: flex;
}

.error-message i {
  font-size: 1rem;
  flex-shrink: 0;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-8px); }
  75% { transform: translateX(8px); }
}

/* ============================================
   DASHBOARD LAYOUT
   ============================================ */

.app-layout {
  display: none;
  min-height: 100vh;
}

.app-layout.active {
  display: flex;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  background: linear-gradient(180deg, var(--navy-900) 0%, var(--navy-800) 100%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  overflow: hidden;
}

.sidebar-header {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.sidebar-header .brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--navy-500), var(--navy-400));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.sidebar-header .brand-icon i {
  font-size: 18px;
  color: var(--white);
}

.sidebar-header .brand-text h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.sidebar-header .brand-text span {
  font-size: 0.6875rem;
  color: var(--navy-300);
  font-weight: 400;
}

/* Navigation */
.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.nav-section-label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--navy-400);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 8px 16px 8px;
  margin-top: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--navy-200);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 2px;
  position: relative;
  white-space: nowrap;
}

.nav-item i {
  width: 20px;
  text-align: center;
  font-size: 1rem;
  flex-shrink: 0;
  transition: var(--transition-fast);
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
}

.nav-item.active {
  background: rgba(59, 125, 221, 0.2);
  color: var(--white);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 3px;
  background: var(--navy-400);
  border-radius: 0 3px 3px 0;
}

.nav-item .badge {
  margin-left: auto;
  background: var(--danger);
  color: var(--white);
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
}

/* Sidebar footer */
.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.sidebar-footer .nav-item {
  color: var(--navy-300);
}

.sidebar-footer .nav-item:hover {
  color: #fca5a5;
  background: rgba(239, 68, 68, 0.1);
}

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

/* Top Header */
.top-header {
  height: var(--header-height);
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--gray-600);
  font-size: 1.1rem;
  transition: var(--transition-fast);
  align-items: center;
  justify-content: center;
}

.menu-toggle:hover {
  background: var(--gray-200);
}

.page-title h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy-900);
  letter-spacing: -0.02em;
}

.page-title p {
  font-size: 0.8125rem;
  color: var(--gray-500);
  margin-top: 1px;
}

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

.header-btn {
  width: 40px;
  height: 40px;
  border: none;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--gray-600);
  font-size: 1rem;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.header-btn:hover {
  background: var(--gray-200);
  color: var(--navy-700);
}

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

.user-avatar {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--navy-600), var(--navy-400));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}

.user-avatar:hover {
  border-color: var(--navy-300);
  transform: scale(1.05);
}

/* ── Content Sections ── */
.content-area {
  padding: 28px 32px;
}

.section-view {
  display: none;
  animation: fadeIn 0.35s ease-out;
}

.section-view.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Stats Cards ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.stat-card.total::after { background: linear-gradient(90deg, var(--navy-600), var(--navy-400)); }
.stat-card.transit::after { background: linear-gradient(90deg, var(--info), #60a5fa); }
.stat-card.delivered::after { background: linear-gradient(90deg, var(--success), #34d399); }
.stat-card.incident::after { background: linear-gradient(90deg, var(--warning), #fbbf24); }

.stat-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}

.stat-card-header .stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.stat-card.total .stat-icon { background: var(--navy-50); color: var(--navy-600); }
.stat-card.transit .stat-icon { background: var(--info-bg); color: var(--info); }
.stat-card.delivered .stat-icon { background: var(--success-bg); color: var(--success); }
.stat-card.incident .stat-icon { background: var(--warning-bg); color: var(--warning); }

.stat-trend {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 3px;
}

.stat-trend.up { background: var(--success-bg); color: var(--success); }
.stat-trend.down { background: var(--danger-bg); color: var(--danger); }

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy-900);
  letter-spacing: -0.03em;
  line-height: 1;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--gray-500);
  margin-top: 6px;
  font-weight: 500;
}

/* ── Data Table ── */
.table-container {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  overflow: hidden;
}

.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-200);
}

.table-header h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy-900);
}

.table-header .table-actions {
  display: flex;
  gap: 8px;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
}

.btn-outline {
  background: var(--white);
  color: var(--gray-600);
  border: 1px solid var(--gray-300);
}

.btn-outline:hover {
  background: var(--gray-50);
  border-color: var(--gray-400);
}

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

.data-table thead th {
  padding: 12px 24px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}

.data-table tbody td {
  padding: 16px 24px;
  font-size: 0.875rem;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: var(--transition-fast);
}

.data-table tbody tr:hover {
  background: var(--gray-50);
}

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

.guide-number {
  font-weight: 600;
  color: var(--navy-700);
  font-family: 'Courier New', monospace;
  font-size: 0.8125rem;
  background: var(--navy-50);
  padding: 4px 10px;
  border-radius: 6px;
  display: inline-block;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.status-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.status-badge.en-transito { background: var(--info-bg); color: var(--info); }
.status-badge.en-transito .dot { background: var(--info); }

.status-badge.entregado { background: var(--success-bg); color: var(--success); }
.status-badge.entregado .dot { background: var(--success); }

.status-badge.incidencia { background: var(--warning-bg); color: var(--warning); }
.status-badge.incidencia .dot { background: var(--warning); }

.status-badge.pendiente { background: var(--gray-100); color: var(--gray-600); }
.status-badge.pendiente .dot { background: var(--gray-400); }

.client-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.client-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--white);
  flex-shrink: 0;
}

.client-name {
  font-weight: 500;
  color: var(--navy-800);
}

/* ── Forms (Nuevo Envío) ── */
.form-card {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  padding: 32px;
}

.form-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 4px;
}

.form-card .form-subtitle {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

.form-card .form-group {
  margin-bottom: 0;
}

.form-card .form-control {
  padding: 12px 16px;
  padding-left: 16px;
}

.form-card textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

.form-card select.form-control {
  appearance: none;
  background-image: 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='%2394a3b8' d='M6 8.825L1.175 4l.7-.7L6 7.425 10.125 3.3l.7.7z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-200);
}

.btn-secondary {
  background: var(--gray-100);
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
  background: var(--gray-200);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #059669);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
  box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
  transform: translateY(-1px);
}

/* ── Notifications List ── */
.notification-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.notification-item {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: var(--transition);
}

.notification-item:hover {
  box-shadow: var(--shadow-md);
}

.notification-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.notification-icon.whatsapp {
  background: #dcfce7;
  color: #16a34a;
}

.notification-icon.sms {
  background: var(--info-bg);
  color: var(--info);
}

.notification-icon.email {
  background: #fef3c7;
  color: #d97706;
}

.notification-body {
  flex: 1;
}

.notification-body h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy-900);
  margin-bottom: 4px;
}

.notification-body p {
  font-size: 0.8125rem;
  color: var(--gray-500);
  line-height: 1.5;
}

.notification-time {
  font-size: 0.75rem;
  color: var(--gray-400);
  white-space: nowrap;
  margin-top: 2px;
}

.notification-status {
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  margin-top: 8px;
  display: inline-block;
}

.notification-status.sent {
  background: var(--success-bg);
  color: var(--success);
}

.notification-status.failed {
  background: var(--danger-bg);
  color: var(--danger);
}

.notification-status.pending {
  background: var(--warning-bg);
  color: var(--warning);
}

/* ── Settings ── */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.settings-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}

.settings-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.settings-card h3 i {
  color: var(--navy-500);
}

.settings-card p {
  font-size: 0.8125rem;
  color: var(--gray-500);
  margin-bottom: 20px;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--gray-100);
}

.setting-row:last-child {
  border-bottom: none;
}

.setting-info .setting-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--navy-800);
}

.setting-info .setting-desc {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: 2px;
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gray-300);
  border-radius: 12px;
  transition: var(--transition);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: var(--white);
  border-radius: 50%;
  transition: var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--navy-500);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

/* ── Envíos Section ── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.section-header h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--navy-900);
}

.search-box {
  position: relative;
}

.search-box input {
  padding: 10px 16px 10px 40px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--navy-900);
  width: 280px;
  outline: none;
  transition: var(--transition);
}

.search-box input:focus {
  border-color: var(--navy-400);
  box-shadow: 0 0 0 4px rgba(59, 125, 221, 0.1);
}

.search-box i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  font-size: 0.875rem;
}

/* Pagination */
.table-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-top: 1px solid var(--gray-200);
}

.table-info {
  font-size: 0.8125rem;
  color: var(--gray-500);
}

.pagination {
  display: flex;
  gap: 4px;
}

.pagination button {
  width: 34px;
  height: 34px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--gray-600);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.pagination button:hover {
  background: var(--gray-100);
  border-color: var(--gray-300);
}

.pagination button.active {
  background: var(--navy-600);
  color: var(--white);
  border-color: var(--navy-600);
}

/* ── Sidebar Overlay (mobile) ── */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 22, 40, 0.5);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

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

/* ── Toast Notification ── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--navy-900);
  color: var(--white);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  font-weight: 500;
  z-index: 200;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast i {
  font-size: 1.1rem;
}

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

/* ── Forgot Password Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 22, 40, 0.6);
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
  padding: 20px;
}

.modal-overlay.show {
  display: flex;
}

.modal-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 40px;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
  animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 8px;
}

.modal-card p {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 24px;
  line-height: 1.5;
}

.modal-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.modal-actions .btn {
  flex: 1;
}

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

@media (max-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .settings-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

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

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

  .menu-toggle {
    display: flex;
  }

  .top-header {
    padding: 0 16px;
  }

  .content-area {
    padding: 20px 16px;
  }

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

  .stat-card {
    padding: 16px;
  }

  .stat-value {
    font-size: 1.5rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .table-header {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }

  .section-header {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }

  .search-box input {
    width: 100%;
  }

  .data-table {
    display: block;
    overflow-x: auto;
  }

  .page-title p {
    display: none;
  }

  .login-card {
    padding: 32px 24px;
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions .btn {
    width: 100%;
  }

  .modal-actions {
    flex-direction: column;
  }
}

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

  .header-right .header-btn:not(:last-child) {
    display: none;
  }

  .form-options {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }

  .table-footer {
    flex-direction: column;
    gap: 12px;
  }
}

/* ============================================
   CLIENTES SECTION
   ============================================ */

.client-form-card {
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-16px); }
  to { opacity: 1; transform: translateY(0); }
}

.btn-edit-client,
.btn-delete-client {
  width: 34px;
  height: 34px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-edit-client:hover {
  color: var(--navy-500);
  border-color: var(--navy-300);
  background: var(--navy-50);
}

.btn-delete-client:hover {
  color: var(--white) !important;
  background: var(--danger) !important;
  border-color: var(--danger) !important;
}

/* Backend connection indicator */
.connection-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.6875rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 20px;
  margin-left: 12px;
}

.connection-status.online {
  background: var(--success-bg);
  color: var(--success);
}

.connection-status.offline {
  background: var(--warning-bg);
  color: var(--warning);
}

.connection-status .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Interactive Status Select Dropdowns */
.status-select {
  border: 1px solid transparent;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 5px 28px 5px 12px;
  cursor: pointer;
  outline: none;
  font-family: inherit;
  appearance: none;
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
}

.status-select.pendiente {
  background: var(--gray-100);
  color: var(--gray-600);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 12 12'%3E%3Cpath fill='%23475569' d='M6 8.825L1.175 4l.7-.7L6 7.425 10.125 3.3l.7.7z'/%3E%3C/svg%3E");
}

.status-select.en-transito {
  background: var(--info-bg);
  color: var(--info);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 12 12'%3E%3Cpath fill='%233b82f6' d='M6 8.825L1.175 4l.7-.7L6 7.425 10.125 3.3l.7.7z'/%3E%3C/svg%3E");
}

.status-select.entregado {
  background: var(--success-bg);
  color: var(--success);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 12 12'%3E%3Cpath fill='%2310b981' d='M6 8.825L1.175 4l.7-.7L6 7.425 10.125 3.3l.7.7z'/%3E%3C/svg%3E");
}

.status-select.incidencia {
  background: var(--warning-bg);
  color: var(--warning);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 12 12'%3E%3Cpath fill='%23f59e0b' d='M6 8.825L1.175 4l.7-.7L6 7.425 10.125 3.3l.7.7z'/%3E%3C/svg%3E");
}

.status-select:focus {
  box-shadow: 0 0 0 3px rgba(37, 84, 160, 0.15);
}