/* ============================================
   SUPPORTRACKER - Paleta Verde Esmeralda
   ============================================ */
:root {
  /* Colores principales - Verde Esmeralda/Agua */
  --color-primary: #10b981;
  --color-primary-dark: #059669;
  --color-primary-light: #34d399;
  --color-accent: #06b6d4;
  --color-accent-light: #22d3ee;
  
  /* Estados */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  
  /* Fondos - Grises azulados */
  --color-bg: #0f172a;
  --color-bg-elevated: #1e293b;
  --color-bg-card: #1e293b;
  --color-border: #334155;
  
  /* Textos */
  --color-text: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  
  /* Bordes y sombras */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(16, 185, 129, 0.15);
  
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --sidebar-width: 260px;
  --header-height: 70px;
}

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

html {
  font-size: 15px;
}

body {
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ============================================
   UTILIDADES
   ============================================ */
.hidden { display: none !important; }

.error-message {
  color: var(--color-danger);
  font-size: 0.875rem;
  margin-top: 1rem;
  text-align: center;
}

/* ============================================
   BOTONES
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border: none;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn svg {
  width: 18px;
  height: 18px;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

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

.btn-secondary:hover {
  background: var(--color-border);
  border-color: var(--color-primary);
}

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

.btn-block {
  width: 100%;
  justify-content: center;
}

.btn-sm {
  padding: 0.5rem 0.875rem;
  font-size: 0.8rem;
}

.btn-icon {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.btn-icon:hover {
  background: var(--color-bg-elevated);
  color: var(--color-primary-light);
}

.btn-icon svg {
  width: 20px;
  height: 20px;
}

/* ============================================
   FORMULARIOS
   ============================================ */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.form-group input::placeholder {
  color: var(--color-text-muted);
}

.form-group select {
  cursor: pointer;
}

.form-group select option {
  background: var(--color-bg-elevated);
  color: var(--color-text);
}

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

/* ============================================
   LOGIN
   ============================================ */
#login-view {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: 
    radial-gradient(ellipse at top left, rgba(16, 185, 129, 0.12), transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(6, 182, 212, 0.08), transparent 50%),
    radial-gradient(ellipse at center, rgba(30, 41, 59, 0.5), transparent),
    var(--color-bg);
}

.login-container {
  width: 100%;
  max-width: 420px;
  padding: 2rem;
}

.login-brand {
  text-align: center;
  margin-bottom: 2.5rem;
}

.login-brand .logo {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  box-shadow: 0 8px 32px rgba(16, 185, 129, 0.25), var(--shadow-glow);
}

.login-brand .logo svg {
  width: 36px;
  height: 36px;
  color: white;
}

.login-brand h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--color-text), var(--color-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-brand p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.login-form {
  background: var(--color-bg-card);
  padding: 2rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}

/* ============================================
   SIDEBAR
   ============================================ */
#dashboard-view {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  background: linear-gradient(180deg, var(--color-bg-card) 0%, rgba(30, 41, 59, 0.95) 100%);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.logo-small {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.logo-small svg {
  width: 22px;
  height: 22px;
  color: white;
}

.sidebar-brand span {
  font-weight: 700;
  font-size: 1.1rem;
  background: linear-gradient(135deg, var(--color-text), var(--color-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-nav {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  margin-bottom: 0.25rem;
  transition: all 0.2s;
}

.nav-item svg {
  width: 20px;
  height: 20px;
}

.nav-item:hover {
  background: rgba(16, 185, 129, 0.08);
  color: var(--color-text);
}

.nav-item.active {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(6, 182, 212, 0.1));
  color: var(--color-primary-light);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-info {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.user-avatar {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1rem;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.2);
}

.user-details {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.user-details span:first-child {
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 2rem;
  min-height: 100vh;
  background: 
    radial-gradient(ellipse at top right, rgba(16, 185, 129, 0.03), transparent 50%),
    var(--color-bg);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.section-header h2 {
  font-size: 1.75rem;
  font-weight: 700;
}

.section-subtitle {
  color: var(--color-text-secondary);
  margin-top: 0.25rem;
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.card-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.card-body {
  padding: 1.5rem;
}

/* ============================================
   STATS GRID
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  transition: all 0.2s;
}

.stat-card:hover {
  border-color: rgba(16, 185, 129, 0.3);
  box-shadow: var(--shadow-glow);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon svg {
  width: 24px;
  height: 24px;
}

.stat-icon.blue {
  background: rgba(6, 182, 212, 0.15);
  color: var(--color-accent-light);
}

.stat-icon.green {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-primary-light);
}

.stat-icon.yellow {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-warning);
}

.stat-icon.purple {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-accent);
}

.stat-content h4 {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.25rem;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-text), var(--color-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   DASHBOARD GRID
   ============================================ */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 1.5rem;
}

.activity-list,
.alert-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.activity-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: all 0.2s;
}

.activity-item:hover {
  border-color: var(--color-border);
}

.activity-item .time {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.activity-item .title {
  flex: 1;
  font-weight: 500;
}

.activity-item .hours {
  font-weight: 600;
  color: var(--color-primary-light);
}

.alert-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1rem;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--radius-md);
}

.alert-item .client {
  font-weight: 500;
}

.alert-item .hours {
  font-weight: 600;
  color: var(--color-warning);
}

/* ============================================
   TABLES
   ============================================ */
.table-container {
  overflow-x: auto;
}

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

.table th,
.table td {
  padding: 1rem 1.25rem;
  text-align: left;
}

.table th {
  background: var(--color-bg);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-secondary);
}

.table td {
  border-bottom: 1px solid var(--color-border);
}

.table tbody tr {
  transition: all 0.2s;
}

.table tbody tr:hover {
  background: rgba(16, 185, 129, 0.03);
}

.table .actions {
  display: flex;
  gap: 0.5rem;
}

/* ============================================
   PACKS GRID
   ============================================ */
.packs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.pack-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all 0.2s;
}

.pack-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-glow);
}

.pack-card.expired {
  opacity: 0.6;
}

.pack-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.pack-header h4 {
  font-size: 1.1rem;
  font-weight: 600;
}

.pack-client {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-top: 0.25rem;
}

.pack-status {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.375rem 0.75rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pack-status.active {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-success);
}

.pack-status.completed {
  background: rgba(100, 116, 139, 0.15);
  color: var(--color-text-muted);
}

.pack-status.expired {
  background: rgba(239, 68, 68, 0.15);
  color: var(--color-danger);
}

.pack-progress {
  margin-bottom: 1rem;
}

.progress-bar {
  height: 8px;
  background: var(--color-bg);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 999px;
  transition: width 0.3s ease;
}

.progress-fill.low {
  background: linear-gradient(90deg, var(--color-warning), #fbbf24);
}

.progress-fill.critical {
  background: linear-gradient(90deg, var(--color-danger), #f87171);
}

.pack-hours {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
}

.pack-hours .remaining {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-primary-light);
}

.pack-hours .total {
  color: var(--color-text-secondary);
}

.pack-footer {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

.pack-footer .btn {
  flex: 1;
}

/* ============================================
   BADGES
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 999px;
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-success);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-warning);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--color-danger);
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.modal {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.modal-body {
  padding: 1.5rem;
}

.modal-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

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

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--color-text-secondary);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state h4 {
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --sidebar-width: 0px;
  }
  
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }
  
  .sidebar.open {
    transform: translateX(0);
    width: 260px;
  }
  
  .main-content {
    margin-left: 0;
    padding: 1rem;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .packs-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .table th,
  .table td {
    padding: 0.75rem;
    font-size: 0.875rem;
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   ANIMACIONES
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 5px rgba(16, 185, 129, 0.2); }
  50% { box-shadow: 0 0 20px rgba(16, 185, 129, 0.4); }
}

.section {
  animation: fadeIn 0.3s ease;
}

.modal {
  animation: fadeIn 0.2s ease;
}

/* ============================================
   SELECCIÓN DE TEXTO
   ============================================ */
::selection {
  background: rgba(16, 185, 129, 0.3);
  color: var(--color-text);
}