:root {
  /* Colores principales - Tema Oscuro Glassmorphism */
  --bg-primary: #0a0a1a;
  --bg-secondary: #12122a;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.06);
  --text-primary: #ffffff;
  --text-secondary: #a8b2d1;
  --text-muted: #5a6a8a;
  
  /* Colores de acento */
  --accent-1: #6c5ce7;
  --accent-2: #a29bfe;
  --accent-3: #fd79a8;
  --accent-4: #00cec9;
  --accent-5: #fdcb6e;
  
  /* Gradientes */
  --gradient-main: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 50%, #fd79a8 100%);
  --gradient-card: linear-gradient(135deg, rgba(108, 92, 231, 0.1) 0%, rgba(253, 121, 168, 0.05) 100%);
  --gradient-hover: linear-gradient(135deg, rgba(108, 92, 231, 0.2) 0%, rgba(253, 121, 168, 0.1) 100%);
  
  /* Estados */
  --success: #00b894;
  --danger: #ff6b6b;
  --warning: #fdcb6e;
  --info: #74b9ff;
  
  /* Sombras */
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(108, 92, 231, 0.15);
  
  /* Fuente */
  font-family: 'Inter', -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg-primary);
  background-image: 
    radial-gradient(ellipse at 10% 20%, rgba(108, 92, 231, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 90% 80%, rgba(253, 121, 168, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(0, 206, 201, 0.03) 0%, transparent 70%);
  color: var(--text-primary);
  line-height: 1.6;
}

a { 
  color: inherit; 
  text-decoration: none; 
}

/* ===== TOPBAR ===== */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 32px;
  background: rgba(18, 18, 42, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar .brand {
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.5px;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.topbar nav {
  display: flex;
  gap: 8px;
}

.topbar nav a {
  padding: 8px 20px;
  border-radius: 12px;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.topbar nav a:hover {
  background: var(--bg-card);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.topbar nav a.active {
  background: var(--gradient-main);
  color: white;
  box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
}

.topbar .user-box {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: var(--text-secondary);
}

.topbar .user-box .avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  color: white;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px;
}

/* ===== CARDS ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 20px 24px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-card);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(108, 92, 231, 0.3);
  box-shadow: var(--shadow-glow);
}

.card:hover::before {
  opacity: 1;
}

.card .label {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  z-index: 1;
}

.card .value {
  font-size: 32px;
  font-weight: 800;
  margin-top: 4px;
  position: relative;
  z-index: 1;
  color: var(--text-primary);
}

.card.verde .value { 
  background: linear-gradient(135deg, #00b894, #00cec9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card.rojo .value {
  background: linear-gradient(135deg, #ff6b6b, #ff7675);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card.accent .value {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== PANELES ===== */
.panel {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.panel:hover {
  border-color: rgba(108, 92, 231, 0.15);
}

.panel h2 {
  margin-top: 0;
  font-size: 16px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  margin-bottom: 16px;
}

/* ===== TABLAS ===== */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th, td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-glass);
}

th {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

tr {
  transition: all 0.2s ease;
}

tr:hover td {
  background: var(--bg-card-hover);
}

/* ===== BADGES ===== */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.badge.verde { 
  background: rgba(0, 184, 148, 0.15); 
  color: var(--success); 
}

.badge.rojo { 
  background: rgba(255, 107, 107, 0.15); 
  color: var(--danger); 
}

.badge.naranja { 
  background: rgba(253, 203, 110, 0.15); 
  color: var(--warning); 
}

.badge.gris { 
  background: rgba(90, 106, 138, 0.15); 
  color: var(--text-muted); 
}

.badge.azul {
  background: rgba(116, 185, 255, 0.15);
  color: var(--info);
}

/* ===== BOTONES ===== */
.btn {
  display: inline-block;
  padding: 10px 24px;
  background: var(--gradient-main);
  color: white;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(108, 92, 231, 0.2);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(108, 92, 231, 0.3);
}

.btn:active {
  transform: translateY(0px);
}

.btn.small {
  padding: 6px 16px;
  font-size: 12px;
}

.btn.secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  box-shadow: none;
}

.btn.secondary:hover {
  background: var(--bg-card-hover);
}

.btn.danger {
  background: rgba(255, 107, 107, 0.15);
  color: var(--danger);
  border: 1px solid rgba(255, 107, 107, 0.2);
  box-shadow: none;
}

.btn.danger:hover {
  background: rgba(255, 107, 107, 0.25);
}

form.inline { 
  display: inline; 
}

/* ===== FORMULARIOS ===== */
label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 16px 0 6px;
}

input, select, textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: 12px;
  border: 2px solid var(--border-glass);
  background: rgba(0, 0, 0, 0.3);
  color: var(--text-primary);
  font-size: 14px;
  transition: all 0.3s ease;
  font-family: inherit;
}

/* Estilos personalizados para desplegables (select) */
select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23a8b2d1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

select:hover {
  border-color: rgba(108, 92, 231, 0.4);
  background-color: rgba(18, 18, 42, 0.6);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-1);
  box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.2), var(--shadow-glow);
  background-color: rgba(18, 18, 42, 0.8);
}

/* Opciones desplegadas */
select option, option {
  background-color: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
  padding: 12px;
  font-size: 14px;
}

input::placeholder, textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.5;
}

textarea {
  resize: vertical;
  min-height: 60px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 16px;
}

.form-actions {
  margin-top: 20px;
  display: flex;
  gap: 10px;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}

.filters select {
  width: auto;
  min-width: 160px;
}

/* ===== LOGIN ===== */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  background-image: 
    radial-gradient(ellipse at 20% 50%, rgba(108, 92, 231, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(253, 121, 168, 0.1) 0%, transparent 60%);
  position: relative;
}

.login-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%236c5ce7' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
  pointer-events: none;
}

.login-box {
  background: rgba(18, 18, 42, 0.9);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: 24px;
  padding: 48px 40px;
  width: 420px;
  max-width: 92%;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.login-box h1 {
  font-size: 32px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 4px;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
}

.login-box .subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 32px;
}

.login-box label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 20px 0 6px;
  letter-spacing: 0.3px;
}

.login-box input {
  width: 100%;
  padding: 14px 18px;
  border-radius: 14px;
  border: 2px solid var(--border-glass);
  background: rgba(0, 0, 0, 0.3);
  color: var(--text-primary);
  font-size: 15px;
  transition: all 0.3s ease;
}

.login-box input:focus {
  outline: none;
  border-color: var(--accent-1);
  box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.15);
  background: rgba(0, 0, 0, 0.5);
}

.login-box input::placeholder {
  color: var(--text-muted);
  opacity: 0.5;
}

.login-box .error-msg {
  background: rgba(255, 107, 107, 0.12);
  color: var(--danger);
  padding: 12px 16px;
  border-radius: 12px;
  margin: 16px 0;
  font-size: 13px;
  border-left: 3px solid var(--danger);
  display: flex;
  align-items: center;
  gap: 10px;
}

.login-box .btn {
  width: 100%;
  padding: 16px;
  margin-top: 24px;
  font-size: 16px;
  font-weight: 700;
}

.login-box .footer {
  text-align: center;
  margin-top: 28px;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.login-box .footer span {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
}

/* ===== ERROR MSG ===== */
.error-msg { 
  color: var(--danger); 
  font-size: 13px; 
  margin-top: 8px; 
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .topbar {
    flex-direction: column;
    gap: 12px;
    padding: 16px;
  }
  
  .topbar nav {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .topbar nav a {
    padding: 6px 14px;
    font-size: 13px;
  }
  
  .container {
    padding: 16px;
  }
  
  .cards {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  
  .card {
    padding: 18px 20px;
  }
  
  .card .value {
    font-size: 24px;
  }
  
  .panel {
    padding: 18px 16px;
  }
  
  .login-box {
    padding: 32px 24px;
    width: 95%;
  }
  
  .login-box h1 {
    font-size: 26px;
  }

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

@media (max-width: 480px) {
  .cards {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  
  .card .value {
    font-size: 20px;
  }
  
  .card .label {
    font-size: 11px;
  }
  
  .card {
    padding: 14px 16px;
  }
  
  .topbar .brand {
    font-size: 17px;
  }
  
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }
}

/* ===== ANIMACIONES ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card {
  animation: fadeInUp 0.6s ease forwards;
}

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }

.panel {
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 0.5s;
  opacity: 0;
}

.panel:nth-of-type(2) { animation-delay: 0.6s; }
.panel:nth-of-type(3) { animation-delay: 0.7s; }

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

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

::-webkit-scrollbar-thumb {
  background: var(--accent-1);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-2);
}