/* ============================================
   PORTAL THEME - SIA Sueldos
   Fuente: Montserrat
   Paleta: Azul corporativo + Dorado
   ============================================ */

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

:root {
  /* Colores principales del logo */
  --primary: #2E3B8E;
  --primary-dark: #1f2766;
  --primary-light: #4a5ab5;
  --accent: #F4C430;
  --accent-dark: #d4a514;
  
  /* Neutrales */
  --bg: #0f1629;
  --card: #1a2342;
  --card-hover: #202b4d;
  --text: #FFFFFF;
  --text-muted: #c7d0e8;
  --line: rgba(255, 255, 255, 0.1);
  
  /* Estados */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  
  /* Efectos */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
}

/* Reset y base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, var(--bg) 0%, var(--primary-dark) 100%);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Contenedores */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Tarjetas */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

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

/* Headers */
.header {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h1 {
  font-size: 28px;
  margin-bottom: 8px;
}

h2 {
  font-size: 22px;
  margin-bottom: 16px;
}

h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

/* Botones */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  border-color: var(--accent);
  color: var(--primary-dark);
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(244, 196, 48, 0.3);
}

.btn.primary:hover {
  background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
  box-shadow: 0 6px 20px rgba(244, 196, 48, 0.4);
  transform: translateY(-2px);
}

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

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

/* Inputs */
input, select, textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.3);
  color: var(--text);
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  transition: all 0.2s ease;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(0, 0, 0, 0.4);
  box-shadow: 0 0 0 3px rgba(244, 196, 48, 0.1);
}

input::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* Tablas */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

th, td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

th {
  background: rgba(0, 0, 0, 0.2);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

/* Stats/KPIs */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.stat {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: all 0.3s ease;
}

.stat:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(244, 196, 48, 0.15);
}

.stat-value {
  font-size: 36px;
  font-weight: 800;
  margin: 12px 0;
  background: linear-gradient(135deg, var(--accent), #fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-error {
  background: rgba(239, 68, 68, 0.15);
  color: var(--error);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Alerts */
.alert {
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 14px;
  font-weight: 500;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--success);
}

.alert-info {
  background: rgba(74, 90, 181, 0.1);
  border: 1px solid rgba(74, 90, 181, 0.3);
  color: var(--primary-light);
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--error);
}

/* Subtitle/Muted text */
.subtitle, .muted {
  color: var(--text-muted);
  font-size: 14px;
}

/* Login card especial */
.login-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 48px;
  max-width: 440px;
  width: 100%;
  box-shadow: var(--shadow-lg);
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 16px;
  }
  
  .card, .header, .login-card {
    padding: 20px;
  }
  
  h1 {
    font-size: 24px;
  }
  
  .stat-value {
    font-size: 28px;
  }
}

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

.card, .stat {
  animation: fadeIn 0.3s ease;
}

/* ============================================
   LOGO FIXED HEADER
   ============================================ */

.top-logo {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  padding: 8px;
  background: transparent;
  border: none;
  box-shadow: none;
  transition: all 0.3s ease;
}

.top-logo:hover {
  background: transparent;
  box-shadow: none;
  transform: translateX(-50%) scale(1.05);
}

.top-logo img {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.top-logo-text {
  display: none;
}

@media (max-width: 768px) {
  .top-logo img {
    width: 40px;
    height: 40px;
  }
}

/* Ajuste para páginas de login (centradas) */
body.login-page {
  padding-top: 0;
}

/* Ajuste para páginas normales */
body:not(.login-page) .container {
  padding-top: 80px;
}

@media (max-width: 768px) {
  .top-logo {
    top: 12px;
    left: 12px;
    padding: 8px 12px;
  }
  
  .top-logo img {
    width: 32px;
    height: 32px;
  }
  
  .top-logo-text {
    font-size: 14px;
  }
}