/* css/estilo.css - Login y sidebar con fondo #000000 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --rojo-trading: #CC0000;
    --rojo-oscuro: #990000;
    --negro: #1A1A1A;
    --negro-puro: #000000;
    --gris: #666666;
    --gris-claro: #F5F5F5;
    --blanco: #FFFFFF;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--gris-claro);
}

/* ============================================
   LOGIN PAGE - Completamente #000000
   ============================================ */
.login-page {
    background: var(--negro-puro);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-box {
    background: var(--negro-puro);
    border-radius: 15px;
    padding: 40px 30px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    text-align: center;
    border-top: 5px solid var(--rojo-trading);
}

.logo-container {
    margin-bottom: 30px;
}

.login-logo {
    max-width: 200px;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.logo-container h1 {
    color: var(--blanco);
    font-size: 28px;
    margin-bottom: 5px;
    font-weight: 700;
}

.logo-container p {
    color: var(--gris-claro);
    font-size: 14px;
}

.subtitle-brand {
    color: var(--rojo-trading);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 1px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #333;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
    font-family: inherit;
    background: #1a1a1a;
    color: var(--blanco);
}

.login-form input:focus {
    outline: none;
    border-color: var(--rojo-trading);
    box-shadow: 0 0 0 3px rgba(204, 0, 0, 0.2);
    background: #222;
}

.login-form input::placeholder {
    color: #888;
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: var(--rojo-trading);
    color: var(--blanco);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-login:hover {
    background: var(--rojo-oscuro);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(204, 0, 0, 0.3);
}

.footer-info {
    margin-top: 25px;
    font-size: 12px;
    color: var(--gris);
}

.footer-info p {
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--gris-claro);
}

.footer-info small {
    color: var(--rojo-trading);
    font-weight: 600;
}

/* ============================================
   DASHBOARD - Sidebar con fondo #000000
   ============================================ */
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background: var(--negro-puro);
    color: var(--blanco);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    box-shadow: 2px 0 10px rgba(0,0,0,0.3);
}

.sidebar-header {
    padding: 30px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    background: var(--negro-puro);
}

.sidebar-logo {
    max-width: 120px;
    margin-bottom: 15px;
}

.sidebar-header h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--blanco);
}

.sidebar-header .badge {
    display: inline-block;
    background: var(--rojo-trading);
    font-size: 10px;
    padding: 3px 8px;
    border-radius: 20px;
    margin-top: 8px;
}

.sidebar-menu {
    list-style: none;
    padding: 20px 0;
}

.sidebar-menu li a {
    display: block;
    padding: 12px 25px;
    color: var(--blanco);
    text-decoration: none;
    transition: all 0.3s;
    font-weight: 500;
}

.sidebar-menu li a:hover {
    background: var(--rojo-trading);
    padding-left: 30px;
}

.sidebar-menu li a.active {
    background: var(--rojo-trading);
    border-left: 4px solid var(--blanco);
}

.main-content {
    flex: 1;
    margin-left: 280px;
}

.top-bar {
    background: var(--blanco);
    padding: 15px 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-info span {
    color: var(--negro);
    font-weight: 500;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--rojo-trading);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blanco);
    font-weight: bold;
}

.content {
    padding: 30px;
}

.content h1 {
    color: var(--negro);
    margin-bottom: 10px;
    font-weight: 700;
}

.content h1::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 25px;
    background: var(--rojo-trading);
    margin-right: 10px;
    vertical-align: middle;
}

.subtitle {
    color: var(--gris);
    margin-bottom: 20px;
}

/* ============================================
   STATS CARDS
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.stat-card {
    background: var(--blanco);
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    border-bottom: 3px solid var(--rojo-trading);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.stat-card h3 {
    color: var(--gris);
    font-size: 14px;
    margin-bottom: 10px;
    font-weight: 600;
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: var(--rojo-trading);
}

/* ============================================
   FORMULARIO DE CONTRATO
   ============================================ */
.contrato-form {
    background: var(--blanco);
    padding: 30px;
    border-radius: 12px;
    margin-top: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.form-section {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f0f0f0;
}

.form-section h3 {
    color: var(--negro);
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
    position: relative;
    padding-left: 12px;
}

.form-section h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: var(--rojo-trading);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--negro);
    font-weight: 600;
    font-size: 13px;
}

.form-group label .required {
    color: var(--rojo-trading);
    margin-left: 3px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--rojo-trading);
    box-shadow: 0 0 0 3px rgba(204, 0, 0, 0.1);
}

.form-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-top: 30px;
}

.btn-primary,
.btn-secondary {
    padding: 12px 28px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--rojo-trading);
    color: var(--blanco);
}

.btn-primary:hover {
    background: var(--rojo-oscuro);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(204, 0, 0, 0.3);
}

.btn-secondary {
    background: var(--gris);
    color: var(--blanco);
}

.btn-secondary:hover {
    background: #555;
}

/* ============================================
   TABLAS
   ============================================ */
.table-container {
    background: var(--blanco);
    border-radius: 12px;
    overflow-x: auto;
    margin-top: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

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

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #f0f0f0;
}

th {
    background: var(--negro);
    color: var(--blanco);
    font-weight: 600;
    font-size: 13px;
}

tr:hover {
    background: #fafafa;
}

.btn-ver,
.btn-pdf {
    padding: 6px 12px;
    text-decoration: none;
    border-radius: 6px;
    font-size: 12px;
    margin: 0 5px;
    display: inline-block;
    transition: all 0.3s;
}

.btn-ver {
    background: #28a745;
    color: white;
}

.btn-ver:hover {
    background: #218838;
}

.btn-pdf {
    background: var(--rojo-trading);
    color: white;
}

.btn-pdf:hover {
    background: var(--rojo-oscuro);
}

/* ============================================
   ALERTAS
   ============================================ */
.alert {
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 500;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    border-left: 4px solid #28a745;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    border-left: 4px solid var(--rojo-trading);
}

/* ============================================
   FILTROS Y BÚSQUEDA
   ============================================ */
.filtros-bar {
    background: var(--blanco);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.filtros-form {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr auto;
    gap: 15px;
    align-items: end;
}

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

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: relative;
        height: auto;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .top-bar {
        flex-direction: column;
        gap: 15px;
    }
    
    .filtros-form {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   UTILITARIOS
   ============================================ */
.texto-vacio {
    text-align: center;
    padding: 50px;
    color: var(--gris);
}

.badge-genero {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

.badge-masculino {
    background: #2196F3;
    color: white;
}

.badge-femenino {
    background: #E91E63;
    color: white;
}

.brand-years {
    background: var(--rojo-trading);
    color: var(--blanco);
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: bold;
    margin-top: 5px;
}