/* ==========================================================================
   ATS ENTERPRISE - HOJA DE ESTILOS UNIFICADA Y MODERNA
   ========================================================================== */

:root {
    /* Paleta Corporativa Pro */
    --primary: #0F172A;          /* Azul pizarra oscuro */
    --primary-light: #1E293B;    /* Pizarra medio */
    --accent: #2563EB;           /* Azul real brillante para acciones */
    --accent-hover: #1D4ED8;
    --accent-soft: #EFF6FF;
    
    --success: #10B981;
    --success-bg: #ECFDF5;
    --warning: #F59E0B;
    --warning-bg: #FFFBEB;
    --danger: #EF4444;
    --danger-bg: #FEF2F2;
    --info: #3B82F6;
    --info-bg: #EFF6FF;

    --bg-color: #F8FAFC;         /* Fondo neutro limpio */
    --card-bg: #FFFFFF;
    --text-main: #0F172A;
    --text-muted: #64748B;
    --border-color: #E2E8F0;
    --border-hover: #CBD5E1;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    padding-bottom: 4rem;
    -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   1. NAVEGACIÓN (NAVBAR)
   ========================================================================== */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.85rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand, .brand-logo {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.brand span, .brand-logo span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* ==========================================================================
   2. CONTENEDORES Y ESTRUCTURA
   ========================================================================== */
.container, .main-container {
    max-width: 1100px;
    margin: 2rem auto 0 auto;
    padding: 0 1.25rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.75rem;
}

.card h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.subtext {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.divider {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: 1.5rem 0;
}

.divider-light {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: 1rem 0;
    opacity: 0.6;
}

/* ==========================================================================
   3. FORMULARIOS Y GRID (PERFIL Y EDICIÓN)
   ========================================================================== */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-top: 1.25rem;
}

.full-width {
    grid-column: 1 / -1;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.4rem;
}

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    color: var(--text-main);
    background-color: #FFFFFF;
    transition: var(--transition);
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #94A3B8;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    cursor: pointer;
    font-weight: 500 !important;
    font-size: 0.95rem !important;
}

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

/* ==========================================================================
   4. BOTONES Y BADGES
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--accent);
    color: #FFFFFF;
}
.btn-primary:hover {
    background-color: var(--accent-hover);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background-color: #F1F5F9;
    color: var(--primary);
    border-color: var(--border-color);
}
.btn-secondary:hover {
    background-color: #E2E8F0;
}

.btn-outline {
    background-color: transparent;
    border-color: var(--border-color);
    color: var(--primary);
}
.btn-outline:hover {
    background-color: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent);
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
}
.btn-ghost:hover {
    color: var(--primary);
    background: #F1F5F9;
}

.btn-danger {
    background-color: var(--danger-bg);
    color: var(--danger);
    border-color: rgba(239, 68, 68, 0.2);
}
.btn-danger:hover {
    background-color: var(--danger);
    color: #FFFFFF;
}

.btn-block { width: 100%; }
.btn-sm { padding: 0.4rem 0.75rem; font-size: 0.825rem; }

.badge {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}
.badge-primary { background: var(--accent-soft); color: var(--accent); }
.badge-info { background: var(--info-bg); color: var(--info); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-secondary { background: #F1F5F9; color: var(--text-muted); }

/* ==========================================================================
   5. VISTA DE VACANTE (VACANTES.PHP)
   ========================================================================== */
.vacante-detalle-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.salario-box {
    background: #F8FAFC;
    border: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    text-align: right;
    min-width: 200px;
}

.salario-amount {
    display: block;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--success);
}

.contenido-seccion {
    margin-bottom: 1.5rem;
}

.contenido-seccion h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
    border-left: 3px solid var(--accent);
    padding-left: 0.6rem;
}

.postulacion-action-box {
    background: var(--accent-soft);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: var(--radius-md);
    padding: 2rem;
    margin-top: 2rem;
}

/* ==========================================================================
   6. HISTORIAL DE PERFIL (EXPERIENCIA Y EDUCACIÓN)
   ========================================================================== */
.lista-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.item-historial {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    background: #FAFAFA;
    border: 1px solid var(--border-color);
    padding: 1.25rem;
    border-radius: var(--radius-sm);
}

.item-historial h3 {
    font-size: 1.05rem;
    color: var(--primary);
    font-weight: 700;
}

/* ==========================================================================
   7. DASHBOARD Y LISTADO DE VACANTES
   ========================================================================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 850px) {
    .dashboard-grid {
        grid-template-columns: 280px 1fr;
    }
}

.avatar-circle {
    width: 80px;
    height: 80px;
    background: var(--primary);
    color: #FFFFFF;
    font-size: 2rem;
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem auto;
}

.vacantes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.25rem;
}

.vacante-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
}

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

/* ==========================================================================
   8. ALERTAS Y MODALES
   ========================================================================== */
.alert {
    padding: 0.85rem 1.1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.2); }
.alert-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.2); }
.alert-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.2); }
.alert-info { background: var(--info-bg); color: var(--info); border: 1px solid rgba(59, 130, 246, 0.2); }

.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active { display: flex; }

.modal-content {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    padding: 2rem;
    width: 100%;
    max-width: 440px;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1.25rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
}

.text-center { text-align: center; }
.hidden { display: none !important; }
.mb-4 { margin-bottom: 1.5rem; }