:root {
    --primary-color: #10b981; /* Verde ADDOC */
    --secondary-color: #047857; /* Verde más oscuro */
    --accent-color: #34d399; /* Verde más claro */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --light-color: #f8fafc;
    --dark-color: #1e293b;
    --gray-color: #64748b;
    --addoc-green: #10b981;
    
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --sidebar-width: 260px;
}

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

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f1f5f9;
    color: var(--dark-color);
    line-height: 1.6;
    font-size: 0.9rem;
}

/* Login Screen */
.login-container {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.login-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.addoc-brand {
    color: var(--addoc-green);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

/* Dashboard Layout */
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: white;
    box-shadow: var(--card-shadow);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: all 0.3s ease;
}

.sidebar-header {
    padding: 1.5rem 1.25rem;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
}

.sidebar-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
}

.sidebar-logo i {
    margin-right: 0.5rem;
    color: var(--accent-color);
}

.sidebar-menu {
    padding: 1rem 0;
}

.nav-item {
    margin-bottom: 0.25rem;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.25rem;
    color: var(--gray-color);
    transition: all 0.2s;
    border-radius: 0;
    border-left: 3px solid transparent;
    cursor: pointer;
    text-decoration: none;
}

.nav-link:hover, .nav-link.active {
    background-color: #f1f5f9;
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

.nav-link i {
    width: 20px;
    margin-right: 0.75rem;
    font-size: 1rem;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: all 0.3s ease;
}

.dashboard-header {
    background: white;
    padding: 1rem 1.5rem;
    box-shadow: var(--card-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-title h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--dark-color);
}

.header-title p {
    color: var(--gray-color);
    font-size: 0.85rem;
    margin-bottom: 0;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: background-color 0.2s;
}

.user-menu:hover {
    background-color: #f1f5f9;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 500;
    font-size: 0.9rem;
}

.user-role {
    font-size: 0.75rem;
    color: var(--gray-color);
}

/* Dashboard Content */
.dashboard-content {
    padding: 1.5rem;
}

/* Cards */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
}

.card-header {
    background-color: white;
    border-bottom: 1px solid #e2e8f0;
    font-weight: 600;
    padding: 1.25rem 1.5rem;
    font-size: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-body {
    padding: 1.5rem;
}

/* Stats Cards */
.stat-card {
    text-align: center;
    padding: 1.5rem;
    border-left: 4px solid var(--primary-color);
}

.stat-card.warning {
    border-left-color: var(--warning-color);
}

.stat-card.danger {
    border-left-color: var(--danger-color);
}

.stat-card.success {
    border-left-color: var(--success-color);
}

.stat-number {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-card .stat-number {
    color: var(--primary-color);
}

.stat-card.warning .stat-number {
    color: var(--warning-color);
}

.stat-card.danger .stat-number {
    color: var(--danger-color);
}

.stat-card.success .stat-number {
    color: var(--success-color);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--gray-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
}

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

.stat-card.warning .stat-icon {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.stat-card.danger .stat-icon {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

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

/* Buttons */
.btn {
    font-size: 0.85rem;
    padding: 0.6rem 1.25rem;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

.btn-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
}

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

.btn-sm {
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
}

/* Tender Cards */
.tender-card {
    cursor: pointer;
    transition: all 0.3s;
}

.tender-card:hover {
    transform: translateY(-3px);
}

.tender-card:hover .card-title {
    color: var(--primary-color);
}

/* NUEVO: versión compacta para el listado principal */
.tender-card-compact .card-body {
    padding: 0.9rem 1rem;
}

.tender-card-compact {
    margin-bottom: 0.75rem;
    border-left: 4px solid transparent;
}

.tender-card-compact:hover {
    box-shadow: var(--card-shadow-hover);
}

/* Header dentro de la tarjeta */
.tender-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.25rem;
}

.tender-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--dark-color);
}

.tender-title.text-truncate {
    max-width: 100%;
}

.tender-badges {
    white-space: nowrap;
}

/* Badge de tipo de licitación (Nueva / Renovación) dentro del título */
.tender-title .badge {
    margin-left: 0.35rem;
    font-size: 0.65rem;
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
    vertical-align: middle;
    line-height: 1.2;
}

/* "Nueva" – verde suave */
.tender-title .badge.bg-primary {
    background-color: rgba(16, 185, 129, 0.15);
    color: #047857;
}

/* "Renovación" – azul/celeste suave */
.tender-title .badge.bg-info {
    background-color: rgba(59, 130, 246, 0.12);
    color: #1d4ed8;
}

/* Cuerpo compacto */
.tender-card-body {
    margin-top: 0.25rem;
}

.tender-meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
}

/* Semáforo de etapas */
.stage-traffic-lights {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 0.25rem;
}

.stage-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background-color: #cbd5e1; /* base gris */
    box-shadow: 0 0 0 1px rgba(148, 163, 184, 0.4);
}

/* Pendiente "neutral" */
.stage-dot.pending {
    background-color: #cbd5e1;
}

/* Completada */
.stage-dot.completed {
    background-color: var(--success-color);
}

/* Urgente (próximos días) */
.stage-dot.urgent {
    background-color: var(--warning-color);
}

/* Vencida */
.stage-dot.overdue {
    background-color: var(--danger-color);
}

/* Barra de progreso específica de la tarjeta */
.tender-progress-bar {
    width: 100%;
    height: 6px;
    border-radius: 999px;
    background-color: #e2e8f0;
    overflow: hidden;
}

.tender-progress-fill {
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: width 0.25s ease-out;
}

/* Tarjeta con vencimiento muy próximo: borde destacado */
.tender-card-warning {
    border-left-color: var(--warning-color);
    background: #fffbeb;
}

/* Estado general */
.tender-status {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-active {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--primary-color);
}

.status-completed {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.status-presented {
    background-color: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
}

/* Progress Bars (generales) */
.progress {
    height: 8px;
    border-radius: 4px;
    background-color: #e2e8f0;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 4px;
}

/* Stage Items */
.stage-item {
    border-left: 4px solid var(--primary-color);
    padding: 0.75rem 1rem;
    margin-bottom: 0.75rem;
    background-color: #f8fafc;
    border-radius: 0 8px 8px 0;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.stage-item:hover {
    background-color: #f1f5f9;
}

.stage-item.completed {
    border-left-color: var(--success-color);
    background-color: rgba(16, 185, 129, 0.05);
}

.stage-item.urgent {
    border-left-color: var(--danger-color);
    background-color: rgba(239, 68, 68, 0.05);
}

.stage-item.warning {
    border-left-color: var(--warning-color);
    background-color: rgba(245, 158, 11, 0.05);
}

/* NUEVO: descripción de etapa en el formulario de creación */
.stage-description {
    font-size: 0.75rem;
    color: var(--gray-color);
    margin-top: 0.2rem;
}

/* NUEVO: badge de responsable en el detalle de la licitación */
.responsable-badge {
    display: inline-block;
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
    font-size: 0.7rem;
    background-color: #e0f2fe;
    color: #0369a1;
}

/* Badges */
.badge {
    font-size: 0.7rem;
    padding: 0.35rem 0.6rem;
    border-radius: 6px;
    font-weight: 500;
}

.badge-date {
    font-size: 0.7rem;
    padding: 0.3em 0.6em;
}

/* Responsive Design */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        display: none;
    }
    
    .sidebar-overlay.active {
        display: block;
    }
    
    .mobile-menu-btn {
        display: block !important;
    }
}

@media (max-width: 768px) {
    .dashboard-content {
        padding: 1rem;
    }
    
    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .header-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .user-info {
        display: none;
    }

    .tender-meta-row {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Modals */
.modal-content {
    border: none;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1.25rem 1.5rem;
    border-bottom: none;
}

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

.btn-close-white {
    filter: invert(1);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid #e2e8f0;
}

/* Form Elements */
.form-label {
    font-weight: 500;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid #d1d5db;
    padding: 0.6rem 0.75rem;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--gray-color);
}

.empty-state i {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: #cbd5e1;
}

.empty-state h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

/* Tabs */
.nav-tabs {
    border-bottom: 1px solid #e2e8f0;
}

.nav-tabs .nav-link {
    border: none;
    color: var(--gray-color);
    padding: 0.75rem 1rem;
    border-radius: 0;
    font-weight: 500;
}

.nav-tabs .nav-link.active {
    color: var(--primary-color);
    background-color: transparent;
    border-bottom: 2px solid var(--primary-color);
}

.tab-content {
    padding-top: 1.5rem;
}

/* Charts */
.chart-container {
    position: relative;
    height: 300px;
    margin-bottom: 1.5rem;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--dark-color);
    padding: 0.5rem;
    border-radius: 6px;
}

.mobile-menu-btn:hover {
    background-color: #f1f5f9;
}

/* Additional Styles for New Features */
.stage-template {
    background-color: #f0f9ff;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.stage-template:hover {
    background-color: #e0f2fe;
    transform: translateY(-2px);
    border-color: var(--accent-color);
}

.template-title {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.template-desc {
    font-size: 0.8rem;
    color: var(--gray-color);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.document-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.85rem;
}

.document-item:last-child {
    border-bottom: none;
}

.online-user {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    border-bottom: 1px solid #e2e8f0;
}

.online-user:last-child {
    border-bottom: none;
}

.online-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--success-color);
    margin-right: 0.75rem;
}

.audit-log-item {
    padding: 1rem;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.85rem;
}

.audit-log-item:last-child {
    border-bottom: none;
}

.audit-time {
    color: var(--gray-color);
    font-size: 0.75rem;
}

.audit-user {
    font-weight: 600;
    color: var(--primary-color);
}

.audit-action {
    margin-left: 0.5rem;
}

/* Activity items en reportes */
.activity-item {
    padding: 0.4rem 0;
    border-bottom: 1px solid #e5e7eb;
}

.activity-item:last-child {
    border-bottom: none;
}

/* Configuración */
.settings-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
}

.settings-section h5 {
    margin-bottom: 1rem;
    color: var(--primary-color);
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 0.5rem;
}

.auto-refresh-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.auto-refresh-controls .form-check {
    margin-bottom: 0;
}

.refresh-interval {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.refresh-interval input {
    width: 80px;
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ✅ Etiquetas personalizadas de tipo de respuesta */

.badge-licitacion {
    background-color: #6f42c1;   /* Violeta */
    color: #ffffff !important;  /* Texto blanco */
    font-weight: 600;
}

.badge-proyecto {
    background-color: #8b5e3c;   /* Marrón */
    color: #ffffff !important;  /* Texto blanco */
    font-weight: 600;
}

.status-desisted {
    background-color: #dc3545;
    color: #fff;
}