/* ===================================================================
   TRANSPORT QUOTATION CONTROL AGENT - PREMIUM DARK ENTERPRISE THEME
   Palette: Dark Navy (#0B1120, #0F172A), Graphite (#1E293B, #334155),
   Electric Blue (#2563EB, #38BDF8), Emerald (#10B981), Amber (#F59E0B), Crimson (#EF4444)
   =================================================================== */

:root {
    --bg-base: #0B1120;
    --bg-surface: #0F172A;
    --bg-card: #1E293B;
    --bg-card-hover: #243248;
    --border-color: #334155;
    --border-light: #475569;
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --accent-blue: #2563EB;
    --accent-blue-light: #38BDF8;
    --accent-glow: rgba(37, 99, 235, 0.25);
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* App Layout Grid */
.app-container {
    display: flex;
    min-height: 100vh;
    background-color: var(--bg-base);
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
}

.sidebar.collapsed {
    width: 76px;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: linear-gradient(135deg, #2563EB, #38BDF8);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
    color: white;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.brand-title {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-primary);
    line-height: 1.2;
}

.brand-subtitle {
    font-size: 10px;
    color: var(--accent-blue-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 10px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.nav-link.active {
    background: linear-gradient(90deg, rgba(37, 99, 235, 0.2), rgba(56, 189, 248, 0.05));
    border-left: 3px solid var(--accent-blue-light);
    color: var(--text-primary);
    font-weight: 600;
}

.nav-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

/* Main Content Area */
.main-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* Header Bar */
.top-header {
    height: 64px;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-search {
    position: relative;
    width: 320px;
}

.header-search input {
    width: 100%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px 8px 36px;
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
    transition: border-color 0.2s;
}

.header-search input:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.status-badge-agent {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.status-badge-agent.running {
    background-color: rgba(16, 185, 129, 0.15);
    color: #34D399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-badge-agent.paused {
    background-color: rgba(245, 158, 11, 0.15);
    color: #FBBF24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-badge-agent.error {
    background-color: rgba(239, 68, 68, 0.15);
    color: #F87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: currentColor;
    box-shadow: 0 0 8px currentColor;
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

/* Content Container */
.page-content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

/* Cards & Containers */
.card-enterprise {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card-enterprise:hover {
    border-color: var(--border-light);
}

.card-header-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.card-subtitle {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* KPI Card Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    background: linear-gradient(145deg, #1E293B, #162032);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 18px;
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-blue);
}

.kpi-card.success::before { background: var(--success); }
.kpi-card.warning::before { background: var(--warning); }
.kpi-card.danger::before { background: var(--danger); }

.kpi-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-value {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 6px 0 2px 0;
}

.kpi-sub {
    font-size: 11.5px;
    color: var(--text-muted);
}

/* Status Badges */
.badge-status {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    text-transform: capitalize;
}

.badge-status.recibida { background: rgba(59, 130, 246, 0.15); color: #60A5FA; }
.badge-status.enanalisis { background: rgba(99, 102, 241, 0.15); color: #818CF8; }
.badge-status.informacionincompleta { background: rgba(245, 158, 11, 0.15); color: #FBBF24; }
.badge-status.pendientetarifas { background: rgba(236, 72, 153, 0.15); color: #F472B6; }
.badge-status.enrevision { background: rgba(139, 92, 246, 0.15); color: #A78BFA; }
.badge-status.aprobada { background: rgba(16, 185, 129, 0.15); color: #34D399; }
.badge-status.enviada { background: rgba(37, 99, 235, 0.15); color: #60A5FA; }
.badge-status.aceptada { background: rgba(5, 150, 105, 0.15); color: #10B981; }
.badge-status.rechazada { background: rgba(239, 68, 68, 0.15); color: #F87171; }
.badge-status.vencida { background: rgba(107, 114, 128, 0.15); color: #9CA3AF; }

/* Action Buttons */
.btn-primary-agent {
    background: linear-gradient(135deg, #2563EB, #1D4ED8);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary-agent:hover {
    background: linear-gradient(135deg, #1D4ED8, #1E40AF);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-secondary-agent {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary-agent:hover {
    background-color: var(--bg-card);
    border-color: var(--border-light);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content-agent {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 90%;
    max-width: 650px;
    padding: 24px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

/* Form Styles */
.form-group-agent {
    margin-bottom: 16px;
}

.form-label-agent {
    display: block;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-control-agent {
    width: 100%;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 9px 12px;
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
    box-sizing: border-box;
}

.form-control-agent:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Tables */
.table-enterprise {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 13px;
}

.table-enterprise th {
    background-color: var(--bg-surface);
    color: var(--text-secondary);
    font-weight: 600;
    text-align: left;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-color);
}

.table-enterprise td {
    padding: 12px 14px;
    border-bottom: 1px solid rgba(51, 65, 85, 0.5);
    color: var(--text-primary);
}

.table-enterprise tr:hover td {
    background-color: rgba(255, 255, 255, 0.02);
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}