/* --- MED IMPORT ERP: PREMIUM STYLESHEET (GLASSMORPHISM) --- */

:root {
    --bg-dark: #0b0f19;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-sidebar: rgba(11, 15, 25, 0.9);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    /* Neon glow colors */
    --color-blue: #3b82f6;
    --color-blue-glow: rgba(59, 130, 246, 0.15);
    --color-green: #10b981;
    --color-green-glow: rgba(16, 185, 129, 0.15);
    --color-orange: #f59e0b;
    --color-orange-glow: rgba(245, 158, 11, 0.15);
    --color-coral: #ef4444;
    --color-coral-glow: rgba(239, 68, 68, 0.15);
    --color-gold: #fbbf24;
    
    /* Gradients */
    --grad-primary: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    --grad-green: linear-gradient(135deg, #064e3b 0%, #10b981 100%);
    --grad-orange: linear-gradient(135deg, #78350f 0%, #f59e0b 100%);
    --grad-coral: linear-gradient(135deg, #7f1d1d 0%, #ef4444 100%);
    --grad-dark-card: linear-gradient(145deg, rgba(20, 30, 48, 0.8) 0%, rgba(36, 59, 85, 0.6) 100%);
    
    --font-sans: 'Outfit', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Reset & Base Styling */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-sans);
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* Dynamic Ambient Glow Backdrops */
.glow-bg {
    position: fixed;
    top: -20%;
    left: -10%;
    width: 60vw;
    height: 60vw;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: -2;
    pointer-events: none;
    animation: pulseGlow 15s infinite alternate;
}

.glow-bg-2 {
    position: fixed;
    bottom: -20%;
    right: -10%;
    width: 50vw;
    height: 50vw;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: -2;
    pointer-events: none;
    animation: pulseGlow 12s infinite alternate-reverse;
}

@keyframes pulseGlow {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.1) translate(30px, 30px); }
}

/* Glassmorphism utility card */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    transition: var(--transition-smooth);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.4);
}

/* Main Layout Structure */
.app-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 30px 20px;
    position: sticky;
    top: 0;
    height: 100vh;
    z-index: 10;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
    padding: 0 10px;
}

.brand-icon {
    font-size: 2rem;
    color: var(--color-blue);
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.5));
}

.brand-text h1 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: linear-gradient(120deg, #ffffff, #9ca3af);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-small {
    font-size: 50%;
}

.brand-text span {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.nav-item {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 14px 16px;
    border-radius: 12px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    text-align: left;
    transition: var(--transition-smooth);
}

.nav-item i {
    font-size: 1.1rem;
    width: 24px;
    transition: var(--transition-smooth);
}

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

.nav-item.active {
    color: #ffffff;
    background: var(--grad-primary);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.nav-item.active i {
    transform: scale(1.1);
}

.sidebar-footer {
    display: flex;
    flex-direction: column;
    gap: 15px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.version {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    letter-spacing: 0.5px;
}

/* Main Content Area */
.main-content {
    padding: 30px 40px;
    display: flex;
    flex-direction: column;
    gap: 30px;
    overflow-y: auto;
}

/* Header bar */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.header-title h2 {
    font-size: 1.75rem;
    font-weight: 700;
}

.header-title p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Rates Widget in Header */
.rates-widget {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 12px 24px !important;
}

.rate-indicator {
    display: flex;
    flex-direction: column;
}

.rate-indicator .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
}

.rate-indicator strong {
    font-size: 1.05rem;
    font-weight: 700;
}

.spread-indicator {
    padding-left: 20px;
    border-left: 1px solid var(--border-color);
}

/* KPI Cards Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.kpi-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.kpi-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
    z-index: 1;
}

.kpi-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-value {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.kpi-subtext {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

/* Accent Colors & Borders */
.text-blue { color: var(--color-blue); }
.text-green { color: var(--color-green); }
.text-orange { color: var(--color-orange); }
.text-coral { color: var(--color-coral); }
.text-gold { color: var(--color-gold); }

.bg-blue-trans { background: rgba(59, 130, 246, 0.15); color: var(--color-blue); }
.bg-green-trans { background: rgba(16, 185, 129, 0.15); color: var(--color-green); }
.bg-orange-trans { background: rgba(245, 158, 11, 0.15); color: var(--color-orange); }
.bg-coral-trans { background: rgba(239, 68, 68, 0.15); color: var(--color-coral); }

.border-glow-blue { border-color: rgba(59, 130, 246, 0.25); box-shadow: 0 0 15px rgba(59, 130, 246, 0.05); }
.border-glow-green { border-color: rgba(16, 185, 129, 0.25); box-shadow: 0 0 15px rgba(16, 185, 129, 0.05); }
.border-glow-orange { border-color: rgba(245, 158, 11, 0.25); box-shadow: 0 0 15px rgba(245, 158, 11, 0.05); }
.border-glow-coral { border-color: rgba(239, 68, 68, 0.25); box-shadow: 0 0 15px rgba(239, 68, 68, 0.05); }

/* Layout Grid for Panels */
.grid-2-col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 25px;
}

.grid-3-col {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 15px;
}

.grid-4-col {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 15px;
}

/* Card Header Stylings */
.card-header {
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-header .sub {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
    display: block;
}

/* Data Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.data-table th {
    padding: 12px 16px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    letter-spacing: 0.5px;
}

.data-table td {
    padding: 14px 16px;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
}

.data-table tbody tr {
    transition: var(--transition-smooth);
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Action Header */
.action-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.action-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Buttons System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: var(--grad-primary);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(59, 130, 246, 0.35);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.btn-green {
    background: var(--grad-green);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.btn-green:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(16, 185, 129, 0.35);
}

.btn-coral {
    background: var(--grad-coral);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.btn-coral:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(239, 68, 68, 0.35);
}

.btn-seed {
    background: linear-gradient(135deg, #4b5563 0%, #1f2937 100%);
    color: #f3f4f6;
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
}

.btn-seed:hover {
    background: linear-gradient(135deg, #6b7280 0%, #374151 100%);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.8rem;
    border-radius: 8px;
}

.btn-full {
    width: 100%;
    padding: 12px;
    margin-top: 15px;
}

.btn:active {
    transform: translateY(0);
}

/* Badges & Tags */
.badge {
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
}

.badge-green { background: rgba(16, 185, 129, 0.15); color: var(--color-green); border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-orange { background: rgba(245, 158, 11, 0.15); color: var(--color-orange); border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-red { background: rgba(239, 68, 68, 0.15); color: var(--color-coral); border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-blue { background: rgba(59, 130, 246, 0.15); color: var(--color-blue); border: 1px solid rgba(59, 130, 246, 0.3); }

/* Cash Reconciliation Row styling */
.cash-details {
    display: flex;
    flex-direction: column;
    gap: 15px;
    flex-grow: 1;
}

.cash-row {
    display: flex;
    align-items: center;
    gap: 15px;
}

.cash-row i {
    font-size: 1.5rem;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cash-row div {
    display: flex;
    flex-direction: column;
}

.cash-row .lbl {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.cash-row h4 {
    font-size: 1.15rem;
    font-weight: 700;
}

.cash-row h3 {
    font-size: 1.5rem;
    font-weight: 800;
}

.cash-row .sub {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 5px 0;
}

.cash-row.total {
    margin-top: 5px;
}

/* Charts sizing */
.chart-container-small {
    position: relative;
    width: 140px;
    height: 140px;
}

/* Form Styles */
.erp-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-control, input[type="text"], input[type="number"], input[type="date"], select, textarea {
    background: rgba(17, 24, 39, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 10px 14px;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: var(--transition-smooth);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.form-control:focus, input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-blue);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.2);
    background: rgba(17, 24, 39, 0.8);
}

.input-with-label {
    display: flex;
    position: relative;
    align-items: center;
}

.input-with-label input {
    width: 100%;
    padding-right: 60px;
}

.input-with-label span {
    position: absolute;
    right: 14px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
    pointer-events: none;
}

/* Info block styling */
.text-info-block {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 12px;
    padding: 16px;
}

.info-item strong {
    font-size: 0.9rem;
    color: var(--color-blue);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.info-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Tab Panels */
.tab-panel {
    display: none;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.tab-panel.active {
    display: flex;
    flex-direction: column;
    gap: 25px;
    opacity: 1;
    transform: translateY(0);
}

/* Shipment Cards Grid */
.shipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 20px;
}

.shipment-card {
    display: flex;
    flex-direction: column;
    gap: 15px;
    position: relative;
}

.shipment-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--grad-primary);
    border-radius: 16px 0 0 16px;
}

.shipment-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.shipment-cost-block {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    padding: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.shipment-cost-block div {
    display: flex;
    flex-direction: column;
}

.shipment-cost-block div .label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.shipment-cost-block div .val {
    font-size: 1.2rem;
    font-weight: 800;
}

.progress-bar-container {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.progress-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.progress-track {
    background: rgba(255, 255, 255, 0.05);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    background: var(--grad-green);
    height: 100%;
    border-radius: 4px;
    transition: var(--transition-smooth);
}

.shipment-details-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.shipment-details-list li {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    padding-bottom: 4px;
}

.shipment-details-list li span:last-child {
    font-weight: 600;
    color: var(--text-primary);
}

/* Modals Overlay & Content */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    width: 92%;
    max-width: 480px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
}

.modal-content .erp-form {
    overflow-y: auto;
    padding-right: 4px;
    flex-grow: 1;
}

.modal-content .grid-2-col {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Estilo premium del scroll para el formulario */
.modal-content .erp-form::-webkit-scrollbar {
    width: 6px;
}
.modal-content .erp-form::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
}
.modal-content .erp-form::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
}
.modal-content .erp-form::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-large {
    max-width: 650px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.modal-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.close-btn:hover {
    color: var(--text-primary);
    transform: scale(1.1);
}

.divider-text {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 4px;
    margin: 10px 0 5px 0;
    letter-spacing: 0.5px;
}

.static-display {
    background: rgba(255, 255, 255, 0.03);
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 1.05rem;
    font-weight: 700;
    border: 1px solid var(--border-color);
}

/* Animations and tweaks */
.gap-10 { gap: 10px; }
.align-center { align-items: center; }
.justify-space-between { justify-content: space-between; }
.flex-row { display: flex; }
.font-bold { font-weight: 700; }

/* Hamburguesa y cerrar en sidebar (por defecto ocultos en desktop) */
.btn-menu-toggle, .btn-sidebar-close {
    display: none;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    font-size: 1.2rem;
    padding: 10px;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-menu-toggle:hover, .btn-sidebar-close:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
}

/* Contenedor del título de cabecera */
.header-title-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Overlay para menú móvil */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 15, 30, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 140;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .app-container {
        grid-template-columns: 1fr;
    }
    
    /* Mostrar hamburguesa */
    .btn-menu-toggle {
        display: inline-flex;
    }

    /* Convertir Sidebar a Drawer deslizante */
    .sidebar {
        position: fixed;
        top: 0;
        left: -280px;
        width: 280px;
        height: 100vh;
        z-index: 150;
        background: rgba(15, 23, 42, 0.95);
        backdrop-filter: blur(25px);
        -webkit-backdrop-filter: blur(25px);
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5);
        transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        display: flex;
        flex-direction: column;
    }

    .sidebar.active {
        left: 0;
    }

    /* Mostrar botón cerrar dentro de brand */
    .sidebar .brand {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .btn-sidebar-close {
        display: inline-flex;
        padding: 6px 10px;
        font-size: 1.1rem;
    }

    .main-content {
        padding: 20px;
    }
}

@media (max-width: 768px) {
    .main-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .rates-widget {
        width: 100%;
        justify-content: space-between;
        padding: 10px 15px;
    }

    .grid-3-col {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid-4-col {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .flex-row.justify-space-between {
        flex-direction: column;
        align-items: stretch;
        gap: 20px;
    }
    
    .chart-container-small {
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 15px 10px;
    }

    .kpi-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .grid-2-col {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .grid-3-col {
        grid-template-columns: 1fr;
    }

    .grid-4-col {
        grid-template-columns: 1fr;
    }
    
    .action-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .action-header .btn {
        width: 100%;
    }
    
    .btn-row {
        flex-direction: column;
    }
    
    .btn-row .btn {
        width: 100%;
    }

    /* Tablas con scroll horizontal para pantallas muy pequeñas */
    .glass-card .card-body {
        overflow-x: auto;
    }
    
    .data-table {
        min-width: 500px;
    }
}

/* --- LOGIN SCREEN (GLASSMORPHISM) --- */
.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 15, 30, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    opacity: 1;
    visibility: visible;
}

.login-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 40px;
    border-radius: 24px;
    background: rgba(17, 24, 39, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transform: translateY(0);
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.login-overlay.hidden .login-card {
    transform: translateY(-20px);
}

.login-brand h2 {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-top: 10px;
}

.login-brand p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.login-error {
    animation: shake 0.4s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}