/* ===================================================
   MyQuoteWeb - Modern CSS Theme
   Primary: Celeste (#0ea5e9) + White
   =================================================== */

:root {
    --primary: #0ea5e9;
    --primary-light: #38bdf8;
    --primary-lighter: #7dd3fc;
    --primary-lightest: #e0f2fe;
    --primary-dark: #0284c7;
    --primary-darker: #0369a1;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --info: #0ea5e9;
    --info-light: #e0f2fe;
    --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
    --shadow: 0 1px 3px 0 rgba(0,0,0,0.1), 0 1px 2px -1px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --transition: all 0.2s ease;
}

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

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
}

/* ===== LAYOUT ===== */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
    width: 260px;
    background: linear-gradient(180deg, var(--gray-900) 0%, var(--gray-800) 100%);
    color: var(--white);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    overflow-y: auto;
    transition: var(--transition);
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    color: white;
    flex-shrink: 0;
}

.sidebar-logo-img {
    width: 40px !important;
    height: 40px !important;
    max-width: 40px;
    max-height: 40px;
    min-width: 40px;
    min-height: 40px;
    border-radius: var(--radius);
    object-fit: cover;
    flex-shrink: 0;
}

.sidebar-title {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.sidebar-subtitle {
    font-size: 11px;
    color: var(--gray-400);
    font-weight: 400;
}

.sidebar-nav {
    padding: 12px 0;
}

.nav-section-title {
    color: var(--gray-500);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    padding: 16px 20px 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    color: var(--gray-300);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(255,255,255,0.06);
    color: var(--white);
}

.nav-item.active {
    background: rgba(14,165,233,0.12);
    color: var(--primary-light);
    border-left-color: var(--primary);
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.nav-item .badge {
    margin-left: auto;
    background: var(--primary);
    color: white;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    flex: 1;
    margin-left: 260px;
    min-height: 100vh;
}

/* ===== TOP BAR ===== */
.topbar {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 0 32px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.topbar-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-800);
}

.topbar-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--gray-500);
}

.topbar-breadcrumb a {
    color: var(--primary);
    text-decoration: none;
}

.topbar-breadcrumb span {
    color: var(--gray-400);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.empresa-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-lightest);
    padding: 6px 14px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.empresa-selector:hover {
    border-color: var(--primary-light);
}

.empresa-selector i {
    color: var(--primary);
}

.empresa-selector select {
    background: transparent;
    border: none;
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    outline: none;
}

/* ===== PAGE CONTENT ===== */
.page-content {
    padding: 24px 32px;
}

/* ===== CARDS ===== */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
}

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

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-header h3 i {
    color: var(--primary);
}

.card-body {
    padding: 24px;
}

.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
}

/* ===== KPI CARDS ===== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.kpi-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 12px;
}

.kpi-icon.primary { background: var(--primary-lightest); color: var(--primary); }
.kpi-icon.success { background: var(--success-light); color: var(--success); }
.kpi-icon.warning { background: var(--warning-light); color: var(--warning); }
.kpi-icon.danger { background: var(--danger-light); color: var(--danger); }

.kpi-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--gray-800);
    line-height: 1.2;
}

.kpi-label {
    font-size: 13px;
    color: var(--gray-500);
    font-weight: 500;
    margin-top: 4px;
}

.kpi-change {
    font-size: 12px;
    font-weight: 600;
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.kpi-change.up { color: var(--success); }
.kpi-change.down { color: var(--danger); }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 2px 4px rgba(14,165,233,0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-darker));
    box-shadow: 0 4px 8px rgba(14,165,233,0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--white);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #059669);
    color: var(--white);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #dc2626);
    color: var(--white);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), #d97706);
    color: var(--white);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary-lightest);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
}

.btn-xs {
    padding: 4px 10px;
    font-size: 11px;
    border-radius: 6px;
}

.btn-icon {
    padding: 8px;
    width: 36px;
    height: 36px;
    justify-content: center;
}

.btn-icon.btn-sm {
    width: 30px;
    height: 30px;
    padding: 4px;
}

.btn-group {
    display: flex;
    gap: 6px;
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-label .required {
    color: var(--danger);
    margin-left: 2px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--gray-800);
    background: var(--white);
    transition: var(--transition);
    outline: none;
    font-family: inherit;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14,165,233,0.15);
}

.form-control:disabled {
    background: var(--gray-100);
    color: var(--gray-500);
    cursor: not-allowed;
}

.form-control.is-invalid {
    border-color: var(--danger);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239,68,68,0.15);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

textarea.form-control {
    min-height: 80px;
    resize: vertical;
}

.form-help {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 4px;
}

.form-error {
    font-size: 12px;
    color: var(--danger);
    margin-top: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.form-row-2 { grid-template-columns: repeat(2, 1fr); }
.form-row-3 { grid-template-columns: repeat(3, 1fr); }
.form-row-4 { grid-template-columns: repeat(4, 1fr); }

/* ===== INPUT GROUP ===== */
.input-group {
    display: flex;
    align-items: stretch;
}

.input-group .form-control {
    border-radius: var(--radius) 0 0 var(--radius);
}

.input-group-append {
    display: flex;
}

.input-group-append .btn {
    border-radius: 0 var(--radius) var(--radius) 0;
}

/* ===== SEARCH BOX ===== */
.search-box {
    position: relative;
}

.search-box input {
    padding-left: 40px;
}

.search-box i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

/* ===== AUTOCOMPLETE ===== */
.autocomplete-wrapper {
    position: relative;
}

.autocomplete-list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    max-height: 250px;
    overflow-y: auto;
    z-index: 500;
    display: none;
}

.autocomplete-list.show {
    display: block;
}

.autocomplete-item {
    padding: 10px 14px;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid var(--gray-100);
}

.autocomplete-item:hover {
    background: var(--primary-lightest);
}

.autocomplete-item .main-text {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 13px;
}

.autocomplete-item .sub-text {
    font-size: 11px;
    color: var(--gray-500);
}

/* ===== TABLE ===== */
.table-container {
    overflow-x: auto;
}

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

.data-table th {
    background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 700;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: left;
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
}

.data-table td {
    padding: 12px 16px;
    font-size: 13px;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

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

.data-table tbody tr:hover {
    background: var(--primary-lightest);
}

.data-table .text-right { text-align: right; }
.data-table .text-center { text-align: center; }

/* ===== STATUS BADGES ===== */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.status-badge::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-nueva { background: var(--info-light); color: #0369a1; }
.status-nueva::before { background: var(--info); }

.status-enviada { background: var(--warning-light); color: #92400e; }
.status-enviada::before { background: var(--warning); }

.status-aprobada { background: var(--success-light); color: #065f46; }
.status-aprobada::before { background: var(--success); }

.status-anulada { background: var(--danger-light); color: #991b1b; }
.status-anulada::before { background: var(--danger); }

/* ===== MODAL ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 40px 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    overflow-y: auto;
}

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

.modal {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 900px;
    transform: translateY(-20px);
    transition: all 0.3s ease;
    margin: auto 0;
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-lg { max-width: 1100px; }
.modal-xl { max-width: 1300px; }

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-header h3 i {
    color: var(--primary);
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--gray-100);
    color: var(--gray-500);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--danger-light);
    color: var(--danger);
}

.modal-body {
    padding: 24px;
    max-height: 70vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    background: var(--gray-50);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* ===== TABS ===== */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 24px;
    gap: 0;
}

.tab-item {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-500);
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-item:hover {
    color: var(--primary);
}

.tab-item.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ===== FILTER BAR ===== */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding: 16px 24px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-100);
}

.filter-bar .form-control {
    width: auto;
    min-width: 150px;
    padding: 8px 12px;
    font-size: 13px;
}

/* ===== PAGINATION ===== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.pagination-info {
    font-size: 13px;
    color: var(--gray-500);
}

.pagination-buttons {
    display: flex;
    gap: 4px;
}

.page-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    background: var(--white);
    color: var(--gray-600);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
}

.page-btn:hover {
    background: var(--primary-lightest);
    border-color: var(--primary-light);
    color: var(--primary);
}

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

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ===== CHARTS ===== */
.chart-container {
    position: relative;
    height: 300px;
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

/* ===== ALERTS ===== */
.alert {
    padding: 14px 20px;
    border-radius: var(--radius);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.alert-info {
    background: var(--info-light);
    color: #0369a1;
    border: 1px solid #bae6fd;
}

.alert-success {
    background: var(--success-light);
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-warning {
    background: var(--warning-light);
    color: #92400e;
    border: 1px solid #fde68a;
}

.alert-danger {
    background: var(--danger-light);
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* ===== TOAST ===== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--white);
    border-radius: var(--radius);
    padding: 14px 20px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 320px;
    max-width: 450px;
    animation: slideIn 0.3s ease;
    border-left: 4px solid var(--primary);
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }

.toast-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.toast.success .toast-icon { color: var(--success); }
.toast.error .toast-icon { color: var(--danger); }
.toast.warning .toast-icon { color: var(--warning); }

.toast-message {
    font-size: 14px;
    font-weight: 500;
    flex: 1;
}

.toast-close {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 4px;
    font-size: 16px;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ===== LOADING SPINNER ===== */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.spinner-lg {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

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

.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 12px;
    z-index: 10;
    border-radius: inherit;
}

.loading-overlay .spinner-text {
    font-size: 13px;
    color: var(--gray-500);
    font-weight: 500;
}

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: 60px 24px;
}

.empty-state i {
    font-size: 48px;
    color: var(--gray-300);
    margin-bottom: 16px;
}

.empty-state h4 {
    font-size: 18px;
    color: var(--gray-600);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
    color: var(--gray-400);
    margin-bottom: 20px;
}

/* ===== DETAIL ITEMS TABLE ===== */
.items-table {
    width: 100%;
    border-collapse: collapse;
}

.items-table th {
    background: var(--primary-lightest);
    padding: 10px 12px;
    font-size: 11px;
    font-weight: 700;
    color: var(--primary-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: left;
}

.items-table td {
    padding: 8px 12px;
    font-size: 13px;
    border-bottom: 1px solid var(--gray-100);
}

.items-table td input,
.items-table td select,
.items-table td textarea {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    font-size: 12px;
    font-family: inherit;
}

.items-table td input:focus,
.items-table td select:focus,
.items-table td textarea:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(14,165,233,0.15);
}

.items-table .row-titulo {
    background: var(--primary-lightest) !important;
}

.items-table .row-titulo td {
    font-weight: 700;
    color: var(--primary-dark);
}

.items-table .row-subtotal {
    background: var(--gray-50) !important;
    font-weight: 700;
}

.items-table .row-actions {
    display: flex;
    gap: 4px;
}

.add-item-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    color: var(--primary);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius);
    background: transparent;
    width: 100%;
    justify-content: center;
    margin-top: 8px;
    transition: var(--transition);
}

.add-item-btn:hover {
    border-color: var(--primary);
    background: var(--primary-lightest);
}

/* ===== TOTALS SECTION ===== */
.totals-section {
    display: flex;
    justify-content: flex-end;
    margin-top: 16px;
}

.totals-box {
    width: 350px;
    background: var(--gray-50);
    border-radius: var(--radius);
    padding: 16px;
    border: 1px solid var(--gray-200);
}

.total-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 14px;
    border-bottom: 1px solid var(--gray-200);
}

.total-row:last-child {
    border-bottom: none;
}

.total-row.final {
    font-size: 18px;
    font-weight: 800;
    color: var(--primary-dark);
    border-top: 2px solid var(--primary);
    padding-top: 12px;
    margin-top: 4px;
}

.total-row .label {
    color: var(--gray-600);
    font-weight: 500;
}

.total-row .value {
    font-weight: 700;
    color: var(--gray-800);
}

/* ===== FILE UPLOAD ===== */
.file-upload {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--gray-50);
}

.file-upload:hover {
    border-color: var(--primary);
    background: var(--primary-lightest);
}

.file-upload i {
    font-size: 40px;
    color: var(--primary-light);
    margin-bottom: 12px;
}

.file-upload h4 {
    font-size: 16px;
    color: var(--gray-700);
    margin-bottom: 4px;
}

.file-upload p {
    font-size: 13px;
    color: var(--gray-500);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .sidebar { width: 220px; }
    .main-content { margin-left: 220px; }
    .form-row-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .topbar { padding: 0 16px; }
    .page-content { padding: 16px; }
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .form-row-2, .form-row-3, .form-row-4 { grid-template-columns: 1fr; }
    .modal { margin: 10px; }
    .charts-grid { grid-template-columns: 1fr; }
    .filter-bar { flex-direction: column; align-items: stretch; }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

/* ===== UTILITY CLASSES ===== */
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--danger) !important; }
.text-muted { color: var(--gray-500) !important; }
.text-right { text-align: right !important; }
.text-center { text-align: center !important; }
.font-bold { font-weight: 700 !important; }
.mt-1 { margin-top: 8px !important; }
.mt-2 { margin-top: 16px !important; }
.mt-3 { margin-top: 24px !important; }
.mb-1 { margin-bottom: 8px !important; }
.mb-2 { margin-bottom: 16px !important; }
.mb-3 { margin-bottom: 24px !important; }
.d-none { display: none !important; }
.d-flex { display: flex !important; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.justify-between { justify-content: space-between !important; }
.items-center { align-items: center !important; }
.w-full { width: 100% !important; }

/* ===== PRINT STYLES ===== */
@media print {
    .sidebar, .topbar, .filter-bar, .btn, .pagination { display: none !important; }
    .main-content { margin-left: 0 !important; }
    .card { box-shadow: none; border: 1px solid #ddd; }
}