/* Style.css - Sistema de Facturación Electrónica (Light Theme Premium) */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #eff6ff;
    --secondary: #1e3a8a;
    --background: #f8fafc;
    --card-bg: #ffffff;
    --text: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --border-hover: #cbd5e1;
    
    --success: #10b981;
    --success-light: #ecfdf5;
    --warning: #f59e0b;
    --warning-light: #fffbeb;
    --danger: #ef4444;
    --danger-light: #fef2f2;
    --info: #06b6d4;
    --info-light: #ecfeff;
    
    --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: var(--font);
    background-color: var(--background);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-dark);
}

/* Header & Nav */
.main-header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0.75rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    height: 148px;
    width: 154px;
    margin-top: -50px;
    margin-bottom: -50px;
    display: block;
    object-fit: contain;
}

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.5rem;
    cursor: pointer;
    font-size: 1.25rem;
    color: var(--text);
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 0.5rem;
}

.main-nav a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    border-radius: 6px;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.main-nav a:hover, .main-nav a.active {
    color: var(--primary);
    background-color: var(--primary-light);
}

/* Main Content Layout */
.main-content {
    min-height: calc(100vh - 140px);
    padding: 2rem 1.5rem;
}

.content-container {
    max-width: 1280px;
    margin: 0 auto;
}

/* Footer */
.main-footer {
    background-color: var(--card-bg);
    border-top: 1px solid var(--border);
    padding: 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
}

/* Typography & Titles */
h1, h2, h3, h4, h5, h6 {
    color: var(--secondary);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-title {
    font-size: 1.75rem;
    color: var(--text);
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

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

.card-title {
    font-size: 1.15rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Grid System */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 1024px) {
    .grid-cols-3, .grid-cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
    .grid-cols-2, .grid-cols-3, .grid-cols-4 { grid-template-columns: 1fr; }
}

/* KPIs Dashboard */
.kpi-card {
    padding: 1.25rem;
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.kpi-card.success { border-left-color: var(--success); }
.kpi-card.warning { border-left-color: var(--warning); }
.kpi-card.danger { border-left-color: var(--danger); }
.kpi-card.info { border-left-color: var(--info); }

.kpi-title {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.kpi-value {
    font-size: 1.75rem;
    font-weight: 800;
    margin-top: 0.25rem;
}

.kpi-icon {
    font-size: 2.25rem;
    color: var(--border);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: #fff;
}

.btn-secondary {
    background-color: #fff;
    border-color: var(--border);
    color: var(--text);
}

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

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

.btn-success:hover {
    background-color: #059669;
    color: #fff;
}

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

.btn-danger:hover {
    background-color: #dc2626;
    color: #fff;
}

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

.btn-warning:hover {
    background-color: #d97706;
    color: #fff;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    border-radius: 6px;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.6rem;
    border-radius: 9999px;
    text-transform: uppercase;
}

.badge-primary { background-color: var(--primary-light); color: var(--primary); }
.badge-success { background-color: var(--success-light); color: var(--success); }
.badge-warning { background-color: var(--warning-light); color: var(--warning); }
.badge-danger { background-color: var(--danger-light); color: var(--danger); }
.badge-info { background-color: var(--info-light); color: var(--info); }

/* Form Controls */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.4rem;
}

.form-label .required {
    color: var(--danger);
}

.form-control {
    width: 100%;
    font-family: var(--font);
    font-size: 0.95rem;
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: #fff;
    color: var(--text);
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row > * {
    flex: 1;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    width: 100%;
    margin-bottom: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    background-color: var(--card-bg);
}

th, td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

th {
    background-color: var(--background);
    color: var(--secondary);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background-color: var(--primary-light) !important;
}

.table-striped tbody tr:nth-of-type(odd) td {
    background-color: #fcfdfe;
}

/* Filters & Search */
.filters-bar {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
}

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

.alert-danger {
    background-color: var(--danger-light);
    border-color: #fca5a5;
    color: #991b1b;
}

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

/* Items editor table (Facturas/Prefacturas) */
.items-table th {
    font-size: 0.8rem;
}

.items-table input, .items-table select {
    padding: 0.4rem 0.6rem;
    font-size: 0.875rem;
}

.items-table .actions {
    text-align: center;
    width: 50px;
}

.totals-summary {
    max-width: 400px;
    margin-left: auto;
    margin-top: 1.5rem;
    background-color: var(--background);
    padding: 1.25rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.totals-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px dashed var(--border);
    font-size: 0.95rem;
}

.totals-row.final {
    display: flex;
    justify-content: space-between;
    border-bottom: none;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--secondary);
    padding-top: 0.75rem;
}

/* Tabs */
.tabs-container {
    margin-bottom: 1.5rem;
}

.tabs-nav {
    display: flex;
    border-bottom: 2px solid var(--border);
    margin-bottom: 1rem;
    list-style: none;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    color: var(--text-muted);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font);
}

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

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

/* Detail modal / details page styles */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.detail-section {
    background-color: var(--background);
    padding: 1.25rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.detail-section-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.4rem;
}

.detail-row {
    display: flex;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.detail-label {
    width: 140px;
    font-weight: 600;
    color: var(--text-muted);
}

.detail-value {
    flex: 1;
    color: var(--text);
}

/* Responsive navigation styles */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .main-nav {
        display: none;
        width: 100%;
        position: absolute;
        top: 65px;
        left: 0;
        background-color: var(--card-bg);
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow);
    }
    
    .main-nav.open {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
        padding: 1rem;
        gap: 0.5rem;
    }
    
    .main-nav a {
        padding: 0.75rem 1rem;
    }
    
    .detail-grid {
        grid-template-columns: 1fr;
    }
}

/* Print Layout Optimization */
@media print {
    body {
        background-color: #ffffff !important;
        color: #000000 !important;
        font-size: 10pt;
    }
    
    .main-header,
    .main-footer,
    .btn-group,
    .btn,
    .alert,
    .card-title button,
    .detail-section-title button,
    form button,
    .no-print {
        display: none !important;
    }
    
    .main-content {
        padding: 0 !important;
        min-height: auto !important;
    }
    
    .content-container {
        max-width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .grid {
        display: block !important;
    }
    
    .card {
        border: none !important;
        box-shadow: none !important;
        padding: 0 !important;
        margin-bottom: 2rem !important;
    }
    
    .detail-grid {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 2rem !important;
    }
    
    .detail-section {
        background-color: transparent !important;
        border: 1px solid #cbd5e1 !important;
        padding: 1rem !important;
    }
    
    table {
        border: 1px solid #cbd5e1 !important;
    }
    
    th, td {
        padding: 0.5rem !important;
        border-bottom: 1px solid #cbd5e1 !important;
    }
    
    th {
        background-color: #f1f5f9 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    
    .totals-summary {
        margin-right: 0 !important;
        background-color: transparent !important;
        border: 1px solid #cbd5e1 !important;
    }
    
    .invoice-official-header {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
        border-bottom: 2px solid #000000 !important;
    }
    
    .invoice-official-header div {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
}

/* ==========================================================================
   Dropdown Navigation Menu Styles
   ========================================================================== */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--card-bg);
    min-width: 190px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    z-index: 150;
    margin-top: 0.25rem;
    padding: 0.5rem 0;
}

.dropdown-content a {
    color: var(--text-muted) !important;
    padding: 0.5rem 1.25rem !important;
    text-decoration: none;
    display: flex !important;
    align-items: center;
    gap: 0.6rem;
    border-radius: 0 !important;
    font-size: 0.9rem !important;
    font-weight: 500 !important;
    background-color: transparent !important;
    transition: all 0.2s ease;
}

.dropdown-content a:hover, 
.dropdown-content a.active {
    color: var(--primary) !important;
    background-color: var(--primary-light) !important;
}

.dropdown.open .dropdown-content {
    display: block;
}

/* Mobile responsive dropdowns */
@media (max-width: 768px) {
    .dropdown {
        display: block;
        width: 100%;
    }
    
    .dropdown-content {
        display: block;
        position: static;
        box-shadow: none;
        border: none;
        border-left: 2px solid var(--border);
        padding-left: 0.75rem;
        margin-left: 0.5rem;
        background-color: transparent;
        min-width: auto;
        margin-top: 0.25rem;
    }
}