:root {
    /* Brand Colors matching user preferences */
    --color-primary: #073c51;       /* Deep Navy */
    --color-primary-light: #0a5570; /* Light Navy */
    --color-secondary: #0ba88a;     /* Teal / Green */
    
    /* Semantic Colors */
    --color-success: #10b981;
    --color-success-bg: #d1fae5;
    --color-warning: #f59e0b;
    --color-warning-bg: #fef3c7;
    --color-danger: #ef4444;
    --color-danger-bg: #fee2e2;

    /* Neutrals */
    --color-dark: #111827;
    --color-gray: #6b7280;
    --color-gray-light: #9ca3af;
    --color-bg: #f3f4f6;
    --color-white: #ffffff;
    --color-border: #e5e7eb;

    /* Styling Vars */
    --border-radius-sm: 6px;
    --border-radius: 10px;
    --border-radius-lg: 16px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-dark);
    -webkit-font-smoothing: antialiased;
}

/* Utilities */
.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-gray { color: var(--color-gray); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--color-primary-light);
    box-shadow: var(--shadow);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background-color: #f9fafb;
    border-color: var(--color-gray-light);
}

.btn-icon {
    background: transparent;
    padding: 0.5rem;
    color: var(--color-gray);
    border: 1px solid transparent;
}
.btn-icon:hover {
    background: var(--color-white);
    border-color: var(--color-border);
    border-radius: 50%;
}

/* App Layout Structure */
.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--color-white);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    z-index: 10;
}

.sidebar-header {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.logo-box {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.logo-icon { width: 20px; height: 20px; }

.logo-text {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.nav-section-title {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-gray-light);
    letter-spacing: 0.05em;
    padding: 0 0.75rem 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.75rem;
    border-radius: var(--border-radius-sm);
    color: var(--color-gray);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}

.nav-item i { width: 20px; height: 20px; }

.nav-item:hover {
    background-color: #f3f4f6;
    color: var(--color-dark);
}

.nav-item.active {
    background-color: var(--color-success-bg);
    color: var(--color-success);
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid var(--color-border);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    cursor: pointer;
}

.user-profile:hover { background-color: #f3f4f6; }

.avatar {
    width: 36px;
    height: 36px;
    background-color: var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray);
}

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

.user-name { font-size: 0.875rem; font-weight: 600; color: var(--color-dark); }
.user-role { font-size: 0.75rem; color: var(--color-gray); }

/* Main Area */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

.top-header {
    height: 70px;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 5;
}

.top-header h1 {
    font-size: 1.25rem;
    font-weight: 600;
}

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

.view-container {
    flex: 1;
    padding: 0.5rem 2rem 2rem 2rem;
    overflow-y: auto;
}

.view { display: none; }
.view.hidden { display: none !important; }
.view.active { display: block; }

/* Status Badges */
.status-badge {
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    display: inline-flex;
    align-items: center;
}

.status-badge.success { background-color: var(--color-success-bg); color: var(--color-success); border: 1px solid #a7f3d0; }
.status-badge.warning { background-color: var(--color-warning-bg); color: var(--color-warning); border: 1px solid #fde68a; }

/* KPIs grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.kpi-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.kpi-icon-wrapper {
    width: 60px; height: 60px;
    border-radius: var(--border-radius);
    display: flex; align-items: center; justify-content: center;
}
.kpi-icon-wrapper i { width: 28px; height: 28px; }

.kpi-icon-wrapper.blue { background-color: #e0f2fe; color: #0284c7; }
.kpi-icon-wrapper.green { background-color: var(--color-success-bg); color: var(--color-success); }
.kpi-icon-wrapper.orange { background-color: var(--color-warning-bg); color: var(--color-warning); }

.kpi-details { display: flex; flex-direction: column; gap: 0.25rem; }
.kpi-header { font-size: 0.875rem; color: var(--color-gray); font-weight: 500; }
.kpi-value { font-size: 2rem; font-weight: 700; line-height: 1; }

/* Fabricantes Grid */
.toolbar {
    margin-bottom: 1.5rem;
    display: flex;
}
.search-box {
    display: flex;
    align-items: center;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    padding: 0.5rem 1rem;
    gap: 0.75rem;
    width: 320px;
}
.search-box i { color: var(--color-gray-light); width: 20px; height: 20px; }
.search-box input { border: none; outline: none; background: transparent; width: 100%; font-family: inherit;}

.fabricantes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.fabricante-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.fabricante-card:hover {
    box-shadow: var(--shadow);
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
}

.fabricante-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 4px; height: 100%;
    background-color: var(--color-primary);
    opacity: 0;
    transition: var(--transition);
}
.fabricante-card:hover::before { opacity: 1; }

.f-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}
.f-card-title { font-size: 1.125rem; font-weight: 600; color: var(--color-dark); margin-bottom: 0.25rem;}
.f-card-cif { font-size: 0.8rem; color: var(--color-gray); }

.f-card-stats {
    display: flex;
    gap: 1.5rem;
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--color-border);
}
.stat { display: flex; flex-direction: column; }
.stat-val { font-weight: 600; font-size: 1.1rem; }
.stat-lbl { font-size: 0.7rem; color: var(--color-gray); text-transform: uppercase; letter-spacing: 0.05em; }

/* Detail View Layout */
.detail-header-bar { margin-bottom: 0.5rem; }
.detail-hero {
    background: linear-gradient(135deg, var(--color-white) 0%, #f8fafc 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.hero-info { display: flex; align-items: center; gap: 1.5rem; }
.hero-icon {
    width: 64px; height: 64px;
    background: var(--color-primary);
    border-radius: var(--border-radius-lg);
    display: flex; align-items: center; justify-content: center;
    color: var(--color-white);
}
.hero-icon i { width: 32px; height: 32px; }
.hero-subtitle { margin-top: 0.25rem; font-size: 0.9rem;}

.section-title { margin-bottom: 1.5rem; }
.section-title h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.25rem; }

/* Slots Grid for Documentation */
.category-box {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--color-border);
}

.category-header h4 {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 600;
}

.category-header i {
    width: 24px;
    height: 24px;
}

.slots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.slot-card {
    background: var(--color-white);
    border: 1px dashed var(--color-gray-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.slot-card:hover {
    border-color: var(--color-primary);
    background-color: #f8fafc;
    transform: translateY(-2px);
}

.slot-card.completed {
    border: 1px solid var(--color-success);
    background-color: var(--color-success-bg);
}
.slot-card.completed:hover {
    background-color: #bbf7d0;
}

.slot-icon-box {
    width: 48px; height: 48px;
    border-radius: 50%;
    background-color: var(--color-bg);
    display: flex; align-items: center; justify-content: center;
    color: var(--color-gray);
    margin-bottom: 0.5rem;
}
.slot-card.completed .slot-icon-box { background-color: var(--color-success); color: var(--color-white); }
.slot-card.completed h4 { color: var(--color-success); }
.slot-card h4 { font-size: 0.95rem; font-weight: 600; }
.slot-meta { font-size: 0.75rem; color: var(--color-gray); }

/* Modal */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(17, 24, 39, 0.6);
    backdrop-filter: blur(4px);
    z-index: 50;
    display: flex; align-items: center; justify-content: center;
}
.modal-overlay.hidden { display: none; }

.modal {
    background: var(--color-white);
    width: 90%; max-width: 500px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    display: flex; justify-content: space-between; align-items: center;
}

.modal-icon-bg {
    background: #e0f2fe; padding: 0.4rem; border-radius: var(--border-radius-sm); display: flex;
}

.btn-close {
    background: transparent; border: none; color: var(--color-gray); cursor: pointer;
    padding: 0.25rem; transition: var(--transition);
}
.btn-close:hover { color: var(--color-dark); }

.modal-body { padding: 1.5rem; }

.upload-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--border-radius);
    padding: 2.5rem 1.5rem;
    text-align: center;
    background-color: #fafafa;
    cursor: pointer;
    transition: var(--transition);
}
.upload-zone:hover {
    border-color: var(--color-primary);
    background-color: #f0f9ff;
}
.upload-zone h4 { margin: 0.75rem 0 0.25rem; font-size: 1rem; color: var(--color-dark);}
.upload-icon { width: 40px; height: 40px; color: var(--color-primary); }
.upload-hint { display: block; margin-top: 1rem; font-size: 0.75rem; color: var(--color-gray-light); }

.modal-footer {
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--color-border);
    background: #f9fafb;
    display: flex; justify-content: flex-end; gap: 0.75rem;
}

/* Animations */
.fade-in { animation: fadeIn 0.3s ease forwards; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

.bounce-in { animation: bounceIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards; }
@keyframes bounceIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }

/* Sidebar submenus */
.nav-item.has-submenu {
    cursor: pointer;
}
.nav-chevron {
    margin-left: auto;
    width: 16px;
    height: 16px;
    transition: transform 0.3s;
}
.nav-item.open .nav-chevron {
    transform: rotate(180deg);
}
.nav-submenu {
    display: flex;
    flex-direction: column;
    margin-left: 2.2rem;
    padding-left: 0.5rem;
    border-left: 1px solid var(--color-border);
    margin-top: 0.25rem;
    margin-bottom: 0.5rem;
    gap: 0.25rem;
}
.nav-submenu.hidden {
    display: none;
}
.nav-subitem {
    padding: 0.4rem 0.5rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-gray);
    cursor: pointer;
    transition: var(--transition);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.nav-subitem:hover, .nav-subitem.active {
    color: var(--color-primary);
    background: rgba(7, 60, 81, 0.05);
}
.nav-subitem i {
    width: 14px;
    height: 14px;
}

/* Form Layouts for New Manufacturer */
.form-section {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.form-section legend {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-dark);
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(7, 60, 81, 0.1);
}

.form-divider {
    grid-column: 1 / -1;
    height: 1px;
    background: var(--color-border);
    margin: 0.5rem 0;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-bottom: 3rem;
}

/* Data Table */
.data-table-container {
    width: 100%;
    overflow-x: auto;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    margin-top: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.data-table th, .data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.data-table th {
    background: var(--color-bg);
    font-weight: 600;
    color: var(--color-gray);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

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

.data-table tbody tr:hover {
    background: rgba(7, 60, 81, 0.02);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* Editable Table */
.editable-table .data-table td[contenteditable="true"] {
    outline: none;
    transition: box-shadow 0.2s, background-color 0.2s;
    cursor: text;
}

.editable-table .data-table td[contenteditable="true"]:focus {
    background-color: var(--color-white) !important;
    box-shadow: inset 0 0 0 2px var(--color-primary);
    position: relative;
    z-index: 10;
}

/* Detail Tabs */
.detail-tabs {
    display: flex;
    gap: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 2rem;
    padding-top: 1rem;
}
.detail-tab {
    padding: 0.75rem 0.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-gray);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.detail-tab i {
    width: 18px;
    height: 18px;
}
.detail-tab:hover {
    color: var(--color-primary);
}
.detail-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}
.detail-tab-content {
    display: none;
    animation: bounceIn 0.3s ease;
}
.detail-tab-content.active {
    display: block;
}

/* Strict isolation for XML generator to prevent visual bleed into other tabs */
#tab-xml-dgt {
    display: none !important;
}
#tab-xml-dgt.active {
    display: block !important;
}

/* Normativa File Explorer */
.file-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    cursor: grab;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}
.file-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    border-color: var(--color-primary);
}
.file-card:active {
    cursor: grabbing;
}
.file-card.dragging {
    opacity: 0.5;
    transform: scale(0.95);
}
.folder-card {
    background: var(--color-white);
    border: 2px dashed var(--color-border);
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: all 0.2s;
}
.folder-card:hover {
    border-color: var(--color-primary);
    background: rgba(7, 60, 81, 0.02);
}
.folder-card.drag-over {
    background: rgba(16, 185, 129, 0.1) !important;
    border-color: var(--color-success) !important;
    transform: scale(1.05);
}

.files-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.file-list-item {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    cursor: grab;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
    display: flex;
}
.file-list-item:hover {
    border-color: var(--color-primary-light);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}
.file-list-item:active {
    cursor: grabbing;
}
.file-list-item.dragging {
    opacity: 0.5;
    background: #f8fafc;
}
.file-list-item a.file-name {
    transition: var(--transition);
}
.file-list-item a.file-name:hover {
    text-decoration: underline !important;
}

/* Login Portal */
.login-portal {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: linear-gradient(135deg, var(--color-primary), var(--color-dark));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}
.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    padding: 3.5rem 3rem;
    width: 90%;
    max-width: 480px;
    text-align: center;
}
.login-header {
    margin-bottom: 2rem;
}
.login-header i { width: 56px; height: 56px; color: var(--color-primary); margin-bottom: 1.5rem; }
.login-header h2 { color: var(--color-dark); font-size: 1.6rem; margin-bottom: 0.5rem; }
.login-header p { color: var(--color-gray); font-size: 0.95rem; }
.login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}
.login-btn-admin {
    background: var(--color-primary);
    color: white;
}
.login-btn-admin:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
.login-btn-client {
    background: white;
    color: var(--color-primary);
    border-color: var(--color-border);
}
.login-btn-client:hover {
    border-color: var(--color-primary);
    background: #f8fafc;
    transform: translateY(-2px);
}