/* =============================================
   Reset & Base
   ============================================= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-surface);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

img {
    max-width: 100%;
    height: auto;
}

button {
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    border: none;
    background: none;
    color: inherit;
}

input, select, textarea {
    font-family: inherit;
    font-size: var(--font-size-base);
}

/* =============================================
   Sidebar
   ============================================= */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--color-bg);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
}

.sidebar.open {
    transform: translateX(0);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border-light);
}

.sidebar-logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.sidebar-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    color: var(--color-text-secondary);
    transition: background var(--transition);
}

.sidebar-close:hover {
    background: var(--color-surface);
}

.sidebar-nav {
    flex: 1;
    padding: 12px;
    overflow-y: auto;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius);
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: all var(--transition);
    min-height: 44px;
    width: 100%;
    text-align: left;
}

.nav-link:hover {
    background: var(--color-surface);
    color: var(--color-text);
}

.nav-link.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.nav-link svg {
    flex-shrink: 0;
}

.nav-divider {
    height: 1px;
    background: var(--color-border-light);
    margin: 8px 16px;
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--color-border-light);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 99;
}

.sidebar-overlay.active {
    display: block;
}

/* =============================================
   Main content
   ============================================= */
.main {
    min-height: 100vh;
    transition: margin-left var(--transition-slow);
}

.topbar {
    position: sticky;
    top: 0;
    display: flex;
    align-items: center;
    gap: 12px;
    height: var(--topbar-height);
    padding: 0 16px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border-light);
    z-index: 50;
}

.topbar-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    color: var(--color-text);
    transition: background var(--transition);
}

.topbar-menu:hover {
    background: var(--color-surface);
}

.topbar-title {
    flex: 1;
    font-size: var(--font-size-lg);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.topbar-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.content {
    padding: 16px;
    max-width: 1200px;
    margin: 0 auto;
}

/* =============================================
   Buttons
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: var(--font-size-sm);
    min-height: 44px;
    transition: all var(--transition);
    white-space: nowrap;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

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

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

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

.btn-danger {
    background: var(--color-danger);
    color: var(--color-text-inverse);
}

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

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}

.btn-ghost:hover {
    background: var(--color-surface);
    color: var(--color-text);
}

.btn-sm {
    padding: 6px 12px;
    font-size: var(--font-size-xs);
    min-height: 32px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: var(--font-size-base);
    min-height: 52px;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius);
}

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

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color var(--transition), box-shadow var(--transition);
    min-height: 44px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23757575' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: 4px;
}

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

.form-row {
    display: grid;
    gap: 12px;
    grid-template-columns: 1fr 1fr;
}

.form-inline {
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

/* Checkboxes / Tags */
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.checkbox-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border: 1px solid var(--aspecto-color, var(--color-border));
    border-radius: 20px;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition);
    user-select: none;
    color: var(--aspecto-color, inherit);
}

.checkbox-tag:hover {
    border-color: var(--aspecto-color, var(--color-primary));
    background: color-mix(in srgb, var(--aspecto-color, var(--color-primary)) 8%, transparent);
}

.checkbox-tag input[type="checkbox"] {
    display: none;
}

.checkbox-tag.selected {
    background: color-mix(in srgb, var(--aspecto-color, var(--color-primary)) 12%, transparent);
    border-color: var(--aspecto-color, var(--color-primary));
    color: var(--aspecto-color, var(--color-primary));
}

/* AI-detected tag animation */
.checkbox-tag.ai-detected {
    animation: aiPulse 0.4s ease-out;
}

@keyframes aiPulse {
    0% { transform: scale(0.85); opacity: 0.5; }
    50% { transform: scale(1.08); }
    100% { transform: scale(1); opacity: 1; }
}

/* AI analysis status */
.aspectos-ai-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.spinner-sm {
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    flex-shrink: 0;
}

/* =============================================
   Cards
   ============================================= */
.card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
    transition: box-shadow var(--transition);
}

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

.card-img,
.material-media-card {
    width: 100%;
    height: 160px;
    object-fit: cover;
    background: var(--color-surface);
}

.material-media {
    display: block;
    overflow: hidden;
}

.material-media.is-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    text-align: center;
    color: var(--color-text-secondary);
    background: linear-gradient(180deg, var(--color-surface) 0%, #eef2f5 100%);
}

.material-media.is-placeholder svg {
    width: 32px;
    height: 32px;
    opacity: 0.85;
}

.material-media-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.material-media-detail {
    width: 100%;
    max-width: 560px;
    aspect-ratio: 16 / 10;
    border-radius: var(--radius-lg);
    background: var(--color-surface);
}

.material-media-detail img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

.material-media-thumb,
.table-img,
.sug-img {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    flex-shrink: 0;
}

.material-media-selection,
.salida-selected-media {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius);
    background: var(--color-surface);
    flex-shrink: 0;
}

.material-media-thumb.is-placeholder,
.material-media-selection.is-placeholder {
    padding: 0;
}

.material-media-thumb.is-placeholder svg {
    width: 18px;
    height: 18px;
}

.material-media-selection.is-placeholder svg {
    width: 24px;
    height: 24px;
}

.material-media-selection.is-placeholder,
.material-media-thumb.is-placeholder,
.sug-img.is-placeholder,
.table-img.is-placeholder {
    gap: 0;
}

.card-body {
    padding: 14px;
}

.card-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-subtitle {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.card-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* =============================================
   Tags / Badges
   ============================================= */
.tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.tag-aspecto {
    background: var(--color-surface);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.tag-forma {
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
}

.tag-forma-banda {
    background: #F3E5F5;
    color: var(--color-banda);
}

.tag-forma-L {
    background: #E0F7FA;
    color: var(--color-l-shape);
}

.tag-forma-tabla_completa {
    background: #E8F5E9;
    color: var(--color-tabla);
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    background: var(--color-danger);
    color: var(--color-text-inverse);
}

/* =============================================
   Material Grid
   ============================================= */
.material-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.bulk-actions {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    padding: 2px 0 12px;
    margin-bottom: 8px;
    background: transparent;
}

.bulk-actions-count {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 4px 10px;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius);
    background: var(--color-bg);
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.bulk-actions-buttons {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 6px;
}

.bulk-actions .btn-sm {
    min-height: 30px;
    padding: 5px 9px;
    gap: 6px;
}

.bulk-actions .btn.active {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.material-card {
    position: relative;
}

.material-card.selected {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-primary-light);
}

.material-select-control {
    position: absolute;
    top: 8px;
    left: 8px;
    z-index: 3;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.material-select-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.material-select-box {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-bg);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.9);
    color: transparent;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.material-select-control:hover .material-select-box,
.material-select-input:focus-visible + .material-select-box {
    border-color: var(--color-primary);
}

.material-select-input:checked + .material-select-box {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.bulk-edit-fields {
    display: grid;
    gap: 12px;
}

.bulk-edit-field {
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border-light);
}

.bulk-edit-field:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

.bulk-edit-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
}

.bulk-edit-toggle input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

.bulk-edit-control.is-disabled {
    opacity: 0.5;
    pointer-events: none;
}

@media (max-width: 640px) {
    .bulk-actions {
        align-items: center;
        flex-wrap: wrap;
    }

    .bulk-actions-buttons {
        justify-content: flex-start;
    }
}

/* =============================================
   Search
   ============================================= */
.search-bar {
    position: relative;
    margin-bottom: 16px;
}

.search-bar svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
}

.search-bar input {
    width: 100%;
    padding: 12px 14px 12px 44px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    background: var(--color-bg);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.search-bar input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.filter-bar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
    align-items: center;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition);
    background: var(--color-bg);
    user-select: none;
}

.filter-chip:hover {
    border-color: var(--aspecto-color, var(--color-primary));
}

.filter-chip.active {
    background: var(--aspecto-color, var(--color-primary));
    border-color: var(--aspecto-color, var(--color-primary));
    color: var(--color-text-inverse);
}

.materials-toolbar-block {
    margin-bottom: 16px;
}

.materials-search {
    margin-bottom: 10px;
}

.materials-toolbar {
    position: relative;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.materials-results-count {
    min-height: 32px;
    display: inline-flex;
    align-items: center;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.materials-toolbar-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 8px;
}

.materials-menu {
    position: relative;
}

.materials-menu summary {
    list-style: none;
}

.materials-menu summary::-webkit-details-marker {
    display: none;
}

.materials-menu-trigger {
    min-width: 0;
    padding-inline: 10px;
}

.materials-sort-current {
    max-width: 112px;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--color-text-secondary);
}

.materials-sort-current::before {
    content: "/";
    margin-right: 6px;
    color: var(--color-text-muted);
}

.materials-menu[open] .materials-menu-trigger {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.materials-menu-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 9px;
    background: var(--color-primary);
    color: var(--color-text-inverse);
    font-size: 11px;
    font-weight: 700;
}

.materials-menu-panel {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 30;
    width: min(330px, calc(100vw - 32px));
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-bg);
    box-shadow: var(--shadow-lg);
}

.materials-filter-panel {
    display: grid;
    gap: 12px;
}

.materials-sort-panel,
.materials-export-panel {
    display: grid;
    gap: 10px;
    width: min(260px, calc(100vw - 32px));
}

.materials-export-panel .btn {
    justify-content: flex-start;
    width: 100%;
}

.materials-field {
    display: grid;
    gap: 6px;
}

.materials-field > span {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-secondary);
}

.materials-field .filter-bar {
    margin-bottom: 0;
    max-height: 148px;
    overflow-y: auto;
    padding: 1px 2px 2px 1px;
}

.materials-clear-filters {
    justify-self: start;
    min-height: 30px;
    padding-inline: 0;
}

@media (max-width: 640px) {
    .panel-controls {
        align-items: center;
        flex-direction: row;
        gap: 6px;
    }

    .panel-controls .materials-results-count {
        flex: 1 1 auto;
        min-width: 0;
        font-size: 0.8125rem;
        white-space: nowrap;
    }

    .panel-controls .materials-toolbar-actions {
        display: flex;
        flex: 0 0 auto;
        width: auto;
        gap: 6px;
    }

    .panel-material-card {
        grid-template-columns: 1fr;
    }

    .panel-retirar-btn {
        width: 100%;
    }

    .materials-toolbar {
        align-items: stretch;
        flex-direction: column;
        gap: 8px;
    }

    .materials-results-count {
        min-height: 24px;
    }

    .materials-toolbar-actions {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 6px;
        width: 100%;
    }

    .materials-menu-trigger {
        width: 100%;
        padding-inline: 8px;
    }

    .materials-sort-current {
        display: none;
    }

    .materials-menu[open] {
        grid-column: 1 / -1;
    }

    .materials-menu-panel,
    .materials-sort-panel,
    .materials-export-panel {
        position: static;
        width: 100%;
        margin-top: 8px;
    }
}

/* =============================================
   Table
   ============================================= */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.table th,
.table td {
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
    white-space: nowrap;
}

.table th {
    background: var(--color-surface);
    font-weight: 600;
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: sticky;
    top: 0;
}

.table tr:hover td {
    background: var(--color-surface);
}

/* =============================================
   Entrada masiva
   ============================================= */
.bulk-entry-page {
    display: grid;
    gap: 12px;
}

.bulk-entry-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.bulk-entry-summary {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.bulk-entry-summary span {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 4px 10px;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius);
    background: var(--color-bg);
    white-space: nowrap;
}

.bulk-entry-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 6px;
}

.bulk-entry-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.bulk-entry-flip-note {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 12px;
    padding: 9px 12px;
    border: 1px solid color-mix(in srgb, var(--color-primary) 28%, var(--color-border));
    border-radius: var(--radius);
    background: color-mix(in srgb, var(--color-primary) 8%, var(--color-bg));
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.bulk-entry-flip-note strong {
    color: var(--color-text);
}

.bulk-entry-flip-note b {
    color: var(--color-primary);
}

.bulk-entry-guide {
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius);
    background: var(--color-bg);
}

.bulk-entry-guide summary {
    min-height: 36px;
    padding: 8px 12px;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    user-select: none;
}

.bulk-entry-guide-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    padding: 0 12px 12px;
}

.bulk-entry-guide-card {
    display: grid;
    gap: 8px;
    min-width: 0;
    padding: 10px;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius);
    background: var(--color-surface);
}

.bulk-entry-guide-card h4 {
    margin: 0;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-weight: 700;
}

.bulk-entry-guide-diagram {
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius);
    background: var(--color-bg);
}

.bulk-entry-guide-diagram svg {
    display: block;
    width: 100%;
    height: auto;
}

.bulk-entry-guide-diagram .shape-fill {
    fill: #d8f4f7;
    stroke: #078a9b;
    stroke-width: 2;
}

.bulk-entry-guide-diagram .inner-dash {
    stroke: #9ac7ce;
    stroke-width: 1.4;
    stroke-dasharray: 5 4;
}

.bulk-entry-guide-diagram .dim-line,
.bulk-entry-guide-diagram .dim-tick {
    stroke: #9b9b9b;
    stroke-width: 1.4;
    stroke-linecap: round;
}

.bulk-entry-guide-diagram .dim-line.blue,
.bulk-entry-guide-diagram .dim-tick.blue {
    stroke: #2f80d1;
}

.bulk-entry-guide-diagram .dim-line.teal,
.bulk-entry-guide-diagram .dim-tick.teal {
    stroke: #078a9b;
}

.bulk-entry-guide-diagram .shape-text {
    fill: #7fbeca;
    font-size: 13px;
    font-weight: 600;
    text-anchor: middle;
}

.bulk-entry-guide-diagram .guide-mm {
    fill: var(--color-text-muted);
    font-size: 11px;
}

.guide-label {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    border: 1px solid var(--color-border);
    border-radius: 7px;
    background: var(--color-bg);
    box-shadow: var(--shadow-sm);
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 700;
}

.bulk-entry-guide-copy {
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    line-height: 1.35;
}

.bulk-entry-guide-copy strong {
    color: var(--color-text);
}

.bulk-entry-guide-item {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    align-items: center;
    gap: 10px;
    min-width: 0;
    padding: 8px;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius);
    background: var(--color-surface);
}

.bulk-entry-guide-item-wide {
    grid-column: 1 / -1;
    grid-template-columns: 132px minmax(0, 1fr);
}

.bulk-entry-guide-item strong,
.bulk-entry-guide-item span {
    display: block;
    min-width: 0;
}

.bulk-entry-guide-item strong {
    margin-bottom: 2px;
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

.bulk-entry-guide-item span {
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    line-height: 1.35;
}

.bulk-entry-guide-shape {
    width: 92px;
    height: 70px;
    border-radius: var(--radius-sm);
    background: var(--color-bg);
}

.bulk-entry-guide-flip {
    width: 132px;
}

.bulk-entry-guide-shape svg {
    display: block;
    width: 100%;
    height: 100%;
}

.bulk-entry-guide-shape rect,
.bulk-entry-guide-shape path {
    fill: color-mix(in srgb, var(--color-primary) 12%, var(--color-bg));
    stroke: var(--color-primary);
    stroke-width: 2;
}

.bulk-entry-guide-shape line {
    stroke: var(--color-text-muted);
    stroke-width: 1.5;
    stroke-linecap: round;
}

.bulk-entry-guide-shape text {
    fill: var(--color-text-secondary);
    font-size: 9px;
    font-weight: 700;
    text-anchor: middle;
}

.bulk-entry-errors {
    max-height: 150px;
    overflow: auto;
    padding: 10px 12px;
    border: 1px solid color-mix(in srgb, var(--color-danger) 35%, var(--color-border));
    border-radius: var(--radius);
    background: color-mix(in srgb, var(--color-danger) 8%, var(--color-bg));
    color: var(--color-danger);
    font-size: var(--font-size-sm);
}

.bulk-entry-errors ul {
    margin-left: 18px;
}

.bulk-entry-grid-wrap {
    width: 100%;
    max-height: calc(100vh - 250px);
    min-height: 420px;
    overflow: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-bg);
}

.bulk-entry-grid {
    width: max-content;
    min-width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: var(--font-size-sm);
}

.bulk-entry-grid th,
.bulk-entry-grid td {
    border-right: 1px solid var(--color-border-light);
    border-bottom: 1px solid var(--color-border-light);
}

.bulk-entry-grid th {
    position: sticky;
    top: 0;
    z-index: 2;
    height: 34px;
    padding: 7px 8px;
    background: var(--color-surface);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-align: left;
    white-space: nowrap;
}

.bulk-entry-row-head {
    position: sticky;
    left: 0;
    z-index: 3;
    width: 42px;
    min-width: 42px;
    max-width: 42px;
    text-align: center !important;
}

.bulk-entry-grid tbody .bulk-entry-row-head {
    top: auto;
    background: var(--color-surface);
    color: var(--color-text-muted);
    font-weight: 600;
}

.bulk-entry-grid td {
    height: 34px;
    padding: 0;
    background: var(--color-bg);
}

.bulk-entry-grid td.has-error {
    background: color-mix(in srgb, var(--color-danger) 8%, var(--color-bg));
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--color-danger) 65%, transparent);
}

.bulk-entry-grid td.is-selected {
    background: color-mix(in srgb, var(--color-primary) 10%, var(--color-bg));
}

.bulk-entry-grid td.is-active-cell {
    box-shadow: inset 0 0 0 2px var(--color-primary);
}

.bulk-entry-grid td.is-selection-end {
    position: relative;
}

.bulk-entry-grid td.is-fill-target {
    background: color-mix(in srgb, var(--color-primary) 16%, var(--color-bg));
}

.bulk-entry-fill-handle {
    position: absolute;
    right: -4px;
    bottom: -4px;
    z-index: 4;
    width: 8px;
    height: 8px;
    border: 1px solid var(--color-bg);
    background: var(--color-primary);
    cursor: crosshair;
}

.bulk-entry-row-drag {
    cursor: grab;
    user-select: none;
}

.bulk-entry-row-drag:active {
    cursor: grabbing;
}

.bulk-entry-cell {
    display: block;
    width: 100%;
    height: 34px;
    min-height: 34px;
    padding: 6px 8px;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    outline: none;
}

.bulk-entry-select {
    appearance: none;
    padding-right: 24px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%23757575' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
}

.bulk-entry-file-control {
    display: flex;
    align-items: center;
    width: 100%;
    height: 34px;
    min-height: 34px;
    padding: 6px 8px;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    cursor: pointer;
}

.bulk-entry-file-control:hover {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.bulk-entry-file-control span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.bulk-entry-file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.bulk-entry-file-control:focus-within {
    box-shadow: inset 0 0 0 2px var(--color-primary);
    background: var(--color-bg);
}

.bulk-entry-cell:focus {
    position: relative;
    z-index: 1;
    box-shadow: inset 0 0 0 2px var(--color-primary);
    background: var(--color-bg);
}

@media (max-width: 640px) {
    .bulk-entry-toolbar {
        align-items: stretch;
        flex-direction: column;
    }

    .bulk-entry-actions {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        width: 100%;
    }

    .bulk-entry-actions .btn {
        width: 100%;
    }

    .bulk-entry-grid-wrap {
        max-height: calc(100vh - 310px);
    }

    .bulk-entry-guide-grid {
        grid-template-columns: 1fr;
    }
}

/* =============================================
   Modal
   ============================================= */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

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

.modal {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border-light);
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    color: var(--color-text-secondary);
    transition: background var(--transition);
}

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

.modal-body {
    padding: 20px;
}

.modal-footer {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    padding: 12px 20px;
    border-top: 1px solid var(--color-border-light);
}

/* =============================================
   Toast
   ============================================= */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    border-radius: var(--radius);
    background: var(--color-text);
    color: var(--color-text-inverse);
    font-size: var(--font-size-sm);
    box-shadow: var(--shadow-lg);
    animation: slideInRight var(--transition-slow);
    max-width: 360px;
}

.toast-success {
    background: var(--color-success);
}

.toast-error {
    background: var(--color-danger);
}

.toast-warning {
    background: var(--color-warning);
}

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

/* =============================================
   Loading / Spinner
   ============================================= */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--color-text-muted);
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 12px;
}

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

/* =============================================
   Empty State
   ============================================= */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-muted);
}

.empty-state svg {
    margin-bottom: 16px;
    opacity: 0.3;
}

.empty-state h3 {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: var(--font-size-sm);
    margin-bottom: 20px;
}

/* =============================================
   Stats / Dashboard Cards
   ============================================= */
.panel-workspace {
    display: grid;
    gap: 16px;
}

.panel-primary-action {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 4px;
}

.panel-entry-btn {
    flex: 0 0 auto;
}

.panel-entry-hint {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.panel-tools {
    display: grid;
    gap: 10px;
}

.panel-search {
    margin-bottom: 0;
}

.panel-controls {
    position: relative;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: nowrap;
}

.panel-controls .materials-results-count {
    white-space: nowrap;
}

.panel-controls .materials-toolbar-actions {
    flex-wrap: nowrap;
}

.panel-material-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.panel-material-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: stretch;
    gap: 8px;
    padding: 10px;
    border-radius: var(--radius);
}

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

.panel-card-main {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    cursor: pointer;
}

.panel-card-img {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: var(--radius);
    background: var(--color-surface);
    flex-shrink: 0;
}

.panel-card-img.is-placeholder {
    padding: 0;
}

.panel-card-img.is-placeholder svg {
    width: 22px;
    height: 22px;
}

.panel-card-info {
    min-width: 0;
}

.panel-card-info .card-subtitle {
    margin-bottom: 6px;
}

.panel-retirar-btn {
    align-self: center;
    min-width: 86px;
}

.panel-empty {
    grid-column: 1 / -1;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 16px;
}

.stat-card-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
}

.stat-card-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-top: 2px;
}

/* =============================================
   Quick Actions
   ============================================= */
.quick-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 24px;
}

.quick-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px;
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    color: var(--color-text);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: all var(--transition);
    min-height: 80px;
    cursor: pointer;
}

.quick-action:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: var(--shadow);
}

.quick-action svg {
    color: var(--color-primary);
}

/* =============================================
   Sortable (drag & drop)
   ============================================= */
.sortable-ghost {
    opacity: 0.4;
}

.sortable-chosen {
    box-shadow: var(--shadow-lg);
}

.drag-handle {
    cursor: grab;
    color: var(--color-text-muted);
    padding: 4px;
}

.drag-handle:active {
    cursor: grabbing;
}

/* =============================================
   Image upload
   ============================================= */
.image-upload {
    position: relative;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--color-surface);
}

.image-upload:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.image-upload.has-image {
    padding: 0;
    border-style: solid;
}

.image-upload img {
    width: 100%;
    max-height: 300px;
    object-fit: contain;
    border-radius: var(--radius-lg);
}

.image-upload input[type="file"] {
    display: none;
}

.image-upload-text {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.image-upload-text svg {
    display: block;
    margin: 0 auto 8px;
}

/* =============================================
   Section headers
   ============================================= */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.section-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

/* =============================================
   Login page
   ============================================= */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: var(--color-surface);
}

.login-box {
    width: 100%;
    max-width: 400px;
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    padding: 32px 24px;
    box-shadow: var(--shadow-md);
}

.login-logo {
    text-align: center;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 32px;
}

/* =============================================
   Shape Editor - Interactive dimension inputs
   ============================================= */
.shape-editor {
    margin-bottom: 16px;
}

.shape-editor-canvas {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    max-width: 400px;
    margin: 0 auto;
    /* aspect-ratio is set inline per shape */
}

.shape-svg {
    display: block;
    width: 100%;
    height: 100%;
}

/* Inputs positioned over the SVG using viewBox-aligned percentages */
.shape-input {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 2px;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.shape-dim-input {
    width: 72px;
    padding: 5px 4px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-align: center;
    background: var(--color-bg);
    color: var(--color-text);
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
    -moz-appearance: textfield;
    min-height: 30px;
}

.shape-editor-readonly {
    margin-bottom: 0;
}

.shape-editor-readonly .shape-editor-canvas {
    max-width: 420px;
    margin: 6px 0 0;
    background: var(--color-bg);
}

.shape-editor-readonly .shape-input {
    pointer-events: none;
}

.shape-dim-value {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    min-width: 72px;
    min-height: 30px;
    padding: 5px 7px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text);
    box-shadow: var(--shadow-sm);
    font-size: var(--font-size-sm);
    font-weight: 700;
    line-height: 1.1;
    white-space: nowrap;
}

.shape-dim-number {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}

.shape-dim-value.shape-dim-blue {
    border-color: #BBDEFB;
    background: #F5FAFF;
    color: #1976D2;
}

.shape-dim-value.shape-dim-teal {
    border-color: #B2EBF2;
    background: #F2FDFF;
    color: #00838F;
}

.shape-editor-readonly .shape-dim-unit {
    color: currentColor;
    opacity: 0.68;
}

.shape-dim-input::-webkit-outer-spin-button,
.shape-dim-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.shape-dim-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.shape-dim-input.shape-dim-blue:focus {
    border-color: #1976D2;
    box-shadow: 0 0 0 3px #E3F2FD;
}

.shape-dim-input.shape-dim-teal:focus {
    border-color: #00838F;
    box-shadow: 0 0 0 3px #E0F7FA;
}

.shape-dim-unit {
    font-size: 11px;
    color: var(--color-text-muted);
    font-weight: 500;
    white-space: nowrap;
}

.shape-flip-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin: 8px auto 0;
    padding: 6px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: border-color var(--transition), color var(--transition);
}

.shape-flip-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

@media (max-width: 380px) {
    .shape-dim-input {
        width: 58px;
        font-size: var(--font-size-xs);
        padding: 4px 2px;
    }

    .shape-dim-value {
        min-width: 58px;
        font-size: var(--font-size-xs);
        padding: 4px 5px;
    }
}

/* =============================================
   Pagination
   ============================================= */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 16px 0;
}

.pagination button {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition);
    border: 1px solid transparent;
}

.pagination button:hover {
    background: var(--color-surface);
}

.pagination button.active {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.pagination button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* =============================================
   Responsive - Tablet
   ============================================= */
@media (min-width: 768px) {
    .sidebar {
        transform: translateX(0);
    }

    .sidebar-close {
        display: none;
    }

    .sidebar-overlay {
        display: none !important;
    }

    .main {
        margin-left: var(--sidebar-width);
    }

    .topbar-menu {
        display: none;
    }

    .content {
        padding: 24px;
    }

    .material-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .panel-material-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .quick-actions {
        grid-template-columns: repeat(4, 1fr);
    }

    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

/* =============================================
   Responsive - Desktop
   ============================================= */
@media (min-width: 1024px) {
    .material-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .content {
        padding: 32px;
    }
}

@media (min-width: 1280px) {
    .material-grid {
        grid-template-columns: repeat(4, 1fr);
    }

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

/* =============================================
   Utility classes
   ============================================= */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--color-text-muted);
}

.text-danger {
    color: var(--color-danger);
}

.text-success {
    color: var(--color-success);
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }

.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-1 { flex: 1; }