/* Vorrat - Anthrazit Dark Mode Theme */

:root {
    --bg-primary: #2a2a2a;
    --bg-secondary: #363636;
    --bg-tertiary: #424242;
    --bg-hover: #4a4a4a;
    --text-primary: #e8e8e8;
    --text-secondary: #a8a8a8;
    --text-muted: #888888;
    --border-color: #4a4a4a;
    --accent: #6b9bd1;
    --accent-hover: #5a8ac0;
    --warning: #e8a83c;
    --warning-bg: rgba(232, 168, 60, 0.15);
    --danger: #d9534f;
    --danger-bg: rgba(217, 83, 79, 0.15);
    --success: #5cb85c;
    --success-bg: rgba(92, 184, 92, 0.15);
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.4);
    --radius: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

/* ==================== LAYOUT ==================== */

.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background: var(--bg-secondary);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 1.5rem;
}

.search-container {
    flex: 1;
    max-width: 400px;
}

.search-input {
    width: 100%;
    padding: 0.5rem 1rem;
    padding-left: 2.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent);
}

.search-wrapper {
    position: relative;
}

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.header-actions {
    display: flex;
    gap: 0.5rem;
}

main {
    display: flex;
    flex: 1;
}

.sidebar {
    width: 240px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sidebar-section h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.filter-list {
    list-style: none;
}

.filter-item {
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: background 0.2s;
}

.filter-item:hover {
    background: var(--bg-hover);
}

.filter-item.active {
    background: var(--accent);
    color: white;
}

.filter-item .count {
    margin-left: auto;
    font-size: 0.8rem;
    background: var(--bg-tertiary);
    padding: 0.125rem 0.5rem;
    border-radius: 10px;
}

.filter-item.active .count {
    background: rgba(255,255,255,0.2);
}

.content {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
}

/* ==================== BUTTONS ==================== */

.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

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

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

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

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

.btn-danger:hover {
    background: #c9433f;
}

.btn-icon {
    padding: 0.5rem;
    background: transparent;
    color: var(--text-secondary);
}

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

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
}

/* ==================== ALERTS/WARNINGS ==================== */

.alert-section {
    margin-bottom: 1.5rem;
}

.alert {
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.alert-warning {
    background: var(--warning-bg);
    border-left: 3px solid var(--warning);
}

.alert-danger {
    background: var(--danger-bg);
    border-left: 3px solid var(--danger);
}

.alert-icon {
    font-size: 1.25rem;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.alert-items {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ==================== INVENTORY GRID ==================== */

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

.section-title {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.inventory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1rem;
}

.inventory-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 1rem;
    display: flex;
    gap: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.inventory-card.expiring-soon {
    border-left: 3px solid var(--warning);
}

.inventory-card.expired {
    border-left: 3px solid var(--danger);
    opacity: 0.8;
}

.inventory-card.low-stock {
    border-left: 3px solid var(--accent);
}

.product-image {
    width: 80px;
    height: 80px;
    border-radius: var(--radius);
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-image .placeholder {
    font-size: 2rem;
    color: var(--text-muted);
}

.product-info {
    flex: 1;
    min-width: 0;
}

.product-name {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-brand {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.product-meta {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
    font-size: 0.85rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--text-secondary);
}

.meta-item.expiry-warning {
    color: var(--warning);
}

.meta-item.expiry-danger {
    color: var(--danger);
}

.product-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-end;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quantity-btn {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: var(--radius);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 600;
}

.quantity-btn:hover {
    background: var(--accent);
    color: white;
}

.quantity-value {
    font-weight: 600;
    min-width: 2rem;
    text-align: center;
}

.card-actions {
    display: flex;
    gap: 0.25rem;
}

/* ==================== MODALS ==================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
}

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

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

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

.modal-title {
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.5rem;
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* ==================== FORMS ==================== */

.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent);
}

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

.form-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ==================== BARCODE SCANNER ==================== */

.barcode-input-container {
    position: relative;
}

.barcode-status {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
}

.barcode-status .loading {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: translateY(-50%) rotate(360deg); }
}

.product-preview {
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    padding: 1rem;
    margin-top: 1rem;
    display: flex;
    gap: 1rem;
    align-items: center;
}

.product-preview-image {
    width: 60px;
    height: 60px;
    border-radius: var(--radius);
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-preview-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-preview-info h4 {
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.product-preview-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ==================== NUTRITION INFO ==================== */

.nutrition-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.nutrition-item {
    background: var(--bg-tertiary);
    padding: 0.5rem;
    border-radius: var(--radius);
    text-align: center;
}

.nutrition-value {
    font-weight: 600;
    font-size: 0.9rem;
}

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

.nutriscore {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
}

.nutriscore-a { background: #038141; color: white; }
.nutriscore-b { background: #85bb2f; color: white; }
.nutriscore-c { background: #fecb02; color: #333; }
.nutriscore-d { background: #ee8100; color: white; }
.nutriscore-e { background: #e63e11; color: white; }

/* ==================== ALLERGENS ==================== */

.allergen-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-top: 0.25rem;
}

.allergen-tag {
    background: var(--danger-bg);
    color: var(--danger);
    padding: 0.125rem 0.5rem;
    border-radius: 10px;
    font-size: 0.75rem;
}

/* ==================== CATEGORY BADGES ==================== */

.category-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.125rem 0.5rem;
    border-radius: 10px;
    font-size: 0.75rem;
    background: var(--bg-tertiary);
}

/* ==================== NOTES ==================== */

.notes-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 0.25rem;
}

/* ==================== EMPTY STATE ==================== */

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

/* ==================== LOGIN PAGE ==================== */

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1rem;
}

.login-box {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 2rem;
    width: 100%;
    max-width: 360px;
    box-shadow: var(--shadow-lg);
}

.login-logo {
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-logo .logo-icon {
    font-size: 3rem;
}

.login-logo h1 {
    font-size: 1.5rem;
    margin-top: 0.5rem;
}

.login-error {
    background: var(--danger-bg);
    color: var(--danger);
    padding: 0.75rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

/* ==================== SHOPPING LIST ==================== */

.shopping-list-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
}

.shopping-list-item .product-name {
    flex: 1;
}

.shopping-list-item .shortage {
    color: var(--danger);
    font-weight: 600;
}

/* ==================== HISTORY LOG ==================== */

.history-list {
    max-height: 400px;
    overflow-y: auto;
}

.history-item {
    display: flex;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.history-item:last-child {
    border-bottom: none;
}

.history-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.history-icon.added { background: var(--success-bg); color: var(--success); }
.history-icon.removed { background: var(--danger-bg); color: var(--danger); }
.history-icon.consumed { background: var(--warning-bg); color: var(--warning); }
.history-icon.updated { background: rgba(107, 155, 209, 0.15); color: var(--accent); }

.history-content {
    flex: 1;
}

.history-action {
    font-weight: 500;
}

.history-time {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ==================== CUSTOM BARCODE LABEL ==================== */

.barcode-label {
    background: white;
    color: black;
    padding: 1rem;
    text-align: center;
    border-radius: var(--radius);
}

.barcode-label svg {
    max-width: 100%;
}

.barcode-label .product-name {
    color: black;
    margin-top: 0.5rem;
}

/* ==================== RESPONSIVE ==================== */

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }

    header {
        flex-wrap: wrap;
    }

    .search-container {
        order: 3;
        max-width: 100%;
        width: 100%;
        margin-top: 0.5rem;
    }

    .inventory-grid {
        grid-template-columns: 1fr;
    }

    .inventory-card {
        flex-direction: column;
    }

    .product-image {
        width: 100%;
        height: 120px;
    }

    .product-actions {
        flex-direction: row;
        justify-content: space-between;
        width: 100%;
    }
}

/* ==================== LOADING ==================== */

.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--bg-tertiary);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ==================== TOAST NOTIFICATIONS ==================== */

.toast-container {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: var(--bg-secondary);
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: slideIn 0.3s ease;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.warning { border-left: 3px solid var(--warning); }

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

/* ==================== QUICK SCAN BAR ==================== */

.quick-scan-bar {
    display: flex;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    align-items: center;
}

.quick-scan-input-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.quick-scan-icon {
    position: absolute;
    left: 1rem;
    font-size: 1.25rem;
    z-index: 1;
}

.quick-scan-input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 3rem;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 1.1rem;
    transition: border-color 0.2s;
}

.quick-scan-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(107, 155, 209, 0.2);
}

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

.quick-scan-status {
    position: absolute;
    right: 1rem;
    font-size: 1.25rem;
}

.quick-scan-result,
.quick-scan-manual {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 1rem;
    margin-bottom: 1rem;
    border: 2px solid var(--accent);
}

.quick-scan-product {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1rem;
}

.quick-scan-product-image {
    width: 60px;
    height: 60px;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.quick-scan-product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.quick-scan-product-info h4 {
    margin: 0;
    font-size: 1.1rem;
}

.quick-scan-product-info p {
    margin: 0.25rem 0 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.quick-scan-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

.form-group-inline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group-inline label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    white-space: nowrap;
}

.form-input-sm {
    padding: 0.5rem 0.75rem;
    width: auto;
    min-width: 80px;
}

.quick-scan-manual-hint {
    color: var(--warning);
    margin-bottom: 1rem;
    font-weight: 500;
}

.quick-scan-manual-form {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

.quick-scan-manual-form .form-input,
.quick-scan-manual-form .form-select {
    flex: 1;
    min-width: 150px;
}

@media (max-width: 768px) {
    .quick-scan-bar {
        flex-direction: column;
    }

    .quick-scan-input-wrapper {
        width: 100%;
    }

    .quick-scan-actions,
    .quick-scan-manual-form {
        flex-direction: column;
        align-items: stretch;
    }

    .quick-scan-actions .btn,
    .quick-scan-manual-form .btn {
        width: 100%;
    }

    .form-group-inline {
        width: 100%;
        justify-content: space-between;
    }

    .form-group-inline .form-input-sm {
        flex: 1;
    }
}

/* ==================== ENTRY MODE TABS ==================== */

.entry-mode-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.entry-mode-tab {
    flex: 1;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.entry-mode-tab:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.entry-mode-tab.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

/* ==================== TABS ==================== */

.tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.tab {
    padding: 0.75rem 1rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}

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

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

/* ==================== MOBILE MENU ==================== */

.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 0.5rem;
    z-index: 100;
}

.mobile-nav-items {
    display: flex;
    justify-content: space-around;
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.75rem;
}

.mobile-nav-item.active {
    color: var(--accent);
}

.mobile-nav-item span {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

@media (max-width: 768px) {
    .mobile-nav {
        display: block;
    }

    .content {
        padding-bottom: 5rem;
    }
}