/* ============================================================
   SHARED DESIGN SYSTEM - ScanEasy
   Single source of truth for reusable patterns.
   All values reference CSS variables from app.css :root.
   ============================================================ */

/* ===== PAGE LAYOUT ===== */
.settings-container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: var(--space-xl);
}

.settings-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

/* ===== SECTIONS / CARDS ===== */
.settings-section {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-light);
    border-top-left-radius: var(--radius-xl);
    border-top-right-radius: var(--radius-xl);
}

.section-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text);
}

.section-header .bi {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
}

.section-content {
    padding: var(--space-xl);
}

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

/* Base button reset */
.btn-primary,
.btn-secondary,
.btn-danger,
.btn-create,
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 8px 24px;
    height: 40px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    text-decoration: none;
    box-sizing: border-box;
    font-family: inherit;
}

/* Primary button */
.btn-primary,
.btn-create {
    background: var(--color-primary);
    color: white;
}

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

.btn-primary:disabled,
.btn-create:disabled {
    background: #a8c7f0;
    cursor: not-allowed;
    box-shadow: none;
}

/* Secondary button */
.btn-secondary {
    background: var(--color-bg-hover);
    color: var(--color-text-secondary);
    border: none;
}

.btn-secondary:hover {
    background: #e8eaed;
}

/* Outline button */
.btn-outline {
    background: var(--color-bg);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

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

/* Danger button */
.btn-danger {
    background: var(--color-danger-btn);
    color: white;
}

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

/* Complete / success button */
.btn-complete {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 8px 16px;
    height: 40px;
    background: var(--color-success);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.btn-complete:hover {
    background: #0d652d;
    box-shadow: var(--shadow-sm);
}

/* Small button variant */
.btn-sm {
    padding: 4px 12px;
    height: 32px;
    font-size: 0.8rem;
}

/* Table icon buttons */
.table-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
}

.btn-icon {
    width: 32px;
    height: 32px;
    padding: 6px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.btn-icon.delete:hover {
    color: var(--color-danger-btn);
    background: var(--color-danger-bg);
    border-color: var(--color-danger-btn);
}

/* ===== ALERTS ===== */
.alert {
    margin-bottom: var(--space-xl);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.alert-danger {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border: 1px solid var(--color-danger-border);
}

.alert-success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

.alert-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border: 1px solid var(--color-warning-border);
}

.alert-info {
    background: var(--color-primary-light);
    color: var(--color-primary);
    border: 1px solid var(--color-primary-border);
}

.alert .btn-close {
    margin-left: auto;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    color: inherit;
}

.alert .btn-close:hover {
    background: rgba(0, 0, 0, 0.1);
}

/* ===== SEARCH & FILTER CONTROLS ===== */
.controls-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.search-section {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
    width: 100%;
}

.search-container {
    flex: 2;
    position: relative;
    min-width: 200px;
}

.search-icon {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 8px 12px 8px 36px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-family: inherit;
    height: 40px;
    box-sizing: border-box;
    transition: all 0.2s;
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--focus-ring);
}

.filter-select {
    flex: 1 1 130px;
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-family: inherit;
    background: var(--color-bg);
    min-width: 130px;
    height: 40px;
    box-sizing: border-box;
    transition: all 0.2s;
}

.filter-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--focus-ring);
}

.filter-options {
    display: flex;
    gap: var(--space-lg);
    flex: 3;
    align-items: center;
}

.page-size-select {
    flex: 0 0 auto;
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-family: inherit;
    background: var(--color-bg);
    min-width: 110px;
    max-width: 140px;
    height: 40px;
    box-sizing: border-box;
    transition: all 0.2s;
}

.page-size-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--focus-ring);
}

/* ===== FORM CONTROLS ===== */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
}

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

.form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-family: inherit;
    transition: all 0.2s;
    box-sizing: border-box;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--focus-ring);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

/* ===== STAT CARDS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-sm);
}

.stat-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.stat-card:hover {
    background: var(--color-bg-light);
    border-color: var(--color-text-secondary);
}

.stat-card.active {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
}

.stat-icon {
    font-size: 1.5rem;
    color: var(--color-primary);
}

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

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

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

/* ===== PAGINATION ===== */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    gap: var(--space-lg);
}

.pagination-info {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    white-space: nowrap;
}

.pagination {
    display: flex;
    gap: 4px;
    align-items: center;
    flex-wrap: wrap;
}

.pagination-button {
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pagination-button:hover {
    background: var(--color-bg-light);
    border-color: var(--color-text-secondary);
}

.pagination-button.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.pagination-button:disabled,
.pagination-button.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== LOADING / SPINNER ===== */
@keyframes spin {
    100% { transform: rotate(360deg); }
}

.spinning {
    animation: spin 1s linear infinite;
}

.loading-spinner {
    text-align: center;
    padding: 48px;
    color: var(--color-text-secondary);
}

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: 48px var(--space-xl);
    color: var(--color-text-secondary);
}

.empty-state .bi {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

.empty-state p {
    margin: 0;
    font-size: 1rem;
}

/* ===== STATUS BADGES ===== */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* ===== TABLES ===== */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    font-weight: 500;
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-light);
}

.data-table td {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border-light);
    font-size: 0.9rem;
    color: var(--color-text);
}

.data-table tr:hover td {
    background: var(--color-bg-light);
}

/* ============================================================
   MOBILE RESPONSIVE OVERRIDES
   ============================================================ */
@media (max-width: 768px) {
    /* Edge-to-edge mobile design */
    .settings-container {
        padding: 0 !important;
        padding-bottom: 80px !important; /* Clear bottom nav bar */
        max-width: 100% !important;
    }

    .settings-content {
        gap: 0;
    }

    .settings-section {
        border-radius: 0 !important;
        border: none !important;
        box-shadow: none !important;
        background: white !important;
    }

    .section-header {
        padding: 12px 16px;
        border-radius: 0 !important;
        margin-bottom: 0 !important;
        background: white !important;
        border: none !important;
        border-bottom: 1px solid var(--color-border-light) !important;
    }

    .section-content {
        padding: 12px !important;
        background: white !important;
    }

    /* Controls */
    .controls-container {
        gap: 8px;
        margin-bottom: 12px;
    }

    .search-section {
        flex-direction: column;
        width: 100%;
        gap: 8px;
    }

    .search-container {
        width: 100%;
        max-width: 100% !important;
        min-width: 0;
        flex: unset;
    }

    .search-input {
        width: 100%;
        height: 44px;
        box-sizing: border-box;
        font-size: 16px; /* Prevents iOS zoom */
    }

    .filter-options {
        flex-direction: column;
        width: 100%;
        gap: 8px;
        flex: unset;
    }

    .filter-select {
        width: 100%;
        height: 44px;
        min-width: 0;
        flex: unset;
        font-size: 16px;
    }

    .page-size-select {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        height: 44px;
        font-size: 16px;
    }

    .btn-create {
        width: 100%;
        justify-content: center;
    }

    /* Date pickers */
    .date-range {
        flex-direction: column;
        width: 100%;
        gap: 8px;
    }

    .date-input {
        width: 100%;
    }

    .input-with-icon {
        width: 100%;
    }

    .input-with-icon input {
        width: 100%;
        height: 44px;
        box-sizing: border-box;
        font-size: 16px;
    }

    /* Tables */
    .user-table,
    .article-table,
    .data-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .user-table th,
    .user-table td,
    .article-table th,
    .article-table td {
        min-width: 120px;
        white-space: nowrap;
    }

    /* Form Layouts */
    .form-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

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

    /* Stat cards: 2-column on mobile */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .stat-card {
        padding: 12px;
        gap: 10px;
        border-radius: 10px;
    }

    .stat-icon {
        font-size: 1.2rem;
    }

    .stat-value {
        font-size: 1.2rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    /* Item Cards */
    .supplier-item,
    .warehouse-item,
    .group-item {
        flex-direction: column;
        padding: 12px;
    }

    .supplier-icon,
    .warehouse-icon,
    .group-icon {
        align-self: center;
    }

    .supplier-header,
    .warehouse-header,
    .group-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 12px;
    }

    .supplier-title,
    .warehouse-title,
    .group-title {
        flex-direction: column;
        align-items: center;
    }

    .supplier-details,
    .warehouse-details,
    .group-details {
        flex-direction: column;
        align-items: center;
        gap: 8px;
        text-align: center;
    }

    .action-buttons {
        width: 100%;
        justify-content: center;
        margin-top: 12px;
    }

    /* Modal */
    .modal-actions {
        flex-direction: column-reverse;
        gap: 8px;
    }

    .modal-actions button {
        width: 100%;
        justify-content: center;
    }

    /* Pagination */
    .pagination-container {
        flex-direction: column;
        align-items: center;
        gap: 8px;
        padding: 12px;
    }

    .pagination-info {
        font-size: 0.85rem;
    }

    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }

    .pagination-button {
        min-width: 2.25rem;
        height: 2.25rem;
        padding: 0 0.625rem;
        font-size: 0.85rem;
    }

    /* Component-specific */
    .roles-cell {
        flex-wrap: wrap;
        justify-content: center;
        min-width: 150px;
    }

    .description-cell {
        max-width: 200px;
    }

    .stock-info {
        flex-direction: column;
        align-items: center;
    }

    .inventory-tooltip {
        position: fixed;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        width: 90%;
        max-width: 300px;
        z-index: 1000;
    }

    /* Form improvements */
    .form-control {
        font-size: 16px; /* Prevents iOS zoom on focus */
        min-height: 44px;
    }

    .checkbox-group,
    .role-checkboxes {
        max-height: none;
    }

    /* Touch-friendly buttons */
    .btn-icon,
    .action-button {
        min-width: 44px;
        min-height: 44px;
        padding: 10px;
    }
}

/* Very small screens */
@media (max-width: 480px) {
    .settings-container {
        padding: 0 !important;
    }

    .section-header h3 {
        font-size: 1rem;
    }

    .supplier-name,
    .warehouse-name,
    .group-name {
        font-size: 1rem;
    }

    .pagination {
        gap: 3px;
    }

    .pagination-button {
        padding: 3px 6px;
        font-size: 0.75rem;
        min-height: 28px;
        min-width: 28px;
    }
}

/* Touch devices */
@media (hover: none) {
    .btn-icon,
    .action-button,
    .btn-create,
    .pagination-button {
        cursor: default;
    }

    .form-control:focus,
    .search-input:focus {
        font-size: 16px;
    }
}