/* Inventory Management System
   Based on modern dashboard design system */

:root {
    /* Core colors from user's design system */
    --accent-color: #1655e2;
    --accent-hover: #1348c4;
    --text-light: #000865;
    --text-dark: #ffffff;
    --bg-light: #ffffff;
    --bg-light-second: #efefef;
    --bg-dark: #1b1f23;
    --bg-card-light: #f2f3f8;
    --bg-card-dark: #23282c;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;

    /* Shadows */
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --card-shadow-hover: 0 15px 35px rgba(0, 0, 0, 0.12);

    /* Border Radius */
    --border-radius-sm: 0.25rem;
    --border-radius: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;

    /* Theme-based variables */
    --text-color: var(--text-light);
    --bg-color: var(--bg-light-second);
    --bg-card: var(--bg-card-light);
    --border-color: #e0e0e0;
    --text-secondary: #5a5a5a;
    --text-muted: #8a8a8a;
    --bg-hover: #f4f4f4;
    --bg-active: #eaeaea;
}

@media (prefers-color-scheme: dark) {
    :root {
        --text-color: var(--text-dark);
        --bg-color: var(--bg-dark);
        --bg-card: var(--bg-card-dark);
        --border-color: #333333;
        --text-secondary: #878787;
        --text-muted: #6c6c6c;
        --bg-hover: #252525;
        --bg-active: #2c2c2c;
    }
}

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

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    font-size: 0.875rem;
}

.inventory-dashboard {
    max-width: 1300px;
    margin: 0 auto;
    padding: 2rem;
}

/* Notifications */
.notification {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1000;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: opacity 0.3s ease;
    max-width: 400px;
    width: 100%;
}

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

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

.close-notification {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    margin-left: 1rem;
}

/* Dashboard Header */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.dashboard-header h1 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-color);
}

.actions {
    display: flex;
    gap: 0.75rem;
}

/* Dashboard Stats */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    box-shadow: var(--card-shadow);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.stat-card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-3px);
}

.stat-card.accent {
    border-left: 4px solid var(--accent-color);
}

.stat-card.success {
    border-left: 4px solid var(--success-color);
}

.stat-card.warning {
    border-left: 4px solid var(--warning-color);
}

.stat-card.danger {
    border-left: 4px solid var(--danger-color);
}

.stat-card.info {
    border-left: 4px solid var(--info-color);
}

.stat-icon {
    width: 3rem;
    height: 3rem;
    background-color: rgba(21, 85, 226, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
}

.stat-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--accent-color);
}

.stat-card.success .stat-icon {
    background-color: rgba(16, 185, 129, 0.1);
}

.stat-card.success .stat-icon svg {
    color: var(--success-color);
}

.stat-card.warning .stat-icon {
    background-color: rgba(245, 158, 11, 0.1);
}

.stat-card.warning .stat-icon svg {
    color: var(--warning-color);
}

.stat-card.info .stat-icon {
    background-color: rgba(59, 130, 246, 0.1);
}

.stat-card.info .stat-icon svg {
    color: var(--info-color);
}

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

.stat-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
}

/* Search */
.search-container {
    position: relative;
    margin-bottom: 2rem;
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.25rem;
    height: 1.25rem;
    color: var(--text-secondary);
}

#searchInput {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-color);
    font-size: 0.95rem;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
}

#searchInput:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(21, 85, 226, 0.1);
}

#searchInput::placeholder {
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.btn-with-icon {
    gap: 0.5rem;
}

.btn-with-icon svg {
    width: 1.125rem;
    height: 1.125rem;
}

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

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

.btn-primary {
    background-color: var(--bg-card);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

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

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

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

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: var(--border-radius-sm);
    background-color: transparent;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.icon-btn svg {
    width: 1.125rem;
    height: 1.125rem;
}

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

.success-icon svg {
    color: var(--success-color);
}

.warning-icon svg {
    color: var(--warning-color);
}

.danger-icon svg {
    color: var(--danger-color);
}

.info-icon svg {
    color: var(--info-color);
}

/* Product Form */
.product-form-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.product-form-container.active {
    opacity: 1;
    pointer-events: auto;
}

.form-card {
    background-color: var(--bg-card);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 700px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
}

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

.form-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
}

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

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    padding: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-group input[type="text"] {
    padding: 0.75rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-color);
    font-size: 0.95rem;
}

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

.form-actions {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Tabs */
.tabs-container {
    background-color: var(--bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-card);
}

.tab-btn {
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

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

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

.tab-content {
    display: none;
    padding: 1.5rem;
}

.tab-content.active {
    display: block;
}

.tab-info {
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
}

.tab-info.warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.tab-info.info {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: var(--border-radius);
    margin-top: 1rem;
    margin-bottom: 1rem;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-card);
    position: sticky;
    top: 0;
    z-index: 1;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

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

table tbody tr {
    transition: background-color 0.2s ease;
}

table tbody tr:hover {
    background-color: var(--bg-hover);
}

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

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background-color: var(--bg-card);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 500px;
    box-shadow: var(--card-shadow);
    z-index: 1;
    overflow: hidden;
}

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

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
}

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

.modal-body {
    padding: 1.5rem;
}

.modal-body p {
    color: var(--text-secondary);
}

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

/* Empty States */
tbody:empty:after {
    content: "Geen producten gevonden";
    display: block;
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
}

/* Spinner Animation */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.spinner {
    display: inline-block;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
    .inventory-dashboard {
        padding: 1rem;
    }

    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .actions {
        width: 100%;
    }

    .dashboard-stats {
        grid-template-columns: 1fr;
    }

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

    .tabs {
        flex-direction: column;
    }

    .notification {
        right: 1rem;
        left: 1rem;
        width: calc(100% - 2rem);
        max-width: none;
    }
}