:root {
    --primary: #00B894;
    --primary-hover: #00a080;
    --secondary: #FDCB6E;
    --accent: #E17055;
    --accent-hover: #c46048;

    --bg-main: #1A2E1A;
    --bg-panel: #243D24;
    --bg-surface: #2D4C2D;

    --text-main: #F0F3F0;
    --text-muted: #A3B8A3;
    --border: #3A5A3A;

    --radius: 14px;
    --font-ui: 'Inter', system-ui, sans-serif;

    --status-good: #00B894;
    --status-warn: #FDCB6E;
    --status-alert: #E17055;
}

[data-theme="light"] {
    --bg-main: #F0F3F0;
    --bg-panel: #FFFFFF;
    --bg-surface: #E3EBE3;

    --text-main: #1A2E1A;
    --text-muted: #4A6A4A;
    --border: #D0DCD0;
}

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

body {
    font-family: var(--font-ui);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s, color 0.3s;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--primary);
}

.logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
}

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

button {
    font-family: var(--font-ui);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

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

.btn-primary {
    background-color: var(--primary);
    color: #fff;
    padding: 0.6rem 1.2rem;
}

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

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 0.6rem 1.2rem;
}

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

.btn-danger {
    background-color: var(--accent);
    color: #fff;
    padding: 0.6rem 1.2rem;
}

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

.w-full {
    width: 100%;
}

main {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.sidebar {
    width: 250px;
    background-color: var(--bg-panel);
    border-right: 1px solid var(--border);
    padding: 1.5rem 1rem;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    background: transparent;
    color: var(--text-muted);
    justify-content: flex-start;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
}

.nav-item:hover {
    color: var(--text-main);
    background-color: var(--bg-surface);
}

.nav-item.active {
    background-color: var(--primary);
    color: #fff;
}

.content-area {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

.view {
    display: none;
    animation: fadeIn 0.3s ease;
}

.view.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.search-box {
    display: flex;
    align-items: center;
    background-color: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    gap: 0.5rem;
    flex: 1;
    min-width: 200px;
}

.search-box input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-main);
    width: 100%;
    font-family: var(--font-ui);
}

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

.filter-group {
    display: flex;
    gap: 0.75rem;
}

select {
    background-color: var(--bg-panel);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 0.6rem;
    border-radius: 8px;
    font-family: var(--font-ui);
    outline: none;
}

/* Inventory Grid */
.inventory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.item-card {
    background-color: var(--bg-panel);
    border-radius: var(--radius);
    padding: 1.25rem;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.item-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.item-card.urgent {
    border-color: var(--accent);
    animation: pulseBorder 2s infinite;
}

@keyframes pulseBorder {
    0% {
        box-shadow: 0 0 0 0 rgba(225, 112, 85, 0.4);
    }

    70% {
        box-shadow: 0 0 0 6px rgba(225, 112, 85, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(225, 112, 85, 0);
    }
}

.status-indicator {
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.status-indicator.good {
    background-color: var(--status-good);
}

.status-indicator.warn {
    background-color: var(--status-warn);
}

.status-indicator.alert {
    background-color: var(--status-alert);
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
    padding-left: 8px;
}

.item-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.item-badge {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    background-color: var(--bg-surface);
    color: var(--text-muted);
}

.item-details {
    padding-left: 8px;
    margin-bottom: 1rem;
}

.item-details p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.item-details .days-left {
    font-weight: 600;
}

.item-details .days-left.good {
    color: var(--status-good);
}

.item-details .days-left.warn {
    color: var(--status-warn);
}

.item-details .days-left.alert {
    color: var(--status-alert);
}

.item-actions {
    display: flex;
    gap: 0.5rem;
    padding-left: 8px;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

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

.modal {
    background-color: var(--bg-panel);
    border-radius: var(--radius);
    width: 100%;
    max-width: 450px;
    border: 1px solid var(--border);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

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

.close-modal {
    background: transparent;
    color: var(--text-muted);
    font-size: 1.5rem;
    padding: 0;
}

.modal-body {
    padding: 1.25rem;
}

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

.form-row {
    display: flex;
    gap: 1rem;
}

.form-group.half {
    flex: 1;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.4rem;
    color: var(--text-muted);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.6rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border);
    color: var(--text-main);
    border-radius: 8px;
}

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

.m-tab {
    flex: 1;
    background: transparent;
    padding: 0.75rem;
    border-radius: 0;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
}

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

.m-tab-content {
    display: none;
}

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

.scanner-mock {
    background-color: var(--bg-surface);
    padding: 2rem;
    text-align: center;
    border-radius: 8px;
    margin-bottom: 1rem;
    border: 1px dashed var(--border);
}

.preset-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.preset-chip {
    background-color: var(--bg-surface);
    border: 1px solid var(--border);
    padding: 0.4rem 0.8rem;
    border-radius: 16px;
    font-size: 0.8rem;
    cursor: pointer;
}

.preset-chip:hover {
    background-color: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* Settings and Stats */
.header-with-action {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
    margin-top: 1.5rem;
}

.stat-card {
    background-color: var(--bg-panel);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-top: 0.5rem;
}

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

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

.settings-card {
    background-color: var(--bg-panel);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin-bottom: 1rem;
    margin-top: 1rem;
}

.settings-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

/* Toast */
.toast {
    position: fixed;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--bg-panel);
    color: var(--text-main);
    border: 1px solid var(--border);
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: bottom 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
    z-index: 1000;
}

.toast.show {
    bottom: 30px;
}

.shopping-list ul {
    list-style: none;
    background-color: var(--bg-panel);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.shopping-list li {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
}

.shopping-list li:last-child {
    border-bottom: none;
}

@media (max-width: 768px) {
    main {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 1rem;
    }

    .nav-menu {
        flex-direction: row;
        overflow-x: auto;
    }

    .nav-item {
        white-space: nowrap;
    }
}