/* ===== CSS Variables / Theming ===== */
:root {
    --color-bg: #0f0f1a;
    --color-surface: #1a1a2e;
    --color-surface-alt: #16213e;
    --color-border: #2a2a4a;
    --color-text: #e0e0e0;
    --color-text-muted: #a0a0b0;
    --color-primary: #4a9eff;
    --color-primary-hover: #3a8eef;
    --color-accent: #6c63ff;

    /* Expiry urgency colors */
    --color-safe: #4caf50;
    --color-expiring-soon: #ff9800;
    --color-expired: #f44336;

    /* Layout */
    --sidebar-width: 240px;
    --header-height: 56px;
    --bottom-nav-height: 60px;
    --radius: 8px;
    --radius-sm: 4px;

    /* Transitions */
    --transition: 0.2s ease;
}

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

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

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

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

a:hover {
    color: var(--color-primary-hover);
}

ul {
    list-style: none;
}

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

/* ===== Mobile Header ===== */
.mobile-header {
    display: flex;
    align-items: center;
    gap: 12px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    padding: 0 16px;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
}

.header-title {
    font-size: 1.125rem;
    font-weight: 600;
}

/* Hamburger button */
.hamburger-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 32px;
    height: 32px;
    padding: 4px;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Sidebar ===== */
.sidebar {
    position: fixed;
    top: 0;
    left: -var(--sidebar-width);
    left: calc(-1 * var(--sidebar-width));
    width: var(--sidebar-width);
    height: 100vh;
    background-color: var(--color-surface);
    border-right: 1px solid var(--color-border);
    z-index: 200;
    transition: transform var(--transition);
    overflow-y: auto;
}

.sidebar.open {
    transform: translateX(var(--sidebar-width));
}

.sidebar-header {
    padding: 20px 16px;
    border-bottom: 1px solid var(--color-border);
}

.sidebar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

.nav-list {
    padding: 8px 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--color-text);
    transition: background-color var(--transition);
    border-radius: var(--radius-sm);
    margin: 2px 8px;
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--color-surface-alt);
    color: var(--color-primary);
}

.nav-icon {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

/* Sidebar overlay (mobile) */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 150;
}

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

/* ===== Main Content ===== */
.main-content {
    padding: calc(var(--header-height) + 16px) 16px calc(var(--bottom-nav-height) + 16px);
    min-height: 100vh;
}

/* ===== Bottom Navigation (Mobile) ===== */
.bottom-nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    z-index: 100;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 8px 12px;
    color: var(--color-text-muted);
    font-size: 0.7rem;
    transition: color var(--transition);
}

.bottom-nav-item:hover,
.bottom-nav-item.active {
    color: var(--color-primary);
}

.bottom-nav-icon {
    font-size: 1.25rem;
}

.bottom-nav-label {
    font-weight: 500;
}

/* ===== Cards ===== */
.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 16px;
}

.card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-text);
}

/* ===== Dashboard ===== */
.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.dashboard-cards {
    display: grid;
    gap: 16px;
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

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

.stat-value.stat-warning {
    color: var(--color-expiring-soon);
}

.stat-value.stat-danger {
    color: var(--color-expired);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== Item Lists ===== */
.item-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.item-list-empty {
    color: var(--color-text-muted);
    font-style: italic;
    padding: 8px 0;
}

.item-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background-color: var(--color-surface-alt);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-safe);
}

.item-card.expiring-soon {
    border-left-color: var(--color-expiring-soon);
}

.item-card.expired {
    border-left-color: var(--color-expired);
}

.item-card .item-name {
    flex: 1;
    font-weight: 500;
}

.item-card .item-expiry {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.item-card .item-qty {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ===== Activity List ===== */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.875rem;
}

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

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

.form-label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-input,
.form-select {
    width: 100%;
    padding: 10px 12px;
    background-color: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 1rem;
    transition: border-color var(--transition);
}

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.9rem;
    transition: background-color var(--transition), opacity var(--transition);
}

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

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

.btn-danger {
    background-color: var(--color-expired);
    color: #fff;
}

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

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

/* ===== Expiry Urgency Classes ===== */
.urgency-safe {
    color: var(--color-safe);
}

.urgency-expiring-soon {
    color: var(--color-expiring-soon);
}

.urgency-expired {
    color: var(--color-expired);
}

/* ===== Desktop Layout (>= 768px) ===== */
@media (min-width: 768px) {
    .mobile-header {
        display: none;
    }

    .bottom-nav {
        display: none;
    }

    .sidebar {
        left: 0;
        transform: none;
    }

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

    .main-content {
        margin-left: var(--sidebar-width);
        padding: 24px 32px;
        min-height: 100vh;
    }

    .dashboard-cards {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

/* ===== Larger screens ===== */
@media (min-width: 1200px) {
    .main-content {
        max-width: 1100px;
    }
}

/* ===== Accessibility: focus styles ===== */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
    }
}

/* ===== Add-item form (redesigned) ===== */
.add-form {
    max-width: 560px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.add-form .field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.add-form .field > label {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.add-form input,
.add-form select {
    width: 100%;
    padding: 11px 13px;
    background-color: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.add-form input:focus,
.add-form select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.18);
}

.add-form input::placeholder {
    color: var(--color-text-muted);
    opacity: 0.8;
}

.field-row {
    display: flex;
    gap: 14px;
}

.field-row > .field {
    flex: 1;
}

.field-row > .field-sm {
    flex: 0 0 38%;
}

@media (max-width: 520px) {
    .field-row {
        flex-direction: column;
        gap: 18px;
    }
    .field-row > .field-sm {
        flex: 1;
    }
}

/* Scan call-to-action */
.scan-cta {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 16px;
    text-align: left;
    background: linear-gradient(135deg, var(--color-surface-alt), var(--color-surface));
    border: 1px dashed var(--color-primary);
    border-radius: var(--radius);
    transition: border-color var(--transition), background var(--transition);
}

.scan-cta:hover {
    border-color: var(--color-accent);
    background-color: var(--color-surface-alt);
}

.scan-cta-icon {
    font-size: 1.8rem;
    line-height: 1;
}

.scan-cta-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.scan-cta-text strong {
    font-size: 1rem;
    color: var(--color-text);
}

.scan-cta-text small {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* Barcode lookup status line */
.barcode-status {
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

.barcode-status.is-ok {
    background-color: rgba(76, 175, 80, 0.12);
    color: var(--color-safe);
    border: 1px solid rgba(76, 175, 80, 0.3);
}

.barcode-status.is-warn {
    background-color: rgba(255, 152, 0, 0.12);
    color: var(--color-expiring-soon);
    border: 1px solid rgba(255, 152, 0, 0.3);
}

/* ===== Modal (item editor + barcode scanner) ===== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background-color: rgba(0, 0, 0, 0.6);
}
.modal.hidden { display: none; }
.modal-content {
    width: 100%;
    max-width: 460px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 20px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.modal-header h3 { font-size: 1.1rem; }
.btn-close {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    font-size: 1.5rem;
    line-height: 1;
    color: var(--color-text-muted);
}
.btn-close:hover { color: var(--color-text); background-color: var(--color-surface-alt); }

/* The edit form reuses .add-form field styling but not its card chrome */
.modal-form {
    max-width: none;
    background: none;
    border: none;
    padding: 0;
    gap: 16px;
}
.edit-actions { display: flex; gap: 8px; }
.edit-actions .btn-chip { flex: 1; }

/* Barcode scanner viewport */
.scanner-viewport {
    width: 100%;
    min-height: 220px;
    background-color: #000;
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.scanner-hint { text-align: center; color: var(--color-text-muted); font-size: 0.85rem; margin-top: 10px; }

/* Product photo preview on the add form */
.image-preview-wrap {
    display: flex;
    justify-content: center;
}
.item-image-preview {
    max-width: 140px;
    max-height: 140px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    background-color: var(--color-surface-alt);
    object-fit: contain;
}

/* Segmented control (location) */
.segmented {
    display: flex;
    gap: 8px;
}

.seg-btn {
    flex: 1;
    padding: 12px 8px;
    background-color: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
}

.seg-btn:hover {
    color: var(--color-text);
    border-color: var(--color-primary);
}

.seg-btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

/* More details disclosure */
.more-details > summary {
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    padding: 6px 0;
    list-style: none;
}

.more-details > summary::-webkit-details-marker {
    display: none;
}

.more-details > summary::before {
    content: '▸ ';
}

.more-details[open] > summary::before {
    content: '▾ ';
}

.more-details[open] {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Full-width submit + inline form error */
.btn-block {
    width: 100%;
    padding: 13px 20px;
    font-size: 1rem;
}

.form-error {
    padding: 10px 12px;
    background-color: rgba(244, 67, 54, 0.12);
    border: 1px solid rgba(244, 67, 54, 0.3);
    border-radius: var(--radius-sm);
    color: var(--color-expired);
    font-size: 0.85rem;
}

/* ===== Generic field styling across content (household/settings/etc.) ===== */
.main-content input:not([type="checkbox"]):not([type="radio"]):not([type="range"]),
.main-content select {
    padding: 11px 13px;
    background-color: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 1rem;
    font-family: inherit;
}

.main-content input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):focus,
.main-content select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.18);
}

.btn-sm { padding: 6px 12px; font-size: 0.8rem; }

/* ===== Inventory item cards ===== */
.item-list { display: flex; flex-direction: column; gap: 10px; }

.item-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding: 14px 16px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    transition: border-color var(--transition), transform var(--transition);
}

.item-row:hover { transform: translateY(-1px); }
.item-row[data-urgency="expired"] { border-left-color: var(--color-expired); }
.item-row[data-urgency="soon"]    { border-left-color: var(--color-expiring-soon); }
.item-row[data-urgency="week"]    { border-left-color: #ffd54a; }
.item-row[data-urgency="ok"]      { border-left-color: var(--color-safe); }

.item-thumb {
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    background-color: var(--color-surface-alt);
}
.item-thumb-ph {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    border: 1px solid var(--color-border);
}

.item-main { display: flex; flex-direction: column; gap: 2px; flex: 1 1 auto; min-width: 0; }
.item-name { font-weight: 600; font-size: 1rem; color: var(--color-text); }
.item-sub { font-size: 0.82rem; color: var(--color-text-muted); }

.expiry-pill {
    flex: 0 0 auto;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
}
.pill-expired { background-color: rgba(244, 67, 54, 0.15); color: var(--color-expired); }
.pill-soon    { background-color: rgba(255, 152, 0, 0.15); color: var(--color-expiring-soon); }
.pill-week    { background-color: rgba(255, 213, 74, 0.15); color: #ffd54a; }
.pill-ok      { background-color: rgba(76, 175, 80, 0.15); color: var(--color-safe); }
.pill-none    { background-color: var(--color-surface-alt); color: var(--color-text-muted); }

.item-actions { display: flex; gap: 8px; flex: 0 0 auto; }
.btn-chip {
    padding: 7px 14px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
    background-color: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    transition: var(--transition);
}
.btn-chip:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-chip-danger:hover { border-color: var(--color-expired); color: var(--color-expired); }

.location-actions { margin-bottom: 16px; }

@media (max-width: 560px) {
    .item-actions { flex: 1 1 100%; }
    .btn-chip { flex: 1; }
}

/* ===== Activity feed ===== */
.activity-list { display: flex; flex-direction: column; gap: 8px; }
.activity-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}
.activity-icon {
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-surface-alt);
    border-radius: 50%;
    font-size: 1.1rem;
}
.activity-detail { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.activity-action { font-size: 0.92rem; color: var(--color-text); }
.activity-name { color: var(--color-primary); font-weight: 600; }
.activity-time { font-size: 0.78rem; color: var(--color-text-muted); }

/* ===== Household ===== */
.household-members h4 { margin-bottom: 10px; font-size: 0.95rem; color: var(--color-text-muted); }
.member-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.member-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background-color: var(--color-surface-alt);
    border-radius: var(--radius-sm);
}
.member-name { font-weight: 600; flex: 1; }
.badge {
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    background-color: var(--color-surface);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}
.household-actions, .household-admin { margin-top: 16px; }
.form-inline { display: flex; gap: 10px; flex-wrap: wrap; }
.form-inline input { flex: 1; min-width: 180px; }
.card hr { border: none; border-top: 1px solid var(--color-border); margin: 18px 0; }
.card h4 { margin-top: 0; }

/* ===== Settings ===== */
.card .form { display: flex; flex-direction: column; gap: 14px; }
.toggle-group > label {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background-color: var(--color-surface-alt);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.95rem;
}
.toggle-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--color-primary);
    flex: 0 0 auto;
}
.slider-group { display: flex; align-items: center; gap: 14px; }
.slider-group input[type="range"] { flex: 1; accent-color: var(--color-primary); }
.slider-value { font-weight: 600; color: var(--color-primary); min-width: 64px; text-align: right; }
.settings-status { margin-top: 12px; color: var(--color-safe); font-size: 0.88rem; }
.settings-status.hidden { display: none; }