/* ── Design tokens ── */
:root {
    --clr-primary: #2A9D8F;
    --clr-primary-dark: #21867A;
    --clr-accent: #E9A84C;
    --clr-accent-dark: #D4952F;
    --clr-bg: #F4F5F7;
    --clr-card: #FFFFFF;
    --clr-text: #2D3436;
    --clr-text-secondary: #636E72;
    --clr-border: #E0E0E0;
    --clr-checked-bg: #F0F9F7;
    --clr-danger: #E17055;
    --clr-success: #00B894;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

body {
    font-family: var(--font);
    background: var(--clr-bg);
    color: var(--clr-text);
    min-height: 100vh;
    padding-bottom: 80px;
}

body.no-scroll { overflow: hidden; }

/* ── Header ── */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--clr-primary);
    color: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

.app-header h1 {
    flex: 1;
    font-size: 1.2rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.back-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    transition: background 0.2s;
}

.back-btn:hover { background: rgba(255,255,255,0.15); }

.counter {
    font-size: 0.85rem;
    opacity: 0.9;
    white-space: nowrap;
}

/* ── Main content ── */
main {
    max-width: 600px;
    margin: 0 auto;
    padding: 8px 12px;
}

/* ── Empty state ── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--clr-text-secondary);
}

.empty-state__icon { font-size: 3rem; margin-bottom: 12px; }
.empty-state__hint { font-size: 0.85rem; margin-top: 4px; }

/* ── Loading ── */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--clr-text-secondary);
}

/* ── Category groups ── */
.category-group { margin-bottom: 8px; }

.category-title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--clr-primary);
    padding: 12px 16px 4px;
}

.category-title--checked { color: var(--clr-text-secondary); }

.category-group--checked { opacity: 0.7; }

/* ── Item card ── */
.item-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    margin: 4px 8px;
    background: var(--clr-card);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    transition: transform 0.15s, opacity 0.2s;
}

.item-card:active { transform: scale(0.98); }

.item-card--checked {
    background: var(--clr-checked-bg);
    box-shadow: none;
}

.item-card--checked .item-name {
    text-decoration: line-through;
    color: var(--clr-text-secondary);
}

.item-card--checked .qty-inline { display: none; }

/* ── Checkbox ── */
.item-check {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    cursor: pointer;
}

.item-check input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkmark {
    width: 22px;
    height: 22px;
    border: 2px solid var(--clr-border);
    border-radius: 6px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.item-check input:checked + .checkmark {
    background: var(--clr-success);
    border-color: var(--clr-success);
}

.item-check input:checked + .checkmark::after {
    content: "";
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}

/* ── Item info block ── */
.item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* ── Item name ── */
.item-name {
    font-size: 0.95rem;
    font-weight: 500;
    word-wrap: break-word;
    min-width: 0;
}

.item-comment {
    font-size: 0.8rem;
    color: var(--clr-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.item-details {
    font-size: 0.8rem;
    color: var(--clr-text-secondary);
}

/* ── Inline quantity controls ── */
.qty-inline {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
    flex-shrink: 0;
}

.qty-inline-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-text);
    line-height: 1;
    transition: background 0.15s;
}

.qty-inline-btn:hover { background: var(--clr-border); }

.qty-inline-input {
    width: 40px;
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
    border: 1px solid var(--clr-border);
    border-radius: 4px;
    padding: 2px 4px;
    font-family: var(--font);
    -moz-appearance: textfield;
}

.qty-inline-input::-webkit-outer-spin-button,
.qty-inline-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.qty-inline-input:focus {
    outline: none;
    border-color: var(--clr-primary);
}

.qty-inline-unit {
    font-size: 0.8rem;
    color: var(--clr-text-secondary);
    margin-left: 2px;
}

/* ── Item menu button ── */
.item-menu-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--clr-text-secondary);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    transition: background 0.2s;
    flex-shrink: 0;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.item-menu-btn:hover { background: var(--clr-bg); }

/* ── FAB ── */
.fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--clr-accent);
    color: white;
    border: none;
    font-size: 1.8rem;
    font-weight: 300;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(233, 168, 76, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fab:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 16px rgba(233, 168, 76, 0.5);
}

.fab:active { transform: scale(0.95); }

/* ── Modal overlay ── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 200;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s;
}

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

.modal--visible .modal-sheet {
    transform: translateY(0);
}

/* ── Modal sheet ── */
.modal-sheet {
    background: var(--clr-card);
    border-radius: var(--radius) var(--radius) 0 0;
    width: 100%;
    max-width: 500px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px 8px;
}

.modal-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--clr-text-secondary);
    cursor: pointer;
    padding: 4px;
    line-height: 1;
}

.modal-body {
    padding: 8px 20px 16px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.modal-actions {
    display: flex;
    gap: 12px;
    padding: 12px 20px 20px;
    border-top: 1px solid var(--clr-border);
}

/* ── Buttons ── */
.btn-primary {
    flex: 1;
    padding: 12px;
    background: var(--clr-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

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

.btn-cancel {
    flex: 1;
    padding: 12px;
    background: var(--clr-bg);
    color: var(--clr-text);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-cancel:hover { background: var(--clr-border); }

.btn-danger {
    flex: 1;
    padding: 12px;
    background: var(--clr-danger);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-danger:hover { background: #C0392B; }

.btn-secondary {
    display: block;
    width: 100%;
    padding: 12px;
    margin-top: 12px;
    background: transparent;
    color: var(--clr-primary);
    border: 2px dashed var(--clr-primary);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

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

/* ── Search ── */
.search-box {
    margin-bottom: 12px;
}

.search-box input {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--clr-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font);
    outline: none;
    transition: border-color 0.2s;
}

.search-box input:focus { border-color: var(--clr-primary); }

.search-results {
    max-height: 300px;
    overflow-y: auto;
}

.search-empty {
    text-align: center;
    padding: 20px;
    color: var(--clr-text-secondary);
    font-size: 0.9rem;
}

.search-result-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 4px;
    border-bottom: 1px solid var(--clr-border);
}

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

.search-result-name {
    display: block;
    font-weight: 500;
    font-size: 0.95rem;
}

.search-result-meta {
    font-size: 0.8rem;
    color: var(--clr-text-secondary);
}

.btn-add-to-list {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--clr-accent);
    color: white;
    border: none;
    font-size: 1.3rem;
    font-weight: 300;
    cursor: pointer;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s;
    line-height: 1;
}

.btn-add-to-list:hover { transform: scale(1.1); }

/* ── Form fields ── */
.field-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--clr-text-secondary);
    margin-bottom: 12px;
}

.field-label input,
.field-label select,
.field-label textarea {
    display: block;
    width: 100%;
    margin-top: 4px;
    padding: 10px 12px;
    border: 2px solid var(--clr-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font);
    outline: none;
    background: white;
    transition: border-color 0.2s;
    resize: vertical;
}

.field-label input:focus,
.field-label select:focus,
.field-label textarea:focus { border-color: var(--clr-primary); }

.field-label--checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.field-label--checkbox input[type="checkbox"] {
    display: inline;
    width: auto;
    margin: 0;
    padding: 0;
    accent-color: var(--clr-primary);
}

/* ── Quantity control ── */
.quantity-control {
    text-align: center;
}

.qty-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 12px;
}

.qty-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--clr-bg);
    border: 2px solid var(--clr-border);
    font-size: 1.3rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    color: var(--clr-text);
    line-height: 1;
}

.qty-btn:hover { background: var(--clr-border); }

.qty-row input {
    width: 60px;
    text-align: center;
    padding: 8px;
    border: 2px solid var(--clr-border);
    border-radius: var(--radius-sm);
    font-size: 1.2rem;
    font-weight: 600;
    font-family: var(--font);
    outline: none;
}

.qty-row input:focus { border-color: var(--clr-primary); }

/* ── Context menu ── */
.context-menu {
    position: fixed;
    z-index: 300;
    background: var(--clr-card);
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    min-width: 160px;
    padding: 4px 0;
    opacity: 0;
    pointer-events: none;
    transform: scale(0.9);
    transition: opacity 0.15s, transform 0.15s;
}

.context-menu--visible {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
}

.context-item {
    display: block;
    width: 100%;
    padding: 10px 16px;
    background: none;
    border: none;
    text-align: left;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.15s;
    color: var(--clr-text);
    font-family: var(--font);
}

.context-item:hover { background: var(--clr-bg); }
.context-item--danger { color: var(--clr-danger); }

/* ── Card badge ── */
.card-badge {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 8px;
    font-size: 0.7rem;
    font-weight: 600;
    vertical-align: middle;
}

.card-badge--active { background: #E8F5E9; color: #2E7D32; }
.card-badge--inactive { background: #FBE9E7; color: #C62828; }
.card-badge--shared { background: #E3F2FD; color: #1565C0; }

/* ── Identifier row ── */
.identifier-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    border-bottom: 1px solid var(--clr-border);
}

.identifier-row:last-child { border-bottom: none; }

.identifier-type {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--clr-text-secondary);
    min-width: 70px;
}

.identifier-value {
    flex: 1;
    font-size: 0.9rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.identifier-edit {
    background: none;
    border: none;
    font-size: 1rem;
    color: var(--clr-text-secondary);
    cursor: pointer;
    padding: 4px 4px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.identifier-edit:hover { opacity: 1; }

.identifier-delete {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--clr-danger);
    cursor: pointer;
    padding: 4px 8px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.identifier-delete:hover { opacity: 1; }

/* ── Toast ── */
.toast {
    position: fixed;
    bottom: 90px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--clr-text);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    z-index: 400;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s, transform 0.3s;
    max-width: calc(100vw - 32px);
    text-align: center;
    word-wrap: break-word;
}

.toast--visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast--error { background: var(--clr-danger); }

/* ── Cards search bar ── */
.cards-search-bar {
    max-width: 600px;
    margin: 8px auto 0;
    padding: 0 12px;
}

.cards-search-bar input {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--clr-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font);
    outline: none;
    transition: border-color 0.2s;
    background: white;
}

.cards-search-bar input:focus { border-color: var(--clr-primary); }

/* ── Drop zone ── */
.drop-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    border: 2px dashed var(--clr-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    margin-top: 12px;
    padding: 16px;
}

.drop-zone:hover,
.drop-zone--hover {
    border-color: var(--clr-primary);
    background: var(--clr-checked-bg);
}

.drop-zone__prompt {
    font-size: 0.85rem;
    color: var(--clr-text-secondary);
    text-align: center;
}

.drop-zone__preview {
    display: none;
    max-width: 100%;
    max-height: 200px;
    border-radius: var(--radius-sm);
    object-fit: contain;
}

/* ── Lightbox ── */
.lightbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s;
}

.lightbox--visible {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius);
}

.lightbox-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    font-size: 2rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    line-height: 1;
}

.lightbox-close:hover { background: rgba(255,255,255,0.3); }

/* ── Card image indicator ── */
.card-image-indicator {
    font-size: 0.85rem;
    vertical-align: middle;
    margin-right: 2px;
}

/* ── Identifier thumbnail ── */
.identifier-thumb {
    width: 36px;
    height: 36px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    flex-shrink: 0;
    transition: transform 0.15s;
}

.identifier-thumb:hover { transform: scale(1.15); }

/* ── Profile page ── */
.profile-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    background: #E8F5E9;
    color: #2E7D32;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.profile-section {
    background: var(--clr-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px;
    margin-bottom: 12px;
}

.profile-section__title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--clr-text-secondary);
    margin-bottom: 10px;
}

.profile-field-row {
    display: flex;
    gap: 8px;
}

.profile-input {
    flex: 1;
    padding: 10px 12px;
    border: 2px solid var(--clr-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font);
    outline: none;
    transition: border-color 0.2s;
}

.profile-input:focus { border-color: var(--clr-primary); }

.profile-input--full {
    display: block;
    width: 100%;
    margin-bottom: 8px;
}

.profile-save-btn {
    padding: 10px 16px;
    background: var(--clr-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s;
}

.profile-save-btn:hover { background: var(--clr-primary-dark); }

.profile-save-btn--full {
    display: block;
    width: 100%;
}

.profile-link-btn {
    background: none;
    border: none;
    color: var(--clr-danger);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 8px;
    padding: 0;
}

.profile-link-btn:hover { text-decoration: underline; }

.profile-msg {
    font-size: 0.82rem;
    margin-top: 6px;
    min-height: 1.2em;
}

.profile-msg--error { color: var(--clr-danger); }
.profile-msg--ok { color: var(--clr-success); }

/* ── Responsive ── */
@media (min-width: 600px) {
    main { padding: 12px 0; }

    .modal-sheet {
        border-radius: var(--radius);
        margin-bottom: 5vh;
    }

    .modal-overlay { align-items: center; }
}

@media (max-width: 359px) {
    .app-header { padding: 10px 12px; }
    .app-header h1 { font-size: 1rem; }
    .item-card { padding: 8px 12px; margin: 3px 4px; }
    .fab { width: 48px; height: 48px; font-size: 1.5rem; bottom: 16px; right: 16px; }
}