/* Layout */
.page-wrapper {
    display: flex;
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    align-items: flex-start;
}

.container {
    flex: 1;
    min-width: 0;
}

.page-header {
    text-align: center;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2.2rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
    background: linear-gradient(90deg, var(--accent), var(--yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--muted);
    font-size: 1rem;
    font-weight: 600;
}

/* Search Section */
.search-section {
    background: var(--surface);
    border: 3px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.search-bar {
    margin-bottom: 1rem;
}

.search-bar input {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    font-size: 1rem;
    font-weight: 600;
    outline: none;
    transition: border-color 0.15s;
}

.search-bar input:focus {
    border-color: var(--accent);
}

.search-bar input::placeholder {
    color: var(--muted);
    opacity: 0.7;
}

.search-buttons {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.search-hint {
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--muted);
    line-height: 1.5;
}

.search-hint strong {
    color: var(--text);
}

/* Buttons */
.btn {
    padding: 0.7rem 1.2rem;
    border: 2px solid transparent;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: transform 0.1s, opacity 0.15s;
    color: #fff;
    min-height: 48px;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-branded {
    background: var(--accent);
    flex: 1;
}

.btn-generic {
    background: #b8860b;
    flex: 1;
}

.btn-scan {
    background: #2980b9;
    flex: 1;
}

.btn-stop {
    background: var(--accent);
    margin-top: 1rem;
    width: 100%;
}

/* Scanner */
.scanner-container {
    background: var(--surface);
    border: 3px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.scanner-container.hidden {
    display: none;
}

#scannerView {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    border-radius: 4px;
    overflow: hidden;
}

/* Status Message */
.status-message {
    text-align: center;
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.status-message.hidden {
    display: none;
}

.status-message.loading {
    color: var(--yellow);
    background: rgba(254, 202, 87, 0.1);
    border: 2px solid rgba(254, 202, 87, 0.3);
}

.status-message.error {
    color: var(--accent);
    background: rgba(255, 107, 107, 0.1);
    border: 2px solid rgba(255, 107, 107, 0.3);
}

/* Results */
.results-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.result-card {
    background: var(--surface);
    border: 3px solid var(--border);
    border-radius: 8px;
    padding: 1.2rem 1.5rem;
    cursor: pointer;
    transition: border-color 0.15s, transform 0.15s;
}

.result-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.result-card.expanded {
    border-color: var(--yellow);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.result-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
}

.result-brand {
    font-size: 0.8rem;
    color: var(--muted);
    margin-top: 0.2rem;
}

.result-cals {
    font-size: 1.1rem;
    font-weight: 900;
    color: var(--yellow);
    white-space: nowrap;
}

.result-cals small {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--muted);
}

/* Nutrition Detail */
.nutrition-detail {
    display: none;
    margin-top: 1.2rem;
    padding-top: 1.2rem;
    border-top: 2px solid var(--border);
}

.result-card.expanded .nutrition-detail {
    display: block;
}

.serving-info {
    background: rgba(39, 174, 96, 0.15);
    border: 1px solid rgba(39, 174, 96, 0.4);
    border-radius: 4px;
    padding: 0.5rem 0.8rem;
    margin-bottom: 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: #2ecc71;
}

.macros {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.macro-item {
    text-align: center;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 4px;
    border: 1px solid var(--border);
}

.macro-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--muted);
    margin-bottom: 0.3rem;
}

.macro-value {
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--text);
}

.macro-value small {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--muted);
}

/* Unit Converter */
.converter {
    background: rgba(255, 255, 255, 0.04);
    border: 2px solid var(--border);
    border-radius: 4px;
    padding: 1rem;
}

.converter-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--muted);
    margin-bottom: 0.8rem;
}

.converter-row {
    display: flex;
    gap: 0.8rem;
    align-items: center;
    flex-wrap: wrap;
}

.converter-row input {
    width: 80px;
    padding: 0.5rem 0.7rem;
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 700;
    outline: none;
}

.converter-row input:focus {
    border-color: var(--accent);
}

.converter-row select {
    padding: 0.5rem 0.7rem;
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 700;
    outline: none;
    cursor: pointer;
}

.converter-row select option {
    background: var(--surface);
    color: var(--text);
}

.converter-result {
    font-size: 1.1rem;
    font-weight: 900;
    color: var(--yellow);
    margin-left: auto;
}

.converter-result small {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--muted);
}

.result-source {
    margin-top: 0.8rem;
    font-size: 0.7rem;
    color: var(--muted);
    text-align: right;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Add to Cart Button */
.btn-add-cart {
    display: inline-block;
    margin-top: 0.8rem;
    padding: 0.5rem 1rem;
    background: #27ae60;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: background 0.15s;
}

.btn-add-cart:hover {
    background: #2ecc71;
}

/* Side Cart */
.cart {
    width: 300px;
    flex-shrink: 0;
    background: var(--surface);
    border: 3px solid var(--border);
    border-radius: 8px;
    padding: 1.2rem;
    position: sticky;
    top: 80px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.cart-header-buttons {
    display: flex;
    gap: 0.4rem;
}

.cart-hint {
    font-size: 0.75rem;
    color: var(--muted);
    line-height: 1.4;
    margin-bottom: 0.8rem;
    padding-bottom: 0.8rem;
    border-bottom: 2px solid var(--border);
}

.cart-title {
    font-size: 1rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--yellow);
}

.btn-clear {
    background: none;
    border: 1px solid var(--border);
    color: var(--muted);
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
}

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

.cart-items {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.cart-empty {
    color: var(--muted);
    font-size: 0.8rem;
    text-align: center;
    padding: 1rem 0;
}

.cart-item {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.6rem 0.8rem;
    position: relative;
}

.cart-item-name {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.3rem;
    padding-right: 1.5rem;
}

.cart-item-info {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.cart-item-info input {
    width: 50px;
    padding: 0.2rem 0.4rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text);
    font-size: 0.75rem;
    font-weight: 700;
    outline: none;
}

.cart-item-info input:focus {
    border-color: var(--accent);
}

.cart-item-info select {
    padding: 0.2rem 0.3rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text);
    font-size: 0.75rem;
    font-weight: 700;
    outline: none;
    cursor: pointer;
}

.cart-item-info select option {
    background: var(--surface);
}

.cart-item-cals {
    font-size: 0.8rem;
    font-weight: 900;
    color: var(--yellow);
    margin-left: auto;
}

.cart-item-remove {
    position: absolute;
    top: 0.4rem;
    right: 0.5rem;
    background: none;
    border: none;
    color: var(--muted);
    font-size: 1rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
}

.cart-item-remove:hover {
    color: var(--accent);
}

/* Cart Totals */
.cart-totals {
    margin-top: 1rem;
    padding-top: 0.8rem;
    border-top: 2px solid var(--border);
}

.cart-totals.hidden {
    display: none;
}

.cart-totals-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--muted);
    margin-bottom: 0.6rem;
}

.cart-totals-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.cart-total-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0.6rem;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 3px;
}

.cart-total-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
}

.cart-total-value {
    font-size: 0.85rem;
    font-weight: 900;
    color: var(--text);
}

.cart-total-value.cal-value {
    color: var(--yellow);
}

/* Mobile Cart Toggle */
.cart-toggle {
    display: none;
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 30px;
    padding: 0.8rem 1.4rem;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    z-index: 999;
}

.cart-badge {
    display: inline-block;
    background: var(--yellow);
    color: #222;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    line-height: 20px;
    text-align: center;
    font-size: 0.7rem;
    font-weight: 900;
    margin-right: 0.3rem;
}

/* Responsive */
@media (max-width: 900px) {
    .page-wrapper {
        flex-direction: column;
    }

    .cart {
        width: 100%;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        top: auto;
        border-radius: 12px 12px 0 0;
        max-height: 60vh;
        z-index: 998;
        transform: translateY(100%);
        transition: transform 0.3s ease;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
    }

    .cart.open {
        transform: translateY(0);
    }

    .cart-toggle {
        display: block;
    }

    .cart-toggle.hidden {
        display: none;
    }
}

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 1.8rem;
    }

    .search-buttons {
        flex-direction: column;
    }

    .macros {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
    }

    .converter-row {
        flex-direction: column;
        align-items: stretch;
    }

    .converter-row input,
    .converter-row select {
        width: 100%;
    }

    .converter-result {
        margin-left: 0;
        text-align: center;
        margin-top: 0.5rem;
    }
}