/* NutriGen Barcode Scanner v1.0 */

:root {
    --primary: #d4af37;
    --secondary: #1a1a2e;
    --bg: #0f0f1e;
    --card-bg: #1a1a2e;
    --text: #f5f5f5;
    --text-secondary: rgba(245,245,245,0.7);
    --success: #28a745;
    --danger: #dc143c;
}

.nutrigen-barcode-wrap {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    padding: 20px;
}

/* Header */
.barcode-header {
    background: linear-gradient(135deg, var(--secondary), var(--bg));
    padding: 30px 20px;
    text-align: center;
    border-bottom: 2px solid var(--primary);
    border-radius: 20px 20px 0 0;
    margin-bottom: 20px;
}

.barcode-header h1 {
    color: var(--primary);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.barcode-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Cards */
.barcode-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 25px;
    margin-bottom: 20px;
    border: 2px solid rgba(212,175,55,0.2);
}

.card-title {
    color: var(--primary);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Tolerance Buttons */
.tolerance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-bottom: 20px;
}

.tolerance-btn {
    padding: 14px;
    background: rgba(255,255,255,0.05);
    border: 2px solid rgba(212,175,55,0.2);
    border-radius: 12px;
    color: var(--text);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}

.tolerance-btn:hover {
    background: rgba(255,255,255,0.08);
}

.tolerance-btn.active {
    background: rgba(212,175,55,0.2);
    border-color: var(--primary);
    color: var(--primary);
    font-weight: 600;
}

/* Buttons */
.btn-primary {
    width: 100%;
    padding: 18px;
    border: none;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    background: linear-gradient(135deg, var(--primary), #b8941f);
    color: var(--secondary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212,175,55,0.4);
}

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

.btn-secondary {
    width: 100%;
    padding: 14px;
    background: rgba(212,175,55,0.1);
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 10px;
}

.btn-secondary:hover {
    background: rgba(212,175,55,0.2);
}

.btn-link {
    background: transparent;
    border: none;
    color: var(--primary);
    cursor: pointer;
    text-decoration: underline;
    margin-top: 15px;
}

/* Scanner Container */
#scanner-container {
    margin: 20px 0;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(0,0,0,0.3);
}

#reader {
    border-radius: 12px;
}

.scanner-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
}

/* Selected Display */
.selected-display {
    background: rgba(212,175,55,0.1);
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 20px;
    border: 1px solid rgba(212,175,55,0.3);
}

.badge {
    background: var(--primary);
    color: var(--secondary);
    padding: 4px 12px;
    border-radius: 20px;
    margin: 0 5px;
    display: inline-block;
    font-weight: 600;
    font-size: 0.9rem;
}

/* Manual Input */
#manual-input {
    margin-top: 20px;
    padding: 20px;
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
}

.barcode-input {
    width: 100%;
    padding: 16px;
    background: rgba(255,255,255,0.08);
    border: 2px solid rgba(212,175,55,0.3);
    border-radius: 12px;
    color: var(--text);
    font-size: 1.1rem;
    margin-bottom: 10px;
    font-family: monospace;
    letter-spacing: 2px;
}

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

/* Results */
.result-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    border: 2px solid;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-card.safe {
    border-color: var(--success);
    background: linear-gradient(135deg, rgba(40,167,69,0.1), rgba(32,201,151,0.05));
}

.result-card.danger {
    border-color: var(--danger);
    background: linear-gradient(135deg, rgba(220,20,60,0.1), rgba(178,34,34,0.05));
}

.result-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.result-icon {
    font-size: 3rem;
}

.result-title {
    font-size: 1.5rem;
    font-weight: 700;
}

.result-card.safe .result-title {
    color: var(--success);
}

.result-card.danger .result-title {
    color: var(--danger);
}

.product-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-top: 5px;
}

.product-brand {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 3px;
}

.result-message {
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 20px;
    line-height: 1.6;
}

.result-message.success {
    background: rgba(40,167,69,0.1);
    border-left: 4px solid var(--success);
    color: var(--success);
}

.result-message.danger {
    background: rgba(220,20,60,0.1);
    border-left: 4px solid var(--danger);
}

/* Forbidden List */
.forbidden-list {
    background: rgba(220,20,60,0.1);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 20px;
}

.forbidden-item {
    padding: 12px;
    border-bottom: 1px solid rgba(220,20,60,0.2);
}

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

.forbidden-name {
    font-weight: 600;
    color: var(--danger);
    font-size: 1.05rem;
    margin-bottom: 5px;
}

.forbidden-reason {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Alternatives */
.alternatives-section {
    background: rgba(40,167,69,0.1);
    border-radius: 12px;
    padding: 20px;
    margin-top: 20px;
}

.alternatives-section h3 {
    color: var(--success);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.alternative-item {
    padding: 12px;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
    margin-bottom: 10px;
}

.alternative-label {
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 5px;
    text-transform: capitalize;
}

.alternative-value {
    color: var(--text);
    line-height: 1.5;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.action-buttons .btn-primary,
.action-buttons .btn-secondary {
    flex: 1;
}

/* Loading */
#loading {
    text-align: center;
    padding: 40px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(212,175,55,0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Hidden */
.hidden {
    display: none !important;
}

/* Version Badge */
.version-badge {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(212,175,55,0.9);
    color: var(--secondary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    z-index: 9999;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

/* Responsive */
@media (max-width: 768px) {
    .barcode-header h1 {
        font-size: 1.5rem;
    }
    
    .tolerance-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .result-icon {
        font-size: 2rem;
    }
    
    .result-title {
        font-size: 1.2rem;
    }
    
    .action-buttons {
        flex-direction: column;
    }
}