/* Meta Facebook Style CSS cho Order Status Lookup */
:root {
    --primary-color: #D7CA9B;
    --secondary-color: #F0EAD6;
    --text-color: #1c1e21;
    --border-color: #dadde1;
    --hover-color: #C5B888;
    --success-color: #42b883;
    --error-color: #e74c3c;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
    --radius: 8px;
}

.osl-container {
    max-width: 500px;
    margin: 20px auto;
    background: #ffffff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.osl-header {
    background: linear-gradient(135deg, var(--primary-color), var(--hover-color));
    color: white;
    padding: 20px;
    text-align: center;
}

.osl-header h2 {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
}

.osl-header p {
    margin: 8px 0 0 0;
    opacity: 0.9;
    font-size: 14px;
}

.osl-form {
    padding: 24px;
}

.osl-form-group {
    margin-bottom: 20px;
}

.osl-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
    font-size: 15px;
}

.osl-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 16px;
    transition: all 0.2s ease;
    background: #ffffff;
    box-sizing: border-box;
}

.osl-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(215, 202, 155, 0.1);
}

.osl-btn {
    width: 100%;
    padding: 12px 24px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.osl-btn:hover {
    background: var(--hover-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

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

.osl-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

.osl-loading {
    display: none;
    text-align: center;
    padding: 20px;
}

.osl-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--secondary-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: osl-spin 1s linear infinite;
    margin: 0 auto 12px;
}

@keyframes osl-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.osl-result {
    margin-top: 20px;
    padding: 16px;
    border-radius: var(--radius);
    display: none;
    animation: osl-slideIn 0.3s ease;
}

@keyframes osl-slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.osl-result.success {
    background: rgba(66, 184, 131, 0.1);
    border: 2px solid var(--success-color);
    color: var(--success-color);
}

.osl-result.error {
    background: rgba(231, 76, 60, 0.1);
    border: 2px solid var(--error-color);
    color: var(--error-color);
}

.osl-status-info {
    background: white;
    border-radius: var(--radius);
    padding: 20px;
    margin-top: 16px;
    box-shadow: var(--shadow);
}

.osl-status-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.osl-status-label {
    font-weight: 600;
    color: var(--text-color);
}

.osl-status-value {
    color: #666;
    font-size: 14px;
}

.osl-status-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.osl-status-badge.chua-nhan {
    background: rgba(255, 193, 7, 0.2);
    color: #856404;
}

.osl-status-badge.da-nhan {
    background: rgba(40, 167, 69, 0.2);
    color: #155724;
}

/* Responsive Design */
@media (max-width: 768px) {
    .osl-container {
        margin: 10px;
        max-width: none;
    }
    
    .osl-form {
        padding: 16px;
    }
    
    .osl-header {
        padding: 16px;
    }
    
    .osl-status-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}

/* Accessibility */
.osl-input:focus-visible,
.osl-btn:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .osl-btn,
    .osl-input,
    .osl-result {
        transition: none;
    }
    
    .osl-spinner {
        animation: none;
    }
}