/* Mobile Friendly Test Tool - Modern UI */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --success-green: linear-gradient(135deg, #56ab2f 0%, #a8e6cf 100%);
    --warning-yellow: linear-gradient(135deg, #f0932b 0%, #f5576c 100%);
    --danger-red: linear-gradient(135deg, #ff416c 0%, #ff4b2b 100%);
    --glass-bg: rgba(255, 255, 255, 0.95);
    --shadow: 0 20px 40px rgba(0,0,0,0.1);
    --border-radius: 20px;
}

# mftt-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.mftt-header {
    text-align: center;
    margin-bottom: 3rem;
}

.mftt-header h2 {
    font-size: 2.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 0 0.5rem 0;
}

.mftt-input-section {
    margin-bottom: 3rem;
}

.mftt-url-input-wrapper {
    display: flex;
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

# mftt-url-input {
    flex: 1;
    padding: 1.2rem 1.5rem;
    border: 2px solid #e1e5e9;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

# mftt-url-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.mftt-gradient-btn {
    padding: 1.2rem 2.5rem;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.mftt-gradient-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.mftt-loader {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-right: 0.5rem;
}

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

.mftt-preview-section {
    display: grid;
    grid-template-columns: 1fr 250px;
    gap: 2rem;
    margin-bottom: 3rem;
}

.mftt-device-frame {
    background: #f8f9fa;
    border-radius: 30px;
    padding: 20px;
    box-shadow: var(--shadow);
    position: relative;
}

.mftt-device-frame::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 25px;
    background: #333;
    border-radius: 20px;
}

# mftt-preview-frame {
    width: 375px;
    height: 667px;
    border: none;
    border-radius: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    margin: 0 auto;
    display: block;
}

.mftt-device-selector {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mftt-device-btn {
    padding: 1rem;
    border: 2px solid #e1e5e9;
    background: var(--glass-bg);
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.mftt-device-btn.active,
.mftt-device-btn:hover {
    border-color: #667eea;
    background: white;
    box-shadow: 0 10px 20px rgba(102,126,234,0.2);
}

.mftt-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.mftt-score-card {
    padding: 2.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px);
}

.mftt-score-card.green { background: var(--success-green); color: white; }
.mftt-score-card.yellow { background: var(--warning-yellow); color: white; }
.mftt-score-card.red { background: var(--danger-red); color: white; }

.mftt-score-circle {
    width: 120px;
    height: 120px;
    background: rgba(255,255,255,0.3);
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.mftt-score-number {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
}

.mftt-score-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.mftt-issues-section {
    background: var(--glass-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.mftt-tabs {
    display: flex;
    border-bottom: 2px solid #e1e5e9;
    margin-bottom: 2rem;
}

.mftt-tab-btn {
    padding: 1rem 2rem;
    border: none;
    background: none;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.mftt-tab-btn.active {
    color: #667eea;
    border-bottom-color: #667eea;
}

.mftt-tab-content {
    display: none;
}

.mftt-tab-content.active {
    display: block;
}

.mftt-issue-item,
.mftt-pass-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 15px;
    background: white;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.mftt-issue-item.critical { border-left: 5px solid #ff4b2b; }
.mftt-issue-item.warning { border-left: 5px solid #f0932b; }

.mftt-issue-icon,
.mftt-pass-icon {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
}

.mftt-issue-icon { background: rgba(255,75,43,0.1); color: #ff4b2b; }
.mftt-pass-icon { background: rgba(86,171,47,0.1); color: #56ab2f; }

.mftt-issue-content h4 {
    margin: 0 0 0.5rem 0;
    color: #333;
}

.mftt-issue-content .mftt-fix {
    background: #f8f9fa;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-family: monospace;
    font-size: 0.9rem;
    margin-top: 0.5rem;
    display: block;
}

.mftt-error {
    background: linear-gradient(135deg, #ff4b2b, #ff416c);
    color: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    margin: 2rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    #mftt-container { padding: 1rem; }
    .mftt-header h2 { font-size: 2rem; }
    .mftt-preview-section { grid-template-columns: 1fr; }
    .mftt-url-input-wrapper { flex-direction: column; }
    .mftt-results-grid { grid-template-columns: 1fr; }
}