style.css

/* Custom animations and transitions */
@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Tab styles */
.tab-btn {
    position: relative;
    color: #6b7280;
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(to right, #6366f1, #8b5cf6);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.tab-btn.active {
    color: #6366f1;
    background: rgba(99, 102, 241, 0.1);
}

.tab-btn.active::after {
    transform: scaleX(1);
}

.tab-btn:hover:not(.active) {
    background: rgba(107, 114, 128, 0.1);
}

/* Textarea styles */
textarea {
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 #f1f5f9;
}

textarea::-webkit-scrollbar {
    width: 8px;
}

textarea::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 4px;
}

textarea::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

textarea::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Button hover effects */
button {
    position: relative;
    overflow: hidden;
}

button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

button:active::before {
    width: 300px;
    height: 300px;
}

/* Loading animation */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f4f6;
    border-top-color: #6366f1;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Toast notification styles */
#toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Line clamp utility */
.line-clamp-6 {
    display: -webkit-box;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Gradient text effect */
.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Card hover effects */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}
/* Pulse animation for optimization score */
@keyframes scorePulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.score-update {
    animation: scorePulse 0.5s ease;
}

/* Robustness indicator styles */
.robustness-indicator {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
    margin-top: 4px;
}

.compliance-badge {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    padding: 2px 8px;
    border-radius: 8px;
    font-size: 0.625rem;
    font-weight: 500;
    display: inline-block;
    margin-left: 4px;
}

/* Enhanced textarea focus for precision */
textarea:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Structure validation highlight */
.structure-valid {
    border-color: #10b981 !important;
    background-color: #f0fdf4 !important;
}

.structure-invalid {
    border-color: #ef4444 !important;
    background-color: #fef2f2 !important;
}
/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .grid-cols-2 {
        grid-template-columns: 1fr;
    }
    
    .grid-cols-3 {
        grid-template-columns: 1fr;
    }
}