/* ============================================================================
   LeafAI - Custom Styles
   Futuristic, Modern, Glassmorphism Design
   ============================================================================ */

/* Base Styles */
:root {
    --neon-teal: #00d4aa;
    --neon-green: #00ff88;
    --neon-cyan: #00e5ff;
    --neon-purple: #a855f7;
    --space-900: #0a0a0f;
    --space-800: #0f0f1a;
    --space-700: #151525;
    --space-600: #1a1a2e;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--space-900);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-teal), var(--neon-green));
    border-radius: 4px;
}

/* Selection */
::selection {
    background: rgba(0, 212, 170, 0.3);
    color: white;
}

/* Glass Card Effect */
.glass-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s ease;
}

.glass-card:hover {
    border-color: rgba(0, 212, 170, 0.2);
    box-shadow: 0 8px 32px rgba(0, 212, 170, 0.1);
}

/* Neon Glow Effects */
.neon-glow {
    box-shadow: 
        0 0 5px var(--neon-teal),
        0 0 10px var(--neon-teal),
        0 0 20px var(--neon-teal),
        0 0 40px var(--neon-teal);
}

.neon-text {
    text-shadow: 
        0 0 5px var(--neon-teal),
        0 0 10px var(--neon-teal),
        0 0 20px var(--neon-teal);
}

/* Animations */
@keyframes glow {
    from {
        box-shadow: 0 0 5px var(--neon-teal), 0 0 10px var(--neon-teal);
    }
    to {
        box-shadow: 0 0 10px var(--neon-teal), 0 0 20px var(--neon-teal), 0 0 30px var(--neon-teal);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes pulse-ring {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Feature Card Hover Effect */
.feature-card:hover .feature-card-inner {
    transform: translateY(-5px);
}

/* Gradient Text Animation */
.gradient-text-animated {
    background: linear-gradient(90deg, var(--neon-teal), var(--neon-green), var(--neon-cyan), var(--neon-teal));
    background-size: 300% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient 4s ease infinite;
}

/* Upload Area Styles */
#upload-area {
    transition: all 0.3s ease;
}

#upload-area:hover {
    border-color: var(--neon-teal);
    background: rgba(0, 212, 170, 0.05);
}

#upload-area.dragover {
    border-color: var(--neon-green);
    background: rgba(0, 255, 136, 0.1);
    transform: scale(1.02);
}

/* Button Styles */
.btn-primary {
    background: linear-gradient(135deg, var(--neon-teal) 0%, var(--neon-green) 100%);
    color: var(--space-900);
    font-weight: 600;
    padding: 12px 24px;
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--neon-green) 0%, var(--neon-cyan) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(0, 212, 170, 0.3);
}

.btn-primary span {
    position: relative;
    z-index: 1;
}

/* Navigation Link Hover Effect */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-teal), var(--neon-green));
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Progress Bar Animation */
.progress-bar-animated {
    animation: progress-grow 1.5s ease-out forwards;
}

@keyframes progress-grow {
    from {
        width: 0;
    }
}

/* Card 3D Effect */
.card-3d {
    perspective: 1000px;
}

.card-3d-inner {
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.card-3d:hover .card-3d-inner {
    transform: rotateY(5deg) rotateX(5deg);
}

/* Floating Animation */
.floating {
    animation: float 6s ease-in-out infinite;
}

/* Pulse Animation */
.pulse-ring {
    position: relative;
}

.pulse-ring::before {
    content: '';
    position: absolute;
    inset: -4px;
    border: 2px solid var(--neon-teal);
    border-radius: inherit;
    animation: pulse-ring 2s ease-out infinite;
}

/* Responsive Helpers */
@media (max-width: 768px) {
    .glass-card {
        padding: 1rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
}

/* Custom Loader */
.loader {
    width: 40px;
    height: 40px;
    border: 3px solid transparent;
    border-top-color: var(--neon-teal);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Circular Progress */
.circular-progress {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: conic-gradient(
        var(--neon-teal) var(--progress, 0%),
        rgba(255, 255, 255, 0.1) var(--progress, 0%)
    );
    display: flex;
    align-items: center;
    justify-content: center;
}

.circular-progress::before {
    content: '';
    position: absolute;
    width: 100px;
    height: 100px;
    background: var(--space-800);
    border-radius: 50%;
}

.circular-progress span {
    position: relative;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--neon-teal);
}

/* Smooth Transitions */
* {
    scroll-behavior: smooth;
}

/* Focus States */
button:focus,
a:focus,
input:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--neon-teal);
}

/* Image Hover Effect */
.image-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.image-hover:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 212, 170, 0.2);
}

/* Tooltip */
.tooltip {
    position: relative;
}

.tooltip::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    padding: 8px 12px;
    background: var(--space-600);
    color: white;
    font-size: 12px;
    border-radius: 8px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.tooltip:hover::before {
    opacity: 1;
    visibility: visible;
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.05) 25%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0.05) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}