/* Shared Style System for AI Tools Pedia */

:root {
    --color-background: #121315;
    --color-on-background: #e3e2e4;
    --color-surface-container: #1f2022;
    --color-surface-container-high: #292a2c;
    --color-outline-variant: #3b494b;
    --color-primary-container: #00f0ff;
    --color-primary-container-rgb: 0, 240, 255;
    --color-text-muted: #8e95a1;
}

body {
    background-color: var(--color-background);
    color: var(--color-on-background);
    -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0d0e10;
}
::-webkit-scrollbar-thumb {
    background: #343537;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #849495;
}

/* Glassmorphism Panels */
.glass-panel {
    background: rgba(41, 42, 44, 0.4);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(var(--color-primary-container-rgb), 0.15);
    box-shadow: 0 8px 32px 0 rgba(var(--color-primary-container-rgb), 0.05);
}

.glass-card {
    background: linear-gradient(180deg, rgba(18, 20, 28, 0.9) 0%, rgba(18, 20, 28, 0.7) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
}
.glass-card:hover {
    box-shadow: 0 0 20px rgba(var(--color-primary-container-rgb), 0.1);
    border-color: rgba(var(--color-primary-container-rgb), 0.3);
}

/* Category Cards with Mouse Tracking Hover Glow */
.category-card {
    background: var(--color-surface-container);
    border: 1px solid var(--color-outline-variant);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: radial-gradient(800px circle at var(--mouse-x, 50%) var(--mouse-y, 0%), rgba(var(--color-primary-container-rgb), 0.06), transparent 40%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
    z-index: 0;
}

.category-card:hover {
    border-color: var(--color-primary-container);
    box-shadow: 0 10px 40px -10px rgba(var(--color-primary-container-rgb), 0.2);
    transform: translateY(-4px);
}

.category-card:hover::before {
    opacity: 1;
}

.category-card > * {
    position: relative;
    z-index: 1;
}

.category-card:hover .icon-container {
    color: var(--color-primary-container);
    background: rgba(var(--color-primary-container-rgb), 0.15);
    box-shadow: 0 0 20px rgba(var(--color-primary-container-rgb), 0.2);
}

/* Grids and Textures */
.bg-grid-texture {
    background-size: 40px 40px;
    background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
}

.bg-grid-pattern {
    background-image: linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
                      linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* Text Gradient Effect */
.text-gradient {
    background: linear-gradient(90deg, #00F0FF, #00dbe9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glowing Utilities */
.glow-accent {
    box-shadow: 0 0 15px rgba(var(--color-primary-container-rgb), 0.15);
}

.glow-focus:focus-within {
    box-shadow: 0 0 0 1px rgba(var(--color-primary-container-rgb), 0.5), 0 0 8px rgba(var(--color-primary-container-rgb), 0.2);
    border-color: rgba(var(--color-primary-container-rgb), 0.8);
}

.input-glow:focus-within {
    border-color: var(--color-primary-container);
    box-shadow: 0 0 20px rgba(var(--color-primary-container-rgb), 0.25);
}