/* ========================================
   Gospel Gamers Linktree
   Cyberpunk + Music Studio Theme
   ======================================== */

/* CSS Variables - Updated dynamically by JS */
:root {
    --transition-speed: 0.3s;
    --border-radius: 12px;
    --button-3d-depth: 6px;
    --max-width: 680px;
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 20px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
}

/* ========================================
   Reset & Base Styles
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    background-image: var(--bg-gradient);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    transition: background var(--transition-speed) ease, color var(--transition-speed) ease;
}

a {
    color: inherit;
    text-decoration: none;
}

a:hover,
a:active,
a:visited {
    color: inherit;
}

/* ========================================
   Background Effects
   ======================================== */

.bg-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.glow-orb-1 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.glow-orb-2 {
    width: 300px;
    height: 300px;
    background: var(--accent-secondary);
    bottom: -80px;
    right: -80px;
    animation-delay: 7s;
}

.glow-orb-3 {
    width: 250px;
    height: 250px;
    background: var(--accent-tertiary);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 14s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-30px, 30px) scale(0.9);
    }
}

/* ========================================
   Theme Toggle Button
   ======================================== */

.theme-toggle {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 50px;
    height: 50px;
    background: var(--card-bg);
    border: 2px solid var(--accent);
    border-radius: 50%;
    color: var(--accent);
    font-size: 20px;
    cursor: pointer;
    z-index: 1000;
    transition: all var(--transition-speed) ease;
    box-shadow: 0 4px 0 var(--button-shadow),
                0 0 20px var(--glow);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 0 var(--button-shadow),
                0 0 30px var(--glow);
}

.theme-toggle:active {
    transform: translateY(2px);
    box-shadow: 0 2px 0 var(--button-shadow),
                0 0 15px var(--glow);
}

/* ========================================
   Main Container
   ======================================== */

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
    z-index: 10;
}

/* ========================================
   Profile Section
   ======================================== */

.profile-section {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.avatar-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid var(--accent);
    object-fit: cover;
    box-shadow: 0 0 40px var(--glow),
                0 8px 0 var(--button-shadow);
    transition: all var(--transition-speed) ease;
    animation: avatarPulse 5s ease-in-out infinite;
}

@keyframes avatarPulse {
    0%, 100% {
        box-shadow: 0 0 40px var(--glow),
                    0 8px 0 var(--button-shadow);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 60px var(--glow),
                    0 8px 0 var(--button-shadow);
        transform: scale(1.04);
    }
}

.username {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-secondary) 50%, var(--accent-tertiary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.5px;
    text-shadow: 0 0 30px var(--glow);
}

.bio {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 400px;
    margin: 0 auto;
    line-height: 1.5;
}

/* ========================================
   Social Links
   ======================================== */

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.social-icon {
    width: 60px;
    height: 60px;
    background: var(--card-bg);
    border: 2px solid var(--accent);
    border-radius: var(--border-radius);
    color: var(--text);
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-speed) ease;
}

.social-icon:hover {
    background: var(--card-bg-hover);
    border-color: var(--accent);
}

/* ========================================
   3D Button Effect (Duolingo-style)
   ======================================== */

.button-3d {
    position: relative;
    box-shadow: 0 var(--button-3d-depth) 0 var(--button-shadow);
    transform: translateY(0);
    transition: all var(--transition-speed) ease;
}

.button-3d:hover {
    transform: translateY(-2px);
    box-shadow: 0 calc(var(--button-3d-depth) + 2px) 0 var(--button-shadow),
                0 0 20px var(--glow);
}

.button-3d:active {
    transform: translateY(var(--button-3d-depth));
    box-shadow: 0 0 0 var(--button-shadow);
}

/* ========================================
   Main Links
   ======================================== */

.links-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.link-card {
    background: var(--card-bg);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    padding: var(--spacing-md) var(--spacing-md);
    text-decoration: none;
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all var(--transition-speed) ease;
    opacity: 0;
    transform: translateY(20px);
    backdrop-filter: blur(10px);
    background-image: linear-gradient(135deg, var(--card-bg) 0%, var(--card-bg) 100%);
    box-shadow: 0 var(--button-3d-depth) 0 var(--button-shadow);
    position: relative;
}

.link-card.visible {
    animation: slideInUp 0.5s ease forwards;
}

@keyframes slideInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.link-card:hover {
    background: var(--card-bg-hover);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 calc(var(--button-3d-depth) + 2px) 0 var(--button-shadow),
                0 0 20px var(--glow);
}

.link-card:active,
.link-card:active:hover {
    transform: translateY(var(--button-3d-depth)) !important;
    box-shadow: 0 0 0 var(--button-shadow);
}

.link-card:hover .link-icon {
    transform: scale(1.1) rotate(5deg);
    color: var(--accent);
}

.link-card:hover .link-arrow {
    transform: translateX(5px);
}

.link-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex: 1;
}

.link-icon {
    font-size: 24px;
    color: var(--accent);
    min-width: 24px;
    transition: all var(--transition-speed) ease;
}

.link-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.link-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text);
}

.link-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.link-arrow {
    font-size: 18px;
    color: var(--text-secondary);
    transition: all var(--transition-speed) ease;
}

/* ========================================
   Footer
   ======================================== */

.footer {
    text-align: center;
    padding: var(--spacing-lg) 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer i.fa-heart {
    color: var(--accent);
    margin: 0 4px;
}

.pulse {
    animation: pulse 1.5s ease infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

/* ========================================
   Fade In Animation
   ======================================== */

.fade-in {
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 768px) {
    :root {
        --spacing-xl: 32px;
        --spacing-lg: 24px;
        --max-width: 100%;
    }

    .username {
        font-size: 2rem;
    }

    .avatar {
        width: 100px;
        height: 100px;
    }

    .theme-toggle {
        width: 45px;
        height: 45px;
        font-size: 18px;
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }

    .link-card {
        padding: var(--spacing-sm) var(--spacing-lg);
    }

    .link-title {
        font-size: 1rem;
    }

    .link-icon {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .username {
        font-size: 1.75rem;
    }

    .bio {
        font-size: 0.95rem;
    }

    .social-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .container {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
}

/* ========================================
   Accessibility
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
a:focus,
button:focus {
    outline: none;
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
    .theme-toggle,
    .bg-effects {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .link-card {
        border: 1px solid #ccc;
        box-shadow: none;
    }
}