/* Variabel Warna & Font Dasar */
:root {
    --bg-primary: #000000;
    --bg-glass: rgba(10, 10, 10, 0.15); 
    --border-glass: rgba(255, 255, 255, 0.1);
    --text-primary: #f1f5f9;
    --accent-blue: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.5);
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
    padding-top: 80px; /* Add padding for fixed header */
}

#starfield {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none;
}

/* Panel Kaca Transparan */
.glass-container {
    background: var(--bg-glass);
    backdrop-filter: blur(8px); 
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4); 
}

.glass-container-nav {
    background: rgba(10, 10, 10, 0.3); /* Slightly more opaque for nav */
    backdrop-filter: blur(10px); 
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-glass);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.link-button {
    transition: all 0.3s;
    border: 1px solid var(--border-glass);
    background: rgba(20, 20, 20, 0.3);
    position: relative; overflow: hidden; border-radius: 12px;
}

.link-button:hover {
    background: rgba(40, 40, 40, 0.6);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.25);
    border-color: var(--accent-glow);
}

.link-button::before {
    content: ''; position: absolute; top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s;
    pointer-events: none;
}

.link-button:hover::before { left: 100%; }

.pulse-ring {
    position: absolute; top: -8px; left: -8px; right: -8px; bottom: -8px;
    border: 2px solid var(--accent-glow);
    border-radius: 50%;
}

.skill-badge {
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.3), rgba(59, 130, 246, 0.2));
    color: #93c5fd; 
    border: 1px solid rgba(59, 130, 246, 0.4);
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
}

.skill-badge:hover {
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.5), rgba(59, 130, 246, 0.4));
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.music-active {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.4), rgba(37, 99, 235, 0.5)) !important;
    animation: pulse-glow 2s ease-in-out infinite;
    border-color: var(--accent-blue) !important;
}

/* Navigation Links */
.nav-link {
    color: var(--text-primary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--accent-blue);
    transition: width 0.3s ease-out;
}

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

.nav-link:hover,
.nav-link.active {
    background-color: rgba(59, 130, 246, 0.1);
    color: #93c5fd;
}

/* === KEYFRAMES (Managed by Tailwind CSS) === */
/* The .animated-element rule was removed to fix a click-through issue. */
/* Animations are now defined in tailwind.config.js */

.loading-overlay { 
    transition: opacity 0.5s ease-out; 
}

.loading-overlay.hidden { 
    opacity: 0; 
    pointer-events: none; 
}

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

/* --- STYLING UNTUK PERSONAL SECTION --- */

.personal-section {
    background: rgba(15, 15, 15, 0.4);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.personal-section:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.15);
}

.section-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.screenshot-img {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--border-glass);
    transition: all 0.3s ease;
}

.screenshot-img:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.repo-card {
    background: rgba(15, 15, 15, 0.4);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.repo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(59, 130, 246, 0.2);
}

@media (max-width: 768px) {
    body {
        padding-top: 100px; /* Adjust padding for smaller screens */
    }

    .glass-container-nav {
        padding: 0.75rem 1rem;
    }

    .nav-link {
        padding: 0.4rem 0.8rem;
        font-size: 0.9rem;
    }
}

/* New Styles for Sections */
section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Back to Top Button */
#back-to-top {
    transform-origin: bottom right;
}

#back-to-top.show {
    opacity: 1;
    scale: 1;
}

/* Custom animation delays */
.custom-delay-1 {
    animation-delay: 0.1s;
}

.custom-delay-2 {
    animation-delay: 0.2s;
}

.custom-delay-4 {
    animation-delay: 0.4s;
}

.custom-delay-6 {
    animation-delay: 0.6s;
}

/* Add a clear outline on keyboard focus for better accessibility */
.link-button:focus-visible,
.nav-link:focus-visible,
#back-to-top:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
    box-shadow: 0 0 15px var(--accent-glow); /* Optional: adds a nice glow effect */
}

/* Loading indicators */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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