@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;700&family=Inter:wght@400;500;600;800&display=swap');

:root {
    --bg-color: #050b14;
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --accent-red: #f43f5e;
    --accent-red-hover: #e11d48;
    --accent-glow: rgba(244, 63, 94, 0.4);
    --glass-bg: rgba(15, 23, 42, 0.6);
    --glass-bg-hover: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --terminal-bg: #000000;
}

[data-theme="light"] {
    --bg-color: #f8fafc;
    --text-color: #0f172a;
    --text-muted: #475569;
    --accent-glow: rgba(244, 63, 94, 0.2);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-bg-hover: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(0, 0, 0, 0.1);
    --terminal-bg: #1e293b;
}

[data-theme="light"] .bg-gradient {
    background: 
        radial-gradient(circle at 50% 50%, rgba(244, 63, 94, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 20% 80%, rgba(30, 64, 175, 0.05) 0%, transparent 40%);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    -webkit-user-select: none; /* Safari */
    -ms-user-select: none; /* IE 10+ */
    user-select: none; /* Standard syntax */
}

/* Dynamic Background Elements */
.bg-gradient {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 50% 50%, rgba(244, 63, 94, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 20% 80%, rgba(30, 64, 175, 0.1) 0%, transparent 40%);
    z-index: -1;
    animation: rotateBg 30s linear infinite;
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

/* Hero Section */
header {
    text-align: center;
    margin-bottom: 5rem;
    padding-top: 3rem;
    animation: fadeInDown 1s ease-out;
}

h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: -2px;
    color: var(--text-color);
    text-shadow: 0 0 30px var(--accent-glow);
    position: relative;
    display: inline-block;
}

/* Glitch Effect for Title */
h1::before, h1::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    z-index: -1;
}

h1::before {
    left: 2px;
    text-shadow: -2px 0 #0ff;
    animation: glitch-anim-1 2s infinite linear alternate-reverse;
}

h1::after {
    left: -2px;
    text-shadow: -2px 0 var(--accent-red);
    animation: glitch-anim-2 3s infinite linear alternate-reverse;
}

.subtitle {
    font-size: clamp(1.1rem, 3vw, 1.3rem);
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
    font-weight: 400;
}

/* Warning Banner */
.warning-banner {
    background: linear-gradient(90deg, rgba(244, 63, 94, 0.15) 0%, rgba(244, 63, 94, 0.05) 100%);
    border-left: 4px solid var(--accent-red);
    border-radius: 0 12px 12px 0;
    padding: 1.5rem 2rem;
    margin: 0 auto 4rem auto;
    max-width: 900px;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    position: relative;
    overflow: hidden;
}

.warning-banner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    box-shadow: inset 0 0 20px rgba(244, 63, 94, 0.1);
    animation: pulse 2s infinite;
    pointer-events: none;
}

.warning-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

/* Grid Layout for Cards */
.grid-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    perspective: 1000px;
    max-width: 1000px;
    margin: 0 auto;
}

/* Card Styling */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2.5rem;
    align-items: center;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    opacity: 0;
    transform: translateY(30px) rotateX(5deg);
}

.card-content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.5), 0 0 30px rgba(244, 63, 94, 0.2);
    border-color: rgba(244, 63, 94, 0.4);
    background: var(--glass-bg-hover);
}

h2 {
    font-size: 1.8rem;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 600;
}

h2::before {
    content: '';
    display: inline-block;
    width: 10px;
    height: 10px;
    background: var(--accent-red);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--accent-red);
}

.card p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

/* Terminal Code Block */
.code-wrapper {
    position: relative;
    margin: 1.5rem 0;
}

.code-block {
    background: var(--terminal-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 2.5rem 1.5rem 1.5rem 1.5rem;
    font-family: 'Fira Code', monospace;
    position: relative;
    overflow: hidden;
}

.code-block::before {
    content: 'Terminal';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: #1e293b;
    padding: 0.4rem 1rem;
    font-size: 0.75rem;
    color: #94a3b8;
    font-family: 'Inter', sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
}

.code-block code {
    color: #a5b4fc;
    font-size: 1rem;
    display: block;
    word-break: break-all;
}

/* Copy Button */
.copy-btn {
    position: absolute;
    top: 0.3rem;
    right: 0.5rem;
    background: transparent;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    padding: 0.3rem;
    border-radius: 4px;
    transition: all 0.2s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.copy-btn:hover {
    color: var(--text-color);
    background: rgba(255, 255, 255, 0.1);
}

.copy-btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.copy-feedback {
    position: absolute;
    top: 0.5rem;
    right: 2.5rem;
    font-size: 0.75rem;
    color: #10b981;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.copy-feedback.show {
    opacity: 1;
}

/* Lists */
ul {
    list-style-type: none;
    margin-top: auto;
}

ul li {
    margin-bottom: 0.8rem;
    position: relative;
    padding-left: 1.8rem;
    font-size: 0.95rem;
    color: var(--text-muted);
}

ul li strong {
    color: var(--text-color);
}

ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-red);
    font-weight: bold;
}

.footer-link {
    color: var(--accent-red);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease, text-shadow 0.2s ease;
}

.footer-link:hover {
    color: var(--text-color);
    text-shadow: 0 0 10px var(--accent-glow);
}

footer {
    text-align: center;
    margin-top: 6rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: #64748b;
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

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

/* Theme Toggle Button */
.theme-toggle {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    z-index: 100;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 0 15px var(--accent-glow);
}

.theme-toggle svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
    transition: transform 0.3s ease;
}

@media (max-width: 768px) {
    .theme-toggle {
        top: 1rem;
        right: 1rem;
    }
}

@keyframes rotateBg {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes glitch-anim-1 {
    0% { clip: rect(20px, 9999px, 85px, 0); }
    20% { clip: rect(62px, 9999px, 14px, 0); }
    40% { clip: rect(34px, 9999px, 56px, 0); }
    60% { clip: rect(98px, 9999px, 20px, 0); }
    80% { clip: rect(10px, 9999px, 73px, 0); }
    100% { clip: rect(55px, 9999px, 90px, 0); }
}

@keyframes glitch-anim-2 {
    0% { clip: rect(85px, 9999px, 20px, 0); }
    20% { clip: rect(14px, 9999px, 62px, 0); }
    40% { clip: rect(56px, 9999px, 34px, 0); }
    60% { clip: rect(20px, 9999px, 98px, 0); }
    80% { clip: rect(73px, 9999px, 10px, 0); }
    100% { clip: rect(90px, 9999px, 55px, 0); }
}

/* Media Queries for Responsiveness */
@media (max-width: 768px) {
    .container {
        padding: 2rem 1rem;
    }
    
    header {
        margin-bottom: 3rem;
    }
    
    .warning-banner {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
        border-left: none;
        border-top: 4px solid var(--accent-red);
        border-radius: 0 0 12px 12px;
    }
    
    .grid-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .card {
        padding: 1.8rem;
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
}