:root {
    --bg-color: #050505;
    --card-bg: rgba(20, 20, 20, 0.7);
    --text-color: #e0e0e0;
    --accent-primary: #00f2ff;
    --accent-secondary: #7000ff;
    --accent-gradient: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    --border-color: rgba(255, 255, 255, 0.1);
}

* {
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    margin: 0;
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 50% 50%, rgba(112, 0, 255, 0.05) 0%, transparent 50%),
        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: 100% 100%, 40px 40px, 40px 40px;
    color: var(--text-color);
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

body::after {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        rgba(18, 16, 16, 0) 50%,
        rgba(0, 0, 0, 0.1) 50%
    );
    background-size: 100% 4px;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.3;
}

.container {
    max-width: 1000px;
    width: 100%;
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.header {
    text-align: center;
    margin-bottom: 40px;
}

.header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin: 0;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    letter-spacing: 4px;
    filter: drop-shadow(0 0 10px rgba(0, 242, 255, 0.3));
}

.header p {
    color: #888;
    letter-spacing: 2px;
    font-size: 0.9rem;
    margin-top: 10px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.btn {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px 16px;
    text-align: center;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
}

.btn:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 242, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 242, 255, 0.1);
    background: rgba(30, 30, 30, 0.8);
}

.btn:hover::before {
    transform: scaleX(1);
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    padding: 32px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    max-width: 900px;
    margin: auto;
    width: 100%;
}

.viewer {
    width: 100%;
    height: 75vh;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-top: 20px;
    background: #111;
}

.actions {
    margin-top: 24px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.action {
    padding: 12px 20px;
    border-radius: 10px;
    background: var(--accent-gradient);
    color: white;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
}

.action:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(112, 0, 255, 0.4);
    filter: brightness(1.1);
}

.back {
    display: inline-flex;
    align-items: center;
    margin-bottom: 20px;
    text-decoration: none;
    color: var(--accent-primary);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.back:hover {
    color: var(--accent-secondary);
    transform: translateX(-5px);
}

h2 {
    margin: 0 0 20px 0;
    font-size: 1.8rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Scrollbar styling for tech look */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}