:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --code-bg: #090d16;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #38bdf8;
    --border-color: #334155;
    --hover-color: #1e293b;
    --toast-bg: #10b981;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    display: flex;
    justify-content: center;
    padding: 40px 20px;
    min-height: 100vh;
}

.wrapper {
    max-width: 900px;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.card-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.os-icon {
    font-size: 1.4rem;
    color: var(--accent-color);
}

.container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.box {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.info {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.code-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    border-radius: 10px;
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    transition: border-color 0.2s ease;
}

.code-box:hover {
    border-color: #475569;
}

code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    color: #e2e8f0;
}

.copy-btn {
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    transition: color 0.2s ease, transform 0.1s ease;
}

.copy-btn:hover {
    color: var(--accent-color);
}

.copy-btn:active {
    transform: scale(0.9);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--toast-bg);
    color: #ffffff;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}