:root {
    --bg-color: #f3f4f6;
    --card-bg: rgba(255, 255, 255, 0.8);
    --card-border: rgba(229, 231, 235, 1);
    --text-main: #1f2937;
    --text-muted: #4b5563;
    --accent-color: #2563eb;
    --badge-bg: #dcfce7;
    --badge-text: #166534;
}

[data-theme="dark"] {
    --bg-color: #0b0f19;
    --card-bg: rgba(17, 24, 39, 0.7);
    --card-border: rgba(37, 99, 235, 0.2);
    --text-main: #f9fafb;
    --text-muted: #9ca3af;
    --accent-color: #60a5fa;
    --badge-bg: rgba(22, 101, 52, 0.3);
    --badge-text: #4ade80;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.container {
    padding: 20px;
    width: 100%;
    max-width: 500px;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    text-align: center;
}

.status-badge {
    display: inline-block;
    background-color: var(--badge-bg);
    color: var(--badge-text);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.5;
}

.divider {
    height: 1px;
    background-color: var(--card-border);
    margin: 30px 0;
}

.description {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 30px;
}

.tech-stack {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.tech-stack span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    background-color: var(--card-border);
    padding: 4px 10px;
    border-radius: 6px;
    font-weight: 700;
}

#theme-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 10px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

#theme-toggle:hover {
    transform: scale(1.05);
}