:root {
    color-scheme: dark;
    --bg: #0b101a;
    --panel: #141b2b;
    --panel-2: #0f1524;
    --accent: #ffcc4d;
    --text: #e8f0ff;
    --muted: #9aa7c7;
    --line: rgba(255, 255, 255, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(circle at top, #1a2240 0%, #0b101a 55%, #090d16 100%);
    color: var(--text);
    font-family: "Courier New", "Lucida Console", monospace;
    letter-spacing: 0.02em;
}

.screen {
    max-width: 960px;
    margin: 0 auto;
    padding: 48px 24px 64px;
}

.hero {
    margin-bottom: 32px;
}

.back {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.95rem;
}

.badge {
    display: inline-block;
    margin-top: 12px;
    padding: 6px 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(255, 204, 77, 0.08);
}

h1 {
    margin: 16px 0 8px;
    font-size: 2.2rem;
}

.subtitle {
    margin: 0;
    color: var(--muted);
    font-size: 1.05rem;
}

.panel {
    background: linear-gradient(160deg, var(--panel) 0%, var(--panel-2) 100%);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 28px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.45);
}

.controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 18px;
}

.control label {
    display: block;
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 6px;
}

.control input,
.control select {
    width: 100%;
    background: #0c1220;
    border: 1px solid var(--line);
    color: var(--text);
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 0.95rem;
}

.buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 18px;
}

.btn {
    border: 1px solid transparent;
    padding: 10px 18px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.1s ease, border 0.2s ease;
    font-family: inherit;
}

.btn.primary {
    background: var(--accent);
    color: #1d1b10;
}

.btn.ghost {
    background: transparent;
    border-color: var(--line);
    color: var(--text);
}

.btn:active {
    transform: translateY(1px);
}

.canvas-wrap {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: #05070f;
    padding: 18px;
}

#postcard {
    width: 100%;
    max-width: 640px;
    display: block;
    margin: 0 auto;
    image-rendering: pixelated;
    border-radius: 12px;
    box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.12), 0 18px 30px rgba(0, 0, 0, 0.45);
}

.scanlines {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.15),
        rgba(0, 0, 0, 0.15) 2px,
        rgba(0, 0, 0, 0) 2px,
        rgba(0, 0, 0, 0) 4px
    );
    mix-blend-mode: soft-light;
    pointer-events: none;
}

.status {
    margin-top: 16px;
    color: var(--muted);
    font-size: 0.9rem;
}

.footer {
    margin-top: 28px;
    color: var(--muted);
    text-align: center;
    font-size: 0.9rem;
}

@media (max-width: 720px) {
    .screen {
        padding: 36px 18px 56px;
    }

    h1 {
        font-size: 1.8rem;
    }

    .panel {
        padding: 20px;
    }
}