@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

:root {
    --grass: #6aa84f;
    --grass-dark: #4c7a37;
    --dirt: #8a5a2b;
    --dirt-dark: #5e3d1c;
    --stone: #8a8a8a;
    --stone-dark: #5c5c5c;
    --diamond: #4ad0e6;
    --gold: #ffd93d;
    --paper: #f4e9d8;
    --ink: #2b2018;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    background: repeating-linear-gradient(
        45deg,
        var(--grass),
        var(--grass) 40px,
        var(--grass-dark) 40px,
        var(--grass-dark) 80px
    );
    font-family: 'Press Start 2P', 'Courier New', monospace;
    color: var(--ink);
}

.wrap {
    max-width: 640px;
    margin: 24px auto;
    padding: 0 12px;
}

.card {
    background: var(--paper);
    border: 6px solid var(--dirt-dark);
    box-shadow:
        0 0 0 6px var(--dirt),
        8px 8px 0 rgba(0,0,0,0.35);
    padding: 24px;
    margin-bottom: 20px;
    image-rendering: pixelated;
}

h1, h2 {
    font-size: 16px;
    line-height: 1.6;
    text-shadow: 2px 2px 0 rgba(0,0,0,0.15);
    margin-top: 0;
}

h1 { color: var(--dirt-dark); }
h2 { color: var(--grass-dark); font-size: 13px; }

p, li {
    font-family: 'Courier New', monospace;
    font-size: 16px;
    line-height: 1.6;
}

.riddle {
    white-space: pre-line;
    background: #fffdf6;
    border: 3px dashed var(--stone-dark);
    padding: 16px;
    margin: 16px 0;
    font-size: 15px;
}

.pixel-btn {
    display: inline-block;
    font-family: 'Press Start 2P', monospace;
    font-size: 12px;
    color: #fff;
    background: var(--grass-dark);
    border: none;
    box-shadow:
        0 0 0 4px var(--dirt-dark),
        4px 4px 0 rgba(0,0,0,0.35);
    padding: 12px 18px;
    cursor: pointer;
    text-decoration: none;
    margin-top: 12px;
}

.pixel-btn:hover { background: var(--grass); }

.pixel-btn.gold {
    background: #c98a1f;
    box-shadow: 0 0 0 4px #8a5a10, 4px 4px 0 rgba(0,0,0,0.35);
}

input[type=text] {
    font-family: 'Courier New', monospace;
    font-size: 16px;
    padding: 10px;
    width: 100%;
    border: 3px solid var(--stone-dark);
    background: #fff;
    margin-bottom: 6px;
}

label {
    display: block;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    margin-bottom: 4px;
    margin-top: 12px;
}

.error {
    background: #ffdcdc;
    border: 3px solid #c0392b;
    color: #7a1f1f;
    padding: 10px 14px;
    margin-bottom: 14px;
    font-family: 'Courier New', monospace;
}

.success {
    background: #dff5d8;
    border: 3px solid var(--grass-dark);
    color: #2c5222;
    padding: 14px;
    margin-bottom: 14px;
    font-family: 'Courier New', monospace;
    white-space: pre-line;
}

.item-box {
    background: #fff2cc;
    border: 3px solid var(--gold);
    padding: 12px;
    margin: 14px 0;
    font-family: 'Courier New', monospace;
}

.code-display {
    font-family: 'Press Start 2P', monospace;
    font-size: 32px;
    letter-spacing: 10px;
    color: var(--dirt-dark);
    text-align: center;
    background: var(--diamond);
    border: 4px solid #1c7a8a;
    padding: 20px;
    margin: 20px 0;
}

.progress-dots {
    display: flex;
    gap: 8px;
    margin: 12px 0 20px;
}

.dot {
    width: 18px;
    height: 18px;
    border: 2px solid var(--dirt-dark);
    background: var(--stone);
}

.dot.done { background: var(--gold); }

.cipher-box {
    background: #eaf3ff;
    border: 3px solid #3f6fae;
    padding: 14px;
    margin: 14px 0;
    font-family: 'Courier New', monospace;
}

.pigpen-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    margin: 10px 0;
}

.pigpen-cell {
    display: inline-flex;
}

.pigpen-symbol {
    color: var(--ink);
}

.pigpen-plain {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    font-family: 'Courier New', monospace;
    font-size: 18px;
    font-weight: bold;
}

.pigpen-gap {
    width: 16px;
}

.hint-box {
    background: #fff9e0;
    border: 2px dashed #c98a1f;
    padding: 10px 12px;
    margin: 10px 0;
    font-family: 'Courier New', monospace;
    font-size: 14px;
}

footer {
    text-align: center;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: #fff;
    text-shadow: 1px 1px 0 rgba(0,0,0,0.4);
    padding: 20px 0;
}