:root {
    --bg-color: #0f1115;
    --card-bg: #1a1d24;
    --card-border: #2c313c;
    --accent-gold: #e5b842;
    --accent-gold-hover: #fcd365;
    --accent-blue: #3498db;
    --accent-blue-hover: #2980b9;
    --text-main: #e2e4ed;
    --text-muted: #8b92a5;
    --input-bg: #121419;
    --success-green: #2ecc71;
    --warning-red: #e74c3c;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: 'Roboto', sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 30px 15px;
}

.container { max-width: 900px; width: 100%; }

header { text-align: center; margin-bottom: 35px; }

h1 {
    color: var(--accent-gold);
    font-size: 2rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.subtitle { color: var(--text-muted); font-size: 1rem; margin-top: 5px; }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 25px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 25px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.accent-card { border-top: 4px solid var(--accent-gold); }

h2 { font-size: 1.25rem; color: var(--text-main); margin-bottom: 8px; }
.card-desc { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 20px; line-height: 1.4; }
.warning { color: var(--warning-red); background: rgba(231, 76, 60, 0.1); padding: 10px; border-radius: 6px; }
.odyssey-warning { color: #f39c12; font-size: 0.8rem; margin: 15px 0; display: none; }

.form-group { margin-bottom: 18px; display: flex; flex-direction: column; }
label { font-size: 0.95rem; margin-bottom: 6px; font-weight: 500; color: var(--accent-gold); }

input, select {
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    padding: 12px;
    color: #fff;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

input:focus, select:focus { border-color: var(--accent-gold); }
.xp-limit { font-size: 0.8rem; color: var(--text-muted); margin-top: 6px; }

.result-box {
    margin-top: auto;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 15px;
}
.result-box.accent { border-color: rgba(229, 184, 66, 0.5); background: rgba(229, 184, 66, 0.05); }

.result-label { display: block; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 8px; }

.result-value-wrapper { display: flex; justify-content: space-between; align-items: center; }
.result-value { font-size: 1.8rem; font-weight: 700; color: #fff; font-family: monospace; }
.result-box.accent .result-value { color: var(--accent-gold); }

.copy-btn {
    background: var(--card-border);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 8px 14px;
    cursor: pointer;
    transition: background 0.2s;
}
.copy-btn:hover { background: #3a404f; }

.step-title { font-size: 1.1rem; color: var(--accent-gold); margin-bottom: 10px; }
.step-instruction { font-size: 0.95rem; margin-bottom: 10px; }
.note { color: var(--text-muted); font-size: 0.85rem; margin-top: 15px; }

.advance-btn {
    margin-top: 15px;
    width: 100%;
    background: var(--accent-blue);
    color: #fff;
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s;
}
.advance-btn:hover { background: var(--accent-blue-hover); }

@media (max-width: 480px) { .grid { grid-template-columns: 1fr; } }