:root {
    --fortune-bg: #06111a;
    --fortune-panel: #0d1e2b;
    --fortune-gold: #d4af37;
    --fortune-amber: #f59e0b;
    --fortune-emerald: #10b981;
    --fortune-text: #f3f4f6;
    --fortune-muted: #9ca3af;
}

body {
    background-color: var(--fortune-bg);
    color: var(--fortune-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    background-image: radial-gradient(circle at 50% -20%, #1e3a8a 0%, transparent 60%);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 60px 20px;
}

/* Header: Classic Elegance */
header {
    text-align: center;
    margin-bottom: 70px;
}

header h1 {
    font-family: "Georgia", "Times New Roman", serif;
    font-size: 52px;
    font-weight: 400;
    letter-spacing: 2px;
    margin: 0;
    color: var(--fortune-gold);
    text-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

header p {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--fortune-muted);
    margin-top: 10px;
}

/* Tabs: Minimal Golden Rule */
.fortune-tabs {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 60px;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.tab-btn {
    background: none;
    border: none;
    color: var(--fortune-muted);
    padding: 15px 0;
    cursor: pointer;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    transition: 0.3s;
}

.tab-btn:hover { color: var(--fortune-gold); }
.tab-btn.active { color: var(--fortune-gold); }
.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--fortune-gold);
    box-shadow: 0 0 10px var(--fortune-gold);
}

/* Panel: Dark Luxury Marble Style */
.fortune-panel {
    background: var(--fortune-panel);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 4px; /* Classic sharp corners */
    padding: 40px;
    box-shadow: 0 25px 60px rgba(0,0,0,0.6);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

label {
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    color: var(--fortune-gold);
    letter-spacing: 2px;
    margin-bottom: 12px;
    font-weight: 700;
}

select, input {
    width: 100%;
    background: #05101a;
    border: 1px solid rgba(212, 175, 55, 0.3);
    color: #fff;
    padding: 15px;
    font-size: 15px;
    outline: none;
    transition: 0.3s;
}

select:focus, input:focus {
    border-color: var(--fortune-gold);
    background: #000;
}

.run-btn {
    width: 100%;
    margin-top: 40px;
    padding: 20px;
    background: transparent;
    border: 1px solid var(--fortune-gold);
    color: var(--fortune-gold);
    font-family: inherit;
    font-size: 16px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 4px;
    cursor: pointer;
    transition: 0.4s;
}

.run-btn:hover {
    background: var(--fortune-gold);
    color: #000;
    box-shadow: 0 0 25px rgba(212, 175, 55, 0.3);
}

/* Stock Nodes: Prosperity Cards */
.stock-node {
    margin-bottom: 25px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.02);
    border-left: 3px solid var(--fortune-gold);
    transition: 0.3s;
}

.stock-node:hover {
    background: rgba(255, 255, 255, 0.04);
}

.score-box {
    width: 50px; height: 50px;
    border: 1px solid var(--fortune-gold);
    display: flex; align-items: center; justify-content: center;
    color: var(--fortune-gold); font-weight: 900; font-size: 20px;
    margin-right: 25px;
}

.loading-fortune {
    display: none;
    text-align: center;
    padding: 60px;
}

.coin-spin {
    width: 60px; height: 60px;
    border: 3px solid var(--fortune-gold);
    border-radius: 50%;
    margin: 0 auto 30px;
    animation: flip 1.5s infinite linear;
}

@keyframes flip {
    0% { transform: rotateY(0deg); }
    100% { transform: rotateY(360deg); }
}

.history-line {
    padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,0.05);
    display: flex; justify-content: space-between; align-items: center;
}

.f-badge {
    font-size: 9px; padding: 2px 8px; border: 1px solid; border-radius: 2px;
}
.f-recom { color: var(--fortune-emerald); border-color: var(--fortune-emerald); }
.f-diag { color: var(--fortune-amber); border-color: var(--fortune-amber); }

@media (max-width: 768px) {
    header h1 { font-size: 36px; }
    .fortune-tabs { gap: 20px; }
}