:root {
    --bg: #f8fafc;
    --zen-teal: #14b8a6;
    --zen-dim: rgba(20, 184, 166, 0.05);
    --glass: rgba(255, 255, 255, 0.8);
    --border: rgba(20, 184, 166, 0.1);
    --text: #1e293b;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Outfit', 'Inter', sans-serif;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center; justify-content: center;
    background-image: radial-gradient(circle at 50% 50%, #ffffff 0%, #f1f5f9 100%);
}

.back-btn {
    position: fixed; top: 20px; left: 20px; padding: 8px 20px;
    background: var(--glass); border: 1px solid var(--border);
    border-radius: 30px; color: var(--zen-teal);
    text-decoration: none; font-size: 0.75rem; letter-spacing: 2px;
    backdrop-filter: blur(15px); z-index: 1000; transition: 0.3s;
}
.back-btn:hover { background: var(--zen-teal); color: #fff; }

.zen-container {
    text-align: center; max-width: 600px;
}

/* BREATHING CIRCLE */
.zen-circle-wrapper {
    position: relative; width: 300px; height: 300px;
    max-width: 80vw; max-height: 80vw;
    margin: 0 auto 50px;
}

@media (max-width: 600px) {
    .zen-phase { font-size: 1.1rem; letter-spacing: 4px; }
    .gas-oracle { gap: 15px; }
    .gas-value { font-size: 1rem; }
    .zen-quote { font-size: 0.8rem; padding: 0 20px; }
}

.zen-circle {
    width: 100%; height: 100%;
    background: radial-gradient(circle, var(--zen-dim) 0%, transparent 70%);
    border: 1px solid var(--border);
    border-radius: 50%;
    animation: breathe 8s ease-in-out infinite;
    display: flex; align-items: center; justify-content: center;
}

@keyframes breathe {
    0%, 100% { transform: scale(0.8); opacity: 0.3; }
    50% { transform: scale(1.2); opacity: 1; }
}

.zen-phase {
    font-size: 1.5rem; font-weight: 200; letter-spacing: 8px;
    color: var(--zen-teal); text-transform: uppercase;
}

/* GAS ORACLE */
.gas-oracle {
    display: flex; justify-content: center; gap: 30px; margin-bottom: 40px;
}

.gas-item {
    text-align: center;
}

.gas-label { font-size: 0.6rem; color: #94a3b8; letter-spacing: 2px; margin-bottom: 5px; text-transform: uppercase; }
.gas-value { font-size: 1.2rem; font-weight: 700; color: var(--text); }

/* QUOTE */
.zen-quote {
    font-size: 0.9rem; color: #64748b; line-height: 1.8;
    font-style: italic; padding: 0 40px;
}

/* UI OVERLAYS */
.status-indicator {
    position: fixed; bottom: 40px; width: 100%; text-align: center;
    font-size: 0.65rem; letter-spacing: 3px; color: #cbd5e1;
}