/* ═══════════════════════════════════════════════════════
   MODULE 3 — EXTRA STYLES
   Components: build-steps grid, UTXO flow diagram,
               chain diagram, mining demo box
   ═══════════════════════════════════════════════════════ */

/* ── Map Table – 3-column (Section 1) ──────────────── */
.map-table {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    margin: 1.5rem 0;
}
.map-row {
    display: grid;
    grid-template-columns: 140px 1fr 1fr;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s;
}
.map-row:last-child { border-bottom: none; }
.map-row:hover:not(.map-header) { background: rgba(255,255,255,0.02); }
[data-theme="light"] .map-row:hover:not(.map-header) { background: rgba(0,0,0,0.02); }
.map-header {
    font-weight: 600;
    background: rgba(247,147,26,0.06);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
}
.map-cell {
    padding: 0.75rem 1rem;
    font-size: 0.88rem;
    line-height: 1.55;
    border-right: 1px solid var(--border-color);
    display: flex; align-items: center;
}
.map-cell:last-child { border-right: none; }
.map-comp {
    font-weight: 600;
    color: var(--accent-primary);
    background: var(--bg-tertiary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
}
.map-tool {
    color: var(--text-secondary);
}
.map-tool strong {
    color: var(--accent-primary);
}
@media (max-width: 700px) {
    .map-row {
        grid-template-columns: 1fr;
    }
    .map-cell { border-right: none; border-bottom: 1px solid var(--border-color); }
    .map-cell:last-child { border-bottom: none; }
    .map-comp {
        border-bottom: 1px solid var(--border-color);
        padding: 0.6rem 1rem 0.4rem;
    }
    .map-header { display: none; }
    .map-row:not(.map-header) .map-comp::before { content: none; }
}

/* ── Build Steps Grid (Section 1) ──────────────────── */
.build-steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}
.build-step {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1.2rem;
    text-align: center;
    position: relative;
    transition: border-color 0.3s, box-shadow 0.3s;
}
.build-step:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 16px rgba(247, 147, 26, 0.10);
}
.build-step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-primary);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 0.88rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
}
.build-step h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.35rem;
}
.build-step p {
    font-size: 0.84rem;
    line-height: 1.5;
    color: var(--text-secondary);
    margin: 0;
}

@media (max-width: 640px) {
    .build-steps-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 400px) {
    .build-steps-grid { grid-template-columns: 1fr; }
}


/* ── UTXO Flow Diagram (Section 3) ─────────────────── */
.utxo-flow-diagram {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow-x: auto;
}
.utxo-flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 0.8rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    min-width: 100px;
    text-align: center;
}
.utxo-flow-label {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.utxo-flow-detail {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--accent-primary);
}
.utxo-flow-sub {
    font-size: 0.72rem;
    color: var(--text-tertiary);
}
.utxo-flow-arrow {
    font-size: 1.4rem;
    color: var(--text-tertiary);
    flex-shrink: 0;
}
.utxo-input {
    border-color: var(--accent-primary);
    background: linear-gradient(135deg, rgba(247, 147, 26, 0.08), rgba(247, 147, 26, 0.02));
}
.utxo-tx {
    border-color: var(--accent-eth);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.08), rgba(139, 92, 246, 0.02));
}
.utxo-output {
    border-color: var(--accent-ok);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(16, 185, 129, 0.02));
}
.utxo-change {
    border-style: dashed;
}
.utxo-flow-outputs {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

@media (max-width: 640px) {
    .utxo-flow-diagram {
        flex-direction: column;
        align-items: stretch;
    }
    .utxo-flow-arrow {
        transform: rotate(90deg);
        text-align: center;
    }
    .utxo-flow-outputs {
        flex-direction: row;
        gap: 0.5rem;
    }
    .utxo-flow-outputs .utxo-flow-step {
        flex: 1;
    }
}


/* ── Chain Diagram (Section 5) ─────────────────────── */
.chain-diagram {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin: 2rem 0;
    padding: 1.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow-x: auto;
}
.chain-block {
    display: flex;
    flex-direction: column;
    min-width: 150px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-secondary);
    flex-shrink: 0;
}
.chain-genesis {
    border-color: var(--accent-primary);
}
.chain-block-header {
    background: linear-gradient(135deg, var(--bg-secondary), rgba(247, 147, 26, 0.06));
    padding: 0.5rem 0.8rem;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}
.chain-block-body {
    padding: 0.5rem 0.7rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.chain-field {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
}
.chain-field span {
    color: var(--text-tertiary);
    font-size: 0.72rem;
}
.chain-field code {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent-primary);
    background: rgba(247, 147, 26, 0.08);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    border: 1px solid rgba(247, 147, 26, 0.15);
}
.chain-block-label {
    text-align: center;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent-primary);
    padding: 0.3rem;
    background: rgba(247, 147, 26, 0.06);
    border-top: 1px solid var(--border-color);
}
.chain-arrow {
    font-size: 1.4rem;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

@media (max-width: 500px) {
    .chain-block { min-width: 120px; }
    .chain-field { font-size: 0.68rem; }
    .chain-field code { font-size: 0.65rem; }
}


/* ── Mining Demo Box (Section 6) ───────────────────── */
.mining-demo-box {
    margin: 1.8rem 0;
    border: 1.5px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-card);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}
[data-theme="dark"] .mining-demo-box {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}
.mining-demo-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.55rem 1.2rem;
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}
.mining-demo-row:last-child {
    border-bottom: none;
}
.mining-demo-label {
    min-width: 90px;
    font-weight: 700;
    color: var(--text-primary);
    flex-shrink: 0;
}
.mining-demo-row code {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--code-orange);
    background: rgba(247, 147, 26, 0.1);
    padding: 0.2rem 0.55rem;
    border-radius: 5px;
    border: 1px solid rgba(247, 147, 26, 0.18);
    font-weight: 600;
}
.mining-demo-note {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    font-style: italic;
    font-family: var(--font-body);
}
.mining-demo-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-size: 0.82rem;
    font-weight: 700;
    flex-shrink: 0;
    margin-left: auto;
}
.mining-fail {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border: 1.5px solid rgba(239, 68, 68, 0.3);
}
.mining-pass {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    border: 1.5px solid rgba(16, 185, 129, 0.3);
}
.mining-demo-dots {
    justify-content: center;
    color: var(--text-tertiary);
    font-style: italic;
    font-family: var(--font-body);
    font-size: 0.82rem;
    gap: 0.5rem;
    padding: 0.4rem 1.2rem;
}
.mining-demo-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(16, 185, 129, 0.03));
}

@media (max-width: 640px) {
    .mining-demo-row { padding: 0.6rem 0.8rem; gap: 0.6rem; }
    .mining-demo-label { min-width: 70px; font-size: 0.78rem; }
    .mining-demo-row code { font-size: 0.75rem; }
}


/* ── Lifecycle Timeline (Section 7) ────────────────── */
.lifecycle-timeline {
    position: relative;
    margin: 2rem 0 2rem 1.5rem;
    padding-left: 2rem;
    border-left: 3px solid var(--border-color);
}
.lifecycle-event {
    position: relative;
    margin-bottom: 1.5rem;
    padding: 0.8rem 1rem 0.8rem 0.5rem;
}
.lifecycle-event:last-child {
    margin-bottom: 0;
}
.lifecycle-num {
    position: absolute;
    left: -2.95rem;
    top: 0.7rem;
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--accent-primary);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    box-shadow: 0 0 0 4px var(--bg-primary);
}
.lifecycle-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1rem 1.2rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}
.lifecycle-content:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 16px rgba(247, 147, 26, 0.08);
}
.lifecycle-content strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}
.lifecycle-content p {
    font-size: 0.84rem;
    line-height: 1.55;
    color: var(--text-secondary);
    margin: 0;
}
.lifecycle-content code {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    background: rgba(247, 147, 26, 0.08);
    padding: 0.15rem 0.35rem;
    border-radius: 4px;
    border: 1px solid rgba(247, 147, 26, 0.12);
    color: var(--accent-primary);
}

@media (max-width: 640px) {
    .lifecycle-timeline {
        margin-left: 0.8rem;
        padding-left: 1.5rem;
    }
    .lifecycle-num {
        left: -2.45rem;
        width: 26px;
        height: 26px;
        font-size: 0.72rem;
    }
    .lifecycle-content {
        padding: 0.8rem;
    }
}
@media (max-width: 400px) {
    .lifecycle-timeline {
        margin-left: 0.3rem;
        padding-left: 1.2rem;
    }
    .lifecycle-num {
        left: -1.95rem;
        width: 22px;
        height: 22px;
        font-size: 0.65rem;
    }
}