/* ===== AGENTIC AI PATTERNS GUIDE - Override Styles ===== */
/* Base styles from common/base.css (submodule) */

:root {
    --accent: #fb923c;
    --accent-dim: #fb923c20;
    --gradient-1: linear-gradient(135deg, #fb923c, #f472b6);
    --gradient-2: linear-gradient(135deg, #f472b6, #a78bfa);
    --gradient-3: linear-gradient(135deg, #fbbf24, #fb923c);
}

/* ===== HERO GLOW ===== */
.hero-glow-1 {
    width: 600px;
    height: 600px;
    background: var(--orange);
    top: -200px;
    right: -100px;
    opacity: 0.15;
}

.hero-glow-2 {
    width: 500px;
    height: 500px;
    background: var(--pink);
    bottom: -200px;
    left: -100px;
    opacity: 0.1;
}

/* ===== PATTERN CARD ===== */
.pattern-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-bottom: 32px;
    transition: all 0.2s;
}

.pattern-wrapper:hover {
    border-color: var(--accent);
}

.pattern-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 8px;
}

.pattern-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent-dim);
    color: var(--accent);
    font-weight: 800;
    font-size: 1.1rem;
    font-family: var(--font-mono);
}

.pattern-title-row {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
}

.pattern-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
}

.pattern-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.tag-orange { background: var(--orange-dim); color: var(--orange); }
.tag-blue { background: var(--blue-dim); color: var(--blue); }
.tag-purple { background: var(--purple-dim); color: var(--purple); }
.tag-green { background: var(--green-dim); color: var(--green); }
.tag-red { background: var(--red-dim); color: var(--red); }
.tag-cyan { background: var(--cyan-dim); color: var(--cyan); }
.tag-yellow { background: var(--yellow-dim); color: var(--yellow); }
.tag-pink { background: var(--pink-dim); color: var(--pink); }

.pattern-desc {
    color: var(--text-secondary);
    font-size: 1.02rem;
    margin-bottom: 24px;
    line-height: 1.7;
}

/* ===== MERMAID CONTAINER ===== */
.mermaid-wrap {
    background:
        radial-gradient(circle at top right, rgba(251,146,60,0.04), transparent 60%),
        radial-gradient(circle at bottom left, rgba(244,114,182,0.04), transparent 60%),
        var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    margin: 24px 0;
    overflow-x: auto;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02);
}

.mermaid {
    text-align: center;
    min-height: 100px;
}

.mermaid svg {
    max-width: 100%;
    height: auto !important;
    filter: drop-shadow(0 4px 16px rgba(0,0,0,0.3));
}

/* Mermaid edge labels - make them readable */
.mermaid .edgeLabel {
    background-color: var(--bg-surface) !important;
    color: var(--text) !important;
    padding: 2px 8px !important;
    border-radius: 4px !important;
    font-size: 13px !important;
    font-weight: 500 !important;
}

.mermaid .edgeLabel rect {
    fill: var(--bg-surface) !important;
}

.mermaid .edgePath .path {
    stroke-width: 1.8px !important;
}

.mermaid .flowchart-link {
    stroke: var(--text-muted) !important;
}

.mermaid .arrowheadPath {
    fill: var(--text-muted) !important;
    stroke: var(--text-muted) !important;
}

/* ===== HAND-ROLLED DIAGRAM ===== */
.diagram {
    position: relative;
    background:
        radial-gradient(circle at 20% 30%, rgba(251,146,60,0.06), transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(244,114,182,0.06), transparent 50%),
        linear-gradient(180deg, #14141c, #0f0f16);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 48px 32px;
    margin: 24px 0;
    overflow-x: auto;
    overflow-y: visible;
    box-shadow:
        inset 0 0 0 1px rgba(255,255,255,0.02),
        0 8px 40px rgba(0,0,0,0.3);
}

/* Thin scrollbar for overflow diagrams */
.diagram::-webkit-scrollbar {
    height: 6px;
}
.diagram::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.03);
    border-radius: 3px;
}
.diagram::-webkit-scrollbar-thumb {
    background: rgba(251,146,60,0.3);
    border-radius: 3px;
}
.diagram::-webkit-scrollbar-thumb:hover {
    background: rgba(251,146,60,0.5);
}

.diagram::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
}

.diagram-flow {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: nowrap;
    z-index: 1;
    min-height: 180px;
    min-width: fit-content;
}

/* ===== NODE ===== */
.node {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 112px;
    max-width: 140px;
    padding: 18px 14px;
    border-radius: 14px;
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    text-align: center;
    transition: all 0.25s cubic-bezier(.2,.8,.2,1);
    flex-shrink: 0;
}

.node:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.4);
}

.node-icon {
    font-size: 1.6rem;
    line-height: 1;
    margin-bottom: 8px;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,0.3));
}

.node-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
    margin-bottom: 2px;
    letter-spacing: -0.01em;
}

.node-sub {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* Node types */
.node.is-input {
    background: linear-gradient(180deg, rgba(79,143,247,0.15), rgba(79,143,247,0.05));
    border-color: rgba(79,143,247,0.5);
    box-shadow: 0 0 0 1px rgba(79,143,247,0.1), 0 8px 24px rgba(79,143,247,0.08);
}
.node.is-input .node-title { color: #7fb0ff; }

.node.is-llm {
    background: linear-gradient(180deg, rgba(251,146,60,0.15), rgba(251,146,60,0.05));
    border-color: rgba(251,146,60,0.5);
    box-shadow: 0 0 0 1px rgba(251,146,60,0.1), 0 8px 24px rgba(251,146,60,0.08);
}
.node.is-llm .node-title { color: #ffb570; }

.node.is-gate {
    background: linear-gradient(180deg, rgba(251,191,36,0.15), rgba(251,191,36,0.05));
    border-color: rgba(251,191,36,0.5);
    box-shadow: 0 0 0 1px rgba(251,191,36,0.1), 0 8px 24px rgba(251,191,36,0.08);
    transform: rotate(0);
}
.node.is-gate .node-title { color: #fcd34d; }

.node.is-output {
    background: linear-gradient(180deg, rgba(52,211,153,0.15), rgba(52,211,153,0.05));
    border-color: rgba(52,211,153,0.5);
    box-shadow: 0 0 0 1px rgba(52,211,153,0.15), 0 8px 24px rgba(52,211,153,0.12);
}
.node.is-output .node-title { color: #6ee7b7; }

.node.is-error {
    background: linear-gradient(180deg, rgba(248,113,113,0.12), rgba(248,113,113,0.04));
    border-color: rgba(248,113,113,0.4);
    opacity: 0.85;
}
.node.is-error .node-title { color: #fca5a5; }

/* ===== CONNECTOR ===== */
.connector {
    flex: 1;
    min-width: 32px;
    height: 2px;
    position: relative;
    background: linear-gradient(90deg,
        rgba(106,106,122,0.2) 0%,
        rgba(106,106,122,0.6) 50%,
        rgba(106,106,122,0.2) 100%);
    align-self: center;
}

.connector::after {
    content: '';
    position: absolute;
    right: -1px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 7px solid rgba(106,106,122,0.7);
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
}

.connector.is-accent {
    background: linear-gradient(90deg,
        rgba(251,146,60,0.2) 0%,
        rgba(251,146,60,0.8) 50%,
        rgba(251,146,60,0.2) 100%);
}

.connector.is-accent::after {
    border-left-color: rgba(251,146,60,0.9);
}

.connector-label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    font-family: var(--font-mono);
    letter-spacing: 0.04em;
    white-space: nowrap;
    padding: 3px 10px;
    background: var(--bg-surface);
    border-radius: 999px;
    border: 1px solid var(--border-light);
    z-index: 2;
}

.connector.is-success .connector-label {
    color: #6ee7b7;
    border-color: rgba(52,211,153,0.3);
}

.connector.is-fail .connector-label {
    color: #fca5a5;
    border-color: rgba(248,113,113,0.3);
}

/* ===== BRANCH (분기) ===== */
.branch-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    flex-shrink: 0;
}

.branch-wrap .node {
    min-width: 112px;
}

/* Vertical connector for branch */
.connector-v {
    width: 2px;
    height: 24px;
    background: linear-gradient(180deg,
        rgba(248,113,113,0.2),
        rgba(248,113,113,0.7),
        rgba(248,113,113,0.2));
    position: relative;
}

.connector-v::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-top: 7px solid rgba(248,113,113,0.8);
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
}

/* ===== NODE VARIANTS (추가) ===== */
.node.is-tool {
    background: linear-gradient(180deg, rgba(34,211,238,0.15), rgba(34,211,238,0.05));
    border-color: rgba(34,211,238,0.5);
    box-shadow: 0 0 0 1px rgba(34,211,238,0.1), 0 8px 24px rgba(34,211,238,0.08);
}
.node.is-tool .node-title { color: #67e8f9; }

.node.is-memory {
    background: linear-gradient(180deg, rgba(167,139,250,0.15), rgba(167,139,250,0.05));
    border-color: rgba(167,139,250,0.5);
    box-shadow: 0 0 0 1px rgba(167,139,250,0.1), 0 8px 24px rgba(167,139,250,0.08);
    border-radius: 50%;
    aspect-ratio: 1;
    min-width: 120px;
    min-height: 120px;
}
.node.is-memory .node-title { color: #c4b5fd; }

.node.is-user {
    background: linear-gradient(180deg, rgba(156,163,175,0.12), rgba(156,163,175,0.04));
    border-color: rgba(156,163,175,0.4);
}
.node.is-user .node-title { color: #d1d5db; }

.node.is-orchestrator {
    background: linear-gradient(180deg, rgba(251,146,60,0.22), rgba(251,146,60,0.08));
    border-color: rgba(251,146,60,0.7);
    border-width: 2px;
    box-shadow: 0 0 0 1px rgba(251,146,60,0.2), 0 12px 36px rgba(251,146,60,0.2);
    min-width: 160px;
}
.node.is-orchestrator .node-title { color: #ffb570; font-size: 1rem; }

.node.is-env {
    background: linear-gradient(180deg, rgba(52,211,153,0.12), rgba(52,211,153,0.04));
    border-color: rgba(52,211,153,0.4);
    border-style: dashed;
}
.node.is-env .node-title { color: #6ee7b7; }

.node.is-eval {
    background: linear-gradient(180deg, rgba(244,114,182,0.15), rgba(244,114,182,0.05));
    border-color: rgba(244,114,182,0.5);
    box-shadow: 0 0 0 1px rgba(244,114,182,0.1), 0 8px 24px rgba(244,114,182,0.08);
}
.node.is-eval .node-title { color: #f9a8d4; }

/* ===== NODE DETAILS (inline examples) ===== */
.node-detail {
    margin-top: 8px;
    padding: 4px 8px;
    background: rgba(0,0,0,0.3);
    border-radius: 6px;
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    line-height: 1.4;
    max-width: 140px;
    overflow-wrap: break-word;
}

.node-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 7px;
    border-radius: 11px;
    background: var(--accent);
    color: #0a0a0f;
    font-size: 0.7rem;
    font-weight: 800;
    font-family: var(--font-mono);
    box-shadow: 0 2px 8px rgba(251,146,60,0.4);
}

.node-meta {
    display: flex;
    gap: 4px;
    margin-top: 6px;
    flex-wrap: wrap;
    justify-content: center;
}

.node-chip {
    font-size: 0.66rem;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(255,255,255,0.06);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* ===== DIAGRAM TITLE ===== */
.diagram-title {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px dashed var(--border-light);
}

.diagram-title-icon {
    font-size: 1.2rem;
}

.diagram-title-text {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.diagram-title-example {
    margin-left: auto;
    font-size: 0.78rem;
    color: var(--accent);
    background: var(--accent-dim);
    padding: 4px 12px;
    border-radius: 999px;
    font-weight: 600;
    border: 1px solid rgba(251,146,60,0.25);
}

/* ===== AUG LLM GRID (Hub + Spokes) ===== */
.aug-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    grid-template-rows: auto auto;
    gap: 56px 56px;
    align-items: center;
    justify-items: center;
    max-width: 720px;
    margin: 0 auto;
    padding: 12px;
}

.aug-slot {
    position: relative;
}

/* Slot placements */
.aug-slot-tools {
    grid-column: 2;
    grid-row: 1;
}

.aug-slot-llm {
    grid-column: 2;
    grid-row: 2;
}

.aug-slot-memory {
    grid-column: 1;
    grid-row: 2;
}

.aug-slot-retrieval {
    grid-column: 3;
    grid-row: 2;
}

/* Spokes — each satellite draws a line reaching toward the hub */
.aug-slot-tools::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 100%;
    transform: translateX(-50%);
    width: 2px;
    height: 52px;
    background: linear-gradient(180deg,
        rgba(34,211,238,0.65) 0%,
        rgba(34,211,238,0.15) 100%);
    border-radius: 1px;
}

.aug-slot-tools::before {
    content: '';
    position: absolute;
    left: 50%;
    top: calc(100% + 46px);
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-top: 7px solid rgba(34,211,238,0.7);
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
}

.aug-slot-memory::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 2px;
    background: linear-gradient(90deg,
        rgba(167,139,250,0.15) 0%,
        rgba(167,139,250,0.65) 100%);
    border-radius: 1px;
}

.aug-slot-memory::before {
    content: '';
    position: absolute;
    left: calc(100% + 46px);
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 7px solid rgba(167,139,250,0.7);
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
}

.aug-slot-retrieval::after {
    content: '';
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 2px;
    background: linear-gradient(270deg,
        rgba(79,143,247,0.15) 0%,
        rgba(79,143,247,0.65) 100%);
    border-radius: 1px;
}

.aug-slot-retrieval::before {
    content: '';
    position: absolute;
    right: calc(100% + 46px);
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-right: 7px solid rgba(79,143,247,0.7);
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
}

/* Hub highlight ring */
.aug-slot-llm::before {
    content: '';
    position: absolute;
    inset: -18px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(251,146,60,0.15), transparent 70%);
    z-index: -1;
    pointer-events: none;
}

@media (max-width: 768px) {
    .aug-grid {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, auto);
        gap: 28px;
    }
    .aug-slot-tools,
    .aug-slot-llm,
    .aug-slot-memory,
    .aug-slot-retrieval {
        grid-column: 1;
    }
    .aug-slot-tools { grid-row: 1; }
    .aug-slot-llm { grid-row: 2; }
    .aug-slot-memory { grid-row: 3; }
    .aug-slot-retrieval { grid-row: 4; }
    /* 모바일에선 선/화살표 모두 수직 아래 방향으로 */
    .aug-slot-tools::after,
    .aug-slot-memory::after,
    .aug-slot-retrieval::after {
        left: 50%;
        top: 100%;
        right: auto;
        width: 2px;
        height: 22px;
        background: linear-gradient(180deg, rgba(251,146,60,0.6), rgba(251,146,60,0.15));
        transform: translateX(-50%);
    }
    .aug-slot-tools::before,
    .aug-slot-memory::before,
    .aug-slot-retrieval::before {
        left: 50%;
        top: calc(100% + 20px);
        right: auto;
        transform: translateX(-50%);
        border-top: 6px solid rgba(251,146,60,0.7);
        border-left: 5px solid transparent;
        border-right: 5px solid transparent;
        border-bottom: none;
    }
}

/* ===== TREE LAYOUT (Routing, Decision) ===== */
.tree {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.tree-row {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    position: relative;
}

.tree-branch {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    position: relative;
}

.tree-branch-label {
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    letter-spacing: 0.04em;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 999px;
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    white-space: nowrap;
}

.tree-fanout {
    position: relative;
    height: 40px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    width: 100%;
}

.tree-fanout svg {
    width: 100%;
    height: 100%;
}

/* ===== SWIM / VERTICAL PHASES ===== */
.swim {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 20px;
}

.swim-phase {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 16px 20px;
    background: rgba(255,255,255,0.02);
    border: 1px dashed var(--border-light);
    border-radius: var(--radius);
    position: relative;
}

.swim-phase-label {
    flex-shrink: 0;
    min-width: 80px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.swim-phase-nodes {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    flex: 1;
}

/* ===== FEEDBACK LOOP ===== */
.loop-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 24px;
}

.loop-side {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
}

.loop-arrows {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

.loop-arrow {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.loop-arrow svg {
    width: 80px;
    height: 12px;
}

/* ===== ITERATION BADGES (Evaluator) ===== */
.iter-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    margin-top: 8px;
}

.iter-label {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-muted);
    min-width: 36px;
}

.iter-bar {
    flex: 1;
    height: 8px;
    background: rgba(255,255,255,0.05);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.iter-fill {
    height: 100%;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--red), var(--orange), var(--green));
    transition: width 0.4s;
}

.iter-score {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text);
    min-width: 52px;
    text-align: right;
}

.iter-score.is-pass { color: #6ee7b7; }
.iter-score.is-fail { color: #fca5a5; }

.iter-note {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    margin-left: 8px;
}

/* ===== GRID / PARALLEL LANES ===== */
.lanes {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 16px;
}

.lanes.cols-3 { grid-template-columns: repeat(3, 1fr); }
.lanes.cols-2 { grid-template-columns: repeat(2, 1fr); }

.lane {
    padding: 16px;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.lane-header {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding-bottom: 8px;
    border-bottom: 1px dashed var(--border-light);
    width: 100%;
    text-align: center;
}

/* ===== VARIANT CARDS (Parallelization 두 변형) ===== */
.variant-card {
    position: relative;
    z-index: 1;
    padding: 24px;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.variant-card:last-child { margin-bottom: 0; }

.variant-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px dashed var(--border-light);
}

.variant-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
}

.variant-tag {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--accent-dim);
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 0.03em;
}

.variant-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-left: auto;
}

/* ===== TOOLS POOL (Autonomous Agent) ===== */
.tool-pool {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
    padding: 14px 18px;
    background: rgba(34,211,238,0.04);
    border: 1px dashed rgba(34,211,238,0.3);
    border-radius: var(--radius);
}

.tool-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(34,211,238,0.08);
    border: 1px solid rgba(34,211,238,0.3);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #67e8f9;
    font-family: var(--font-mono);
}

.tool-chip-icon {
    font-size: 0.95rem;
}

.pool-label {
    display: block;
    font-size: 0.72rem;
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 10px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-align: center;
}

/* ===== MESSAGE BUBBLE (예시 데이터) ===== */
.msg-bubble {
    display: inline-block;
    padding: 8px 14px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border-light);
    border-radius: 14px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    max-width: 280px;
    line-height: 1.5;
}

.msg-bubble.is-user {
    background: rgba(79,143,247,0.08);
    border-color: rgba(79,143,247,0.25);
    color: #bfd7ff;
    border-bottom-left-radius: 4px;
}

.msg-bubble.is-system {
    background: rgba(251,146,60,0.08);
    border-color: rgba(251,146,60,0.25);
    color: #fed7aa;
    border-bottom-right-radius: 4px;
}

.msg-bubble code {
    background: rgba(0,0,0,0.3);
    padding: 1px 5px;
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 0.88em;
    color: var(--accent);
}

/* ===== CONFIDENCE BAR ===== */
.conf-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    font-size: 0.72rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.conf-bar {
    flex: 1;
    height: 4px;
    background: rgba(255,255,255,0.05);
    border-radius: 2px;
    overflow: hidden;
}

.conf-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
}

/* ===== CURVED SVG CONNECTOR ===== */
.svg-connector {
    position: absolute;
    pointer-events: none;
    overflow: visible;
    z-index: 0;
}

.svg-connector path {
    fill: none;
    stroke-width: 2;
}

.svg-connector .stroke-default { stroke: rgba(106,106,122,0.5); }
.svg-connector .stroke-accent { stroke: rgba(251,146,60,0.6); }
.svg-connector .stroke-success { stroke: rgba(52,211,153,0.6); }
.svg-connector .stroke-fail { stroke: rgba(248,113,113,0.6); }
.svg-connector .stroke-dash { stroke-dasharray: 5 4; }

/* ===== AGENT CYCLE (ReAct horizontal + loop-back) ===== */
.agent-cycle {
    position: relative;
    z-index: 1;
    padding: 0 12px 76px 12px;
}

.agent-cycle-row {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 6px;
    position: relative;
    z-index: 2;
}

.agent-cycle-row .node {
    flex: 1;
    min-width: 110px;
    max-width: 180px;
}

.agent-cycle-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 28px;
    height: auto;
    color: rgba(251,146,60,0.8);
    font-size: 1.2rem;
    font-weight: 900;
}

.agent-cycle-loop {
    position: absolute;
    left: 5%;
    right: 5%;
    bottom: 0;
    height: 64px;
    pointer-events: none;
}

.agent-cycle-loop svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}

.agent-cycle-loop-label {
    position: absolute;
    left: 50%;
    bottom: 18px;
    transform: translateX(-50%);
    padding: 4px 12px;
    background: var(--bg-surface);
    border: 1px solid rgba(251,146,60,0.35);
    border-radius: 999px;
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: #fed7aa;
    font-weight: 700;
    letter-spacing: 0.04em;
    white-space: nowrap;
    z-index: 3;
}

@media (max-width: 768px) {
    .agent-cycle { padding: 0 0 0 0; }
    .agent-cycle-row {
        flex-direction: column;
        gap: 10px;
    }
    .agent-cycle-row .node { max-width: none; }
    .agent-cycle-arrow { transform: rotate(90deg); width: 100%; }
    .agent-cycle-loop { position: static; height: auto; margin-top: 12px; }
    .agent-cycle-loop svg { display: none; }
    .agent-cycle-loop-label {
        position: static;
        transform: none;
        display: inline-block;
        margin: 0 auto;
    }
}

/* ===== TOPOLOGY VARIANTS (Supervisor / Swarm / Hierarchical) ===== */
.topo-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

@media (max-width: 900px) {
    .topo-grid { grid-template-columns: 1fr; }
}

.topo-card {
    padding: 20px 18px;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.topo-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 10px;
    border-bottom: 1px dashed var(--border-light);
}

.topo-name {
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--text);
}

.topo-tag {
    font-size: 0.66rem;
    font-family: var(--font-mono);
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--accent-dim);
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-left: auto;
    text-transform: uppercase;
}

.topo-canvas {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    background:
        radial-gradient(circle at center, rgba(251,146,60,0.05), transparent 60%);
    border-radius: var(--radius);
    overflow: hidden;
}

.topo-canvas svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.topo-mini-node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 14px;
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    text-align: center;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 4px;
    z-index: 2;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.topo-mini-node.is-sup {
    background: linear-gradient(180deg, rgba(251,146,60,0.22), rgba(251,146,60,0.08));
    border-color: rgba(251,146,60,0.7);
    color: #ffb570;
    width: 70px;
    height: 70px;
    font-size: 0.72rem;
}

.topo-mini-node.is-worker {
    background: linear-gradient(180deg, rgba(79,143,247,0.15), rgba(79,143,247,0.05));
    border-color: rgba(79,143,247,0.5);
    color: #7fb0ff;
}

.topo-mini-node.is-peer {
    background: linear-gradient(180deg, rgba(244,114,182,0.15), rgba(244,114,182,0.05));
    border-color: rgba(244,114,182,0.5);
    color: #f9a8d4;
}

.topo-mini-node .m-icon {
    font-size: 1.2rem;
    line-height: 1;
}

.topo-mini-node .m-label {
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-top: 2px;
}

.topo-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.55;
    min-height: 48px;
}

.topo-when {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    padding: 8px 10px;
    background: rgba(0,0,0,0.2);
    border-radius: 8px;
    border-left: 2px solid var(--accent);
}

.topo-when strong { color: var(--accent); }

/* ===== HITL LAYOUT ===== */
.hitl-flow {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    align-items: center;
    gap: 10px;
}

@media (max-width: 900px) {
    .hitl-flow {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

.hitl-pause {
    position: relative;
    padding: 16px 20px;
    background: rgba(251,191,36,0.08);
    border: 2px dashed rgba(251,191,36,0.5);
    border-radius: 14px;
    text-align: center;
}

.hitl-pause-title {
    font-size: 0.8rem;
    font-weight: 800;
    color: #fcd34d;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 6px;
}

.hitl-pause-icon {
    font-size: 1.4rem;
    margin-bottom: 4px;
}

.hitl-pause-detail {
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    line-height: 1.6;
}

.hitl-human {
    padding: 20px;
    background: linear-gradient(180deg, rgba(244,114,182,0.12), rgba(244,114,182,0.04));
    border: 2px solid rgba(244,114,182,0.5);
    border-radius: 14px;
    text-align: center;
    position: relative;
}

.hitl-human-icon {
    font-size: 2rem;
    margin-bottom: 6px;
}

.hitl-human-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #f9a8d4;
    margin-bottom: 8px;
}

.hitl-actions {
    display: flex;
    gap: 6px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 10px;
}

.hitl-action {
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    font-family: var(--font-mono);
    letter-spacing: 0.03em;
}

.hitl-action.is-approve { background: rgba(52,211,153,0.15); color: #6ee7b7; border: 1px solid rgba(52,211,153,0.4); }
.hitl-action.is-edit { background: rgba(251,191,36,0.15); color: #fcd34d; border: 1px solid rgba(251,191,36,0.4); }
.hitl-action.is-reject { background: rgba(248,113,113,0.15); color: #fca5a5; border: 1px solid rgba(248,113,113,0.4); }

.hitl-arrow {
    font-size: 1.4rem;
    color: var(--text-muted);
    text-align: center;
}

.hitl-checkpoints {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 24px;
    padding: 14px 18px;
    background: rgba(167,139,250,0.05);
    border: 1px dashed rgba(167,139,250,0.3);
    border-radius: 12px;
}

.hitl-checkpoint {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(167,139,250,0.1);
    border: 1px solid rgba(167,139,250,0.3);
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    color: #c4b5fd;
    font-family: var(--font-mono);
}

/* ===== DIAGRAM FOOTER (legend / note) ===== */
.diagram-footer {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px dashed var(--border-light);
    font-size: 0.8rem;
    color: var(--text-muted);
    z-index: 1;
    flex-wrap: wrap;
}

.diagram-footer strong {
    color: var(--accent);
    font-weight: 700;
}

/* Responsive: stack on mobile */
@media (max-width: 768px) {
    .diagram {
        padding: 24px 16px;
    }
    .diagram-flow {
        flex-direction: column;
        gap: 16px;
    }
    .connector {
        width: 2px;
        height: 24px;
        min-width: unset;
        background: linear-gradient(180deg,
            rgba(106,106,122,0.2),
            rgba(106,106,122,0.7),
            rgba(106,106,122,0.2));
    }
    .connector::after {
        right: 50%;
        top: unset;
        bottom: -1px;
        transform: translateX(50%);
        border-left: 5px solid transparent;
        border-right: 5px solid transparent;
        border-top: 7px solid rgba(106,106,122,0.7);
        border-bottom: none;
    }
    .connector-label {
        position: static;
        transform: none;
    }
    .node { min-width: 140px; }
}

/* ===== DIAGRAM LEGEND ===== */
.diagram-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 16px;
    justify-content: center;
    padding: 14px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    margin-bottom: 24px;
    font-size: 0.82rem;
}

.legend-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-weight: 500;
}

.legend-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 3px;
    border: 1.5px solid;
}

.legend-dot.dot-input { background: #1a2a3a; border-color: #4f8ff7; }
.legend-dot.dot-llm { background: #3a2e1a; border-color: #fb923c; }
.legend-dot.dot-decision { background: #3a3010; border-color: #fbbf24; }
.legend-dot.dot-tool { background: #1a2a3a; border-color: #4f8ff7; }
.legend-dot.dot-storage { background: #2a1a3a; border-color: #a78bfa; }
.legend-dot.dot-output { background: #1a3a1a; border-color: #34d399; }
.legend-dot.dot-error { background: #3a1a1a; border-color: #f87171; }

/* ===== PATTERN META ===== */
.pattern-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.meta-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 16px 20px;
}

.meta-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.meta-value {
    font-size: 0.95rem;
    color: var(--text);
    line-height: 1.5;
}

.meta-value strong {
    color: var(--accent);
}

/* ===== COMPARISON TABLE ===== */
.compare-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    margin: 24px 0;
}

.compare-table th,
.compare-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.95rem;
}

.compare-table th {
    background: var(--bg-surface);
    color: var(--text);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.compare-table tr:last-child td {
    border-bottom: none;
}

.compare-table tbody tr:hover {
    background: var(--bg-card-hover);
}

.compare-table td:first-child {
    font-weight: 700;
    color: var(--accent);
}

/* ===== DECISION TREE CALLOUT ===== */
.decision-callout {
    background: linear-gradient(135deg, rgba(251,146,60,0.08), rgba(244,114,182,0.08));
    border: 1px solid rgba(251,146,60,0.25);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    margin: 32px 0;
}

.decision-callout h4 {
    color: var(--accent);
    font-size: 1.1rem;
    margin-bottom: 8px;
    font-weight: 700;
}

.decision-callout p {
    color: var(--text-secondary);
    font-size: 0.98rem;
    line-height: 1.7;
}

/* ===== USE CASE GRID ===== */
.usecase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
    margin: 24px 0;
}

.usecase-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    transition: all 0.2s;
}

.usecase-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.usecase-pattern {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.usecase-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}

.usecase-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== PRINCIPLE BOX ===== */
.principle-box {
    background: var(--bg-card);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius);
    padding: 20px 24px;
    margin: 24px 0;
}

.principle-box p {
    color: var(--text);
    font-size: 1rem;
    line-height: 1.7;
}

.principle-box strong {
    color: var(--accent);
}

/* ===== TOC ===== */
.toc {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    margin-bottom: 48px;
}

.toc-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.toc-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 10px 24px;
    list-style: none;
}

.toc-list a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    padding: 6px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: color 0.15s;
}

.toc-list a:hover {
    color: var(--accent);
}

.toc-num {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 700;
    min-width: 24px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .pattern-wrapper { padding: 24px; }
    .pattern-title { font-size: 1.3rem; }
    .mermaid-wrap { padding: 16px; }
    .compare-table { font-size: 0.85rem; }
    .compare-table th, .compare-table td { padding: 10px 8px; }
}