/* ─────────────────────────────────────────────────────
 Morphism - interactive engine (light theme)
 Sandbox heroes: source palette → canvas → live readout
───────────────────────────────────────────────────── */

:root {
 --ix-canvas: #f4f3f0;
 --ix-surface: #ffffff;
 --ix-border: rgba(18, 20, 28, 0.08);
 --ix-border-strong: rgba(18, 20, 28, 0.12);
 --ix-ink: #12121a;
 --ix-ink-muted: #5b5c66;
 --ix-ink-soft: #94959e;
 --ix-violet: #5b3de8;
 --ix-violet-soft: rgba(91, 61, 232, 0.1);
 --ix-success: #15a14a;
 --ix-warn: #d97706;
 --ix-danger: #dc2626;
 --ix-shadow-sm: 0 1px 2px rgba(18, 20, 28, 0.05), 0 8px 24px rgba(18, 20, 28, 0.06);
 --ix-shadow-md: 0 1px 2px rgba(18, 20, 28, 0.05), 0 14px 40px rgba(18, 20, 28, 0.09);
 --ix-hairline: rgba(18, 20, 28, 0.08);
}

/* ── Section shell ────────────────────────────────── */

.ix-hero {
 position: relative;
 padding: calc(var(--header-h, 68px) + 56px) 0 88px;
 background: linear-gradient(180deg, #faf9f7 0%, var(--ix-canvas) 45%, #f0efeb 100%);
 color: var(--ix-ink);
 overflow: hidden;
}

.ix-hero::before {
 display: none;
}

.ix-hero .container {
 position: relative;
 z-index: 1;
}

.ix-head {
 display: grid;
 grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
 gap: clamp(28px, 4vw, 64px);
 align-items: end;
 margin-bottom: 36px;
}

.ix-eyebrow {
 display: inline-block;
 font-family: var(--mono);
 font-size: 10px;
 letter-spacing: 0.2em;
 text-transform: uppercase;
 padding-left: 14px;
 border-left: 3px solid var(--ix-violet);
 background: none;
 color: var(--ix-violet);
 margin-bottom: 18px;
 font-weight: 600;
}

.ix-eyebrow::before {
 display: none;
}

.ix-title {
 font-family: var(--sans);
 font-size: clamp(34px, 4.2vw, 58px);
 font-weight: 700;
 line-height: 1.05;
 letter-spacing: -0.04em;
 color: var(--ix-ink);
 margin: 0 0 20px;
}

.ix-title em {
 font-style: normal;
 color: var(--ix-violet);
}

/* Solid violet on plain <em> only - animated spectrum uses .morph-text. */
.ix-title em.morph-text {
 color: transparent;
 -webkit-text-fill-color: transparent;
}

.ix-sub {
 font-family: var(--sans);
 font-size: 15px;
 font-weight: 400;
 line-height: 1.6;
 color: var(--ix-ink-muted);
 margin: 0 0 28px;
 max-width: 480px;
 letter-spacing: -0.005em;
}

.ix-cta-row {
 display: flex;
 flex-wrap: wrap;
 gap: 10px;
 align-items: center;
}

.ix-btn {
 font-family: var(--sans);
 font-size: 14px;
 font-weight: 600;
 letter-spacing: -0.01em;
 padding: 12px 20px;
 border-radius: 12px;
 border: 1px solid transparent;
 cursor: pointer;
 text-decoration: none;
 display: inline-flex;
 align-items: center;
 gap: 8px;
 transition: transform 0.18s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.2s ease;
 line-height: 1;
}

.ix-btn-primary {
 background: var(--ix-ink);
 color: #fff;
 box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06) inset, 0 6px 14px rgba(15, 17, 26, 0.18);
}

.ix-btn-primary:hover {
 background: var(--ix-violet);
 transform: translateY(-1px);
 box-shadow: 0 1px 0 rgba(255, 255, 255, 0.1) inset, 0 14px 28px rgba(91, 61, 232, 0.28);
}

.ix-btn-ghost {
 background: var(--ix-surface);
 color: var(--ix-ink);
 border-color: var(--ix-border-strong);
}

.ix-btn-ghost:hover {
 border-color: var(--ix-ink);
 background: #fff;
}

/* ── Sandbox grid ─────────────────────────────────── */

.ix-sandbox {
 display: grid;
 grid-template-columns: 240px minmax(0, 1fr) 320px;
 gap: 20px;
 position: relative;
}

.ix-panel {
 background: var(--ix-surface);
 border-radius: 18px;
 padding: 22px;
 position: relative;
 overflow: hidden;
 box-shadow: var(--ix-shadow-sm);
 border: 1px solid var(--ix-hairline);
}

.ix-panel-head {
 display: flex;
 align-items: center;
 justify-content: space-between;
 margin-bottom: 14px;
}

.ix-panel-title {
 font-family: var(--mono);
 font-size: 10px;
 letter-spacing: 0.22em;
 text-transform: uppercase;
 color: var(--ix-ink-soft);
 font-weight: 500;
}

.ix-panel-hint {
 font-family: var(--mono);
 font-size: 9px;
 letter-spacing: 0.16em;
 text-transform: uppercase;
 color: var(--ix-ink-soft);
}

/* ── Source / draggable palette ───────────────────── */

.ix-source-list {
 display: flex;
 flex-direction: column;
 gap: 6px;
}

.ix-source {
 --src-color: var(--ix-violet);
 display: grid;
 grid-template-columns: 32px 1fr auto;
 align-items: center;
 gap: 10px;
 padding: 9px 10px;
 border-radius: 10px;
 background: var(--ix-surface);
 border: 1px solid transparent;
 cursor: grab;
 user-select: none;
 touch-action: none;
 transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
 position: relative;
}

.ix-source:hover {
 background: #fafaf7;
 border-color: var(--ix-border);
 transform: translateX(1px);
}

.ix-source.is-dragging {
 cursor: grabbing;
 opacity: 0.55;
}

.ix-source.is-active {
 background: #fff;
 border-color: var(--src-color);
 box-shadow:
 0 0 0 2px color-mix(in srgb, var(--src-color) 18%, transparent),
 0 6px 18px rgba(18, 20, 28, 0.06);
}

.ix-source-icon {
 width: 32px;
 height: 32px;
 border-radius: 8px;
 display: flex;
 align-items: center;
 justify-content: center;
 font-family: var(--mono);
 font-size: 11px;
 font-weight: 700;
 color: #fff;
 letter-spacing: 0.02em;
 flex-shrink: 0;
}

.ix-source-name {
 font-family: var(--sans);
 font-size: 13px;
 font-weight: 600;
 color: var(--ix-ink);
 letter-spacing: -0.01em;
 line-height: 1.2;
}

.ix-source-tag {
 font-family: var(--mono);
 font-size: 9px;
 letter-spacing: 0.06em;
 color: var(--ix-ink-soft);
 margin-top: 2px;
 text-transform: uppercase;
}

.ix-source-pin {
 font-family: var(--mono);
 font-size: 9px;
 letter-spacing: 0.1em;
 color: var(--ix-ink-soft);
 text-transform: uppercase;
}

.ix-source.is-active .ix-source-pin {
 color: var(--src-color);
 font-weight: 600;
}

/* drag ghost */
.ix-drag-ghost {
 position: fixed;
 pointer-events: none;
 z-index: 9999;
 padding: 7px 12px;
 background: var(--ix-ink);
 color: #fff;
 font-family: var(--sans);
 font-size: 12px;
 font-weight: 600;
 letter-spacing: -0.005em;
 border-radius: 8px;
 box-shadow: 0 12px 32px rgba(15, 17, 26, 0.2);
 transform: translate(-50%, -50%);
}

/* ── Canvas ───────────────────────────────────────── */

.ix-canvas {
 position: relative;
 background: var(--ix-surface);
 border-radius: 18px;
 min-height: 480px;
 overflow: hidden;
 padding: 22px;
 display: flex;
 flex-direction: column;
 box-shadow: var(--ix-shadow-sm);
 border: 1px solid var(--ix-hairline);
 transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.ix-canvas.is-drop-active {
 box-shadow: var(--ix-shadow-md);
 border-color: color-mix(in srgb, var(--ix-violet) 35%, var(--ix-hairline));
}

.ix-canvas-head {
 display: flex;
 align-items: center;
 justify-content: space-between;
 margin-bottom: 14px;
 position: relative;
 z-index: 2;
}

.ix-canvas-title {
 font-family: var(--mono);
 font-size: 10px;
 letter-spacing: 0.22em;
 text-transform: uppercase;
 color: var(--ix-ink-soft);
 display: flex;
 align-items: center;
 gap: 10px;
 font-weight: 500;
}

.ix-canvas-title::before {
 content: "";
 width: 7px;
 height: 7px;
 border-radius: 50%;
 background: var(--ix-success);
 box-shadow: 0 0 0 3px rgba(21, 161, 74, 0.18);
}

.ix-canvas-meta {
 font-family: var(--mono);
 font-size: 9px;
 letter-spacing: 0.14em;
 color: var(--ix-ink-soft);
 text-transform: uppercase;
}

/* ── Right readout ────────────────────────────────── */

.ix-readout {
 display: flex;
 flex-direction: column;
 gap: 12px;
}

.ix-stat {
 padding: 14px 16px;
 border-radius: 14px;
 background: #faf9f7;
 border: 1px solid var(--ix-hairline);
}

.ix-stat-label {
 font-family: var(--mono);
 font-size: 9px;
 letter-spacing: 0.18em;
 text-transform: uppercase;
 color: var(--ix-ink-soft);
 margin-bottom: 6px;
 font-weight: 500;
}

.ix-stat-val {
 font-family: var(--sans);
 font-size: 22px;
 font-weight: 700;
 letter-spacing: -0.025em;
 color: var(--ix-ink);
 display: flex;
 align-items: baseline;
 gap: 8px;
 transition: color 0.4s ease;
}

.ix-stat-val.is-good { color: var(--ix-success); }
.ix-stat-val.is-warn { color: var(--ix-warn); }
.ix-stat-val.is-bad { color: var(--ix-danger); }

.ix-stat-delta {
 font-family: var(--mono);
 font-size: 9px;
 letter-spacing: 0.04em;
 color: var(--ix-ink-soft);
 font-weight: 400;
}

.ix-bar {
 height: 4px;
 border-radius: 2px;
 background: rgba(15, 17, 26, 0.08);
 overflow: hidden;
 margin-top: 8px;
}

.ix-bar-fill {
 height: 100%;
 width: 0%;
 background: linear-gradient(90deg, var(--ix-violet), #8b7cf0);
 border-radius: 2px;
 transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.ix-readout-section {
 padding: 16px 18px 14px;
 margin-top: 4px;
 border-radius: 14px;
 background: #fff;
 border: 1px solid var(--ix-hairline);
 box-shadow: var(--ix-shadow-sm);
}

.ix-readout-h {
 font-family: var(--mono);
 font-size: 9px;
 letter-spacing: 0.2em;
 text-transform: uppercase;
 color: var(--ix-ink-soft);
 margin-bottom: 10px;
 font-weight: 500;
}

.ix-readout-line {
 display: flex;
 justify-content: space-between;
 align-items: baseline;
 font-family: var(--mono);
 font-size: 11px;
 padding: 5px 0;
 color: var(--ix-ink-muted);
 letter-spacing: 0;
 gap: 10px;
}

.ix-readout-line .v {
 color: var(--ix-ink);
 font-weight: 500;
}

.ix-readout-line .v.pos { color: var(--ix-success); }
.ix-readout-line .v.neg { color: var(--ix-danger); }

/* ── Empty hint inside canvas ─────────────────────── */

.ix-canvas-empty {
 position: absolute;
 inset: 18px;
 display: flex;
 flex-direction: column;
 align-items: center;
 justify-content: center;
 text-align: center;
 pointer-events: none;
 border-radius: 14px;
 border: 1px dashed var(--ix-border-strong);
 background: #fafaf7;
 color: var(--ix-ink-soft);
 font-family: var(--mono);
 font-size: 11px;
 letter-spacing: 0.04em;
 opacity: 1;
 transition: opacity 0.35s ease;
 gap: 10px;
}

.ix-canvas.is-populated .ix-canvas-empty {
 opacity: 0;
}

.ix-canvas-empty span {
 font-size: 10px;
 letter-spacing: 0.22em;
 text-transform: uppercase;
 color: var(--ix-violet);
 font-weight: 600;
}

/* ── Active chips on canvas ───────────────────────── */

.ix-chip-row {
 display: flex;
 flex-wrap: wrap;
 gap: 6px;
 position: relative;
 z-index: 2;
 margin-bottom: 14px;
 min-height: 28px;
}

.ix-chip {
 --chip-color: var(--ix-violet);
 display: inline-flex;
 align-items: center;
 gap: 7px;
 padding: 4px 8px 4px 6px;
 border-radius: 6px;
 background: #fafaf7;
 border: 1px solid var(--ix-hairline);
 font-family: var(--mono);
 font-size: 10px;
 letter-spacing: 0.02em;
 color: var(--ix-ink);
 cursor: pointer;
 transition: background 0.15s ease, border-color 0.15s ease;
 animation: ix-chip-in 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.ix-chip:hover { background: #fff; border-color: color-mix(in srgb, var(--chip-color) 28%, var(--ix-hairline)); }
.ix-chip-dot {
 width: 8px;
 height: 8px;
 border-radius: 2px;
 background: var(--chip-color);
 flex-shrink: 0;
}
.ix-chip-x {
 color: var(--ix-ink-soft);
 font-size: 14px;
 margin-left: 2px;
 line-height: 1;
}
.ix-chip:hover .ix-chip-x { color: var(--ix-ink); }

@keyframes ix-chip-in {
 from { opacity: 0; transform: translateY(-4px); }
 to { opacity: 1; transform: translateY(0); }
}

/* ─────────────────────────────────────────────────────
 DYNAMIC PAGES - live composer
───────────────────────────────────────────────────── */

.ix-browser {
 margin-top: auto;
 background: #fff;
 border-radius: 16px;
 overflow: hidden;
 box-shadow: var(--ix-shadow-sm);
 border: 1px solid var(--ix-hairline);
 position: relative;
 z-index: 2;
}

.ix-browser-bar {
 display: flex;
 align-items: center;
 gap: 8px;
 padding: 9px 12px;
 background: #fafaf7;
 border-bottom: 1px solid var(--ix-border);
}
.ix-browser-bar .b-dots { display: flex; gap: 5px; }
.ix-browser-bar .b-dots span { width:9px;height:9px;border-radius:50%; }
.ix-browser-bar .b-dots span:nth-child(1){background:#ff5f57;}
.ix-browser-bar .b-dots span:nth-child(2){background:#ffbd2e;}
.ix-browser-bar .b-dots span:nth-child(3){background:#28c840;}
.ix-browser-bar .b-url {
 flex: 1;
 background: #fff;
 border-radius: 6px;
 padding: 5px 10px;
 font-family: var(--mono);
 font-size: 10px;
 color: var(--ix-ink-soft);
 border: 1px solid var(--ix-border);
 display: flex;
 align-items: center;
 gap: 6px;
}
.ix-browser-bar .b-url::before {
 content: "";
 width: 8px;
 height: 8px;
 border-radius: 50%;
 background: var(--ix-success);
 flex-shrink: 0;
}

.ix-browser-body {
 padding: 22px 22px 24px;
 display: grid;
 grid-template-columns: 1.2fr 0.8fr;
 gap: 22px;
 background: #fff;
 color: var(--ix-ink);
 min-height: 220px;
}

/* Slot wrapper - each owned by 0..1 signal at any time */
.ix-slot {
 position: relative;
 transition: outline-color 0.35s ease;
 border-radius: 8px;
 outline: 2px solid transparent;
 outline-offset: 6px;
 padding: 0;
}

.ix-slot[data-owner] {
 outline-color: var(--slot-color, var(--ix-violet));
}

.ix-slot[data-owner]::after {
 content: attr(data-owner-label);
 position: absolute;
 top: -10px;
 right: -2px;
 font-family: var(--mono);
 font-size: 8px;
 font-weight: 700;
 letter-spacing: 0.1em;
 text-transform: uppercase;
 background: var(--slot-color, var(--ix-violet));
 color: #fff;
 padding: 2px 7px;
 border-radius: 4px;
 pointer-events: none;
 box-shadow: 0 2px 8px rgba(15, 17, 26, 0.15);
 animation: ix-tag-pop 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes ix-tag-pop {
 from { opacity: 0; transform: translateY(-2px) scale(0.9); }
 to { opacity: 1; transform: translateY(0) scale(1); }
}

.ix-page-hero {
 display: flex;
 flex-direction: column;
 gap: 14px;
 justify-content: center;
}

.ix-page-badge {
 display: inline-flex;
 align-items: center;
 gap: 6px;
 font-family: var(--mono);
 font-size: 9px;
 font-weight: 600;
 letter-spacing: 0.14em;
 text-transform: uppercase;
 padding: 5px 10px;
 border-radius: 6px;
 background: var(--ix-violet-soft);
 color: var(--ix-violet);
 width: fit-content;
}

.ix-page-h1 {
 font-family: var(--sans);
 font-size: 22px;
 font-weight: 800;
 letter-spacing: -0.03em;
 line-height: 1.15;
 margin: 0;
 color: var(--ix-ink);
}

.ix-page-sub {
 font-family: var(--sans);
 font-size: 13px;
 font-weight: 400;
 line-height: 1.6;
 color: var(--ix-ink-muted);
 margin: 0;
 letter-spacing: -0.005em;
}

.ix-page-cta {
 font-family: var(--sans);
 font-size: 12px;
 font-weight: 600;
 letter-spacing: -0.005em;
 padding: 11px 16px;
 border-radius: 8px;
 border: none;
 color: #fff;
 background: var(--ix-ink);
 width: fit-content;
 cursor: default;
 box-shadow: 0 2px 6px rgba(15, 17, 26, 0.15);
}

.ix-page-aside {
 background: #fafaf7;
 border-radius: 12px;
 padding: 16px;
 border: 1px solid var(--ix-border);
 display: flex;
 flex-direction: column;
 gap: 6px;
}

.ix-page-aside-h {
 font-family: var(--mono);
 font-size: 9px;
 letter-spacing: 0.18em;
 text-transform: uppercase;
 color: var(--ix-violet);
 font-weight: 600;
 margin: 0 0 6px;
}

.ix-page-stat {
 font-family: var(--sans);
 font-size: 26px;
 font-weight: 800;
 letter-spacing: -0.03em;
 color: var(--ix-ink);
 line-height: 1;
}

.ix-page-stat-label {
 font-family: var(--mono);
 font-size: 9px;
 color: var(--ix-ink-soft);
 letter-spacing: 0.06em;
 text-transform: uppercase;
 margin: 4px 0 12px;
}

.ix-page-quote {
 font-family: var(--sans);
 font-size: 12px;
 color: var(--ix-ink-muted);
 font-style: italic;
 line-height: 1.5;
}

.ix-page-attr {
 font-family: var(--mono);
 font-size: 9px;
 font-weight: 600;
 letter-spacing: 0.1em;
 text-transform: uppercase;
 color: var(--ix-violet);
 margin-top: 4px;
}

.ix-resolver-block {
 margin: 14px 0 0;
 padding: 12px 14px;
 border-radius: 12px;
 background: #f7f6fb;
 border: 1px solid var(--ix-border);
}

.ix-resolver-h {
 font-family: var(--mono);
 font-size: 9px;
 letter-spacing: 0.18em;
 text-transform: uppercase;
 color: var(--ix-violet);
 font-weight: 600;
 margin-bottom: 8px;
}

.ix-resolver-line {
 font-family: var(--mono);
 font-size: 11px;
 line-height: 1.7;
 color: var(--ix-ink);
 letter-spacing: -0.005em;
 display: flex;
 align-items: baseline;
 gap: 8px;
}

.ix-resolver-line .k {
 color: var(--ix-ink-soft);
 min-width: 76px;
}

.ix-resolver-line .v {
 color: var(--ix-ink);
 font-weight: 500;
}

.ix-resolver-line .src {
 margin-left: auto;
 font-size: 8px;
 font-weight: 700;
 letter-spacing: 0.1em;
 text-transform: uppercase;
 padding: 1px 6px;
 border-radius: 3px;
 color: #fff;
}

.ix-resolver-line .src.base {
 background: #d4d4dc;
 color: var(--ix-ink-soft);
}

/* ─────────────────────────────────────────────────────
 DATA ANALYSIS - system map
───────────────────────────────────────────────────── */

.ix-graph {
 position: relative;
 flex: 1;
 min-height: 420px;
 background-image:
 radial-gradient(rgba(15, 17, 26, 0.08) 1px, transparent 1px);
 background-size: 22px 22px;
 background-position: 0 0;
 border-radius: 12px;
}

.ix-graph.is-connect-mode {
 cursor: crosshair;
 background-color: rgba(91, 61, 232, 0.025);
}

.ix-flow-svg {
 position: absolute;
 inset: 0;
 width: 100%;
 height: 100%;
 pointer-events: none;
 z-index: 1;
 overflow: visible;
}

.ix-node {
 position: absolute;
 display: grid;
 grid-template-columns: 30px 1fr;
 gap: 10px;
 align-items: center;
 padding: 9px 14px 9px 9px;
 border-radius: 12px;
 background: #fff;
 color: var(--ix-ink);
 font-family: var(--mono);
 font-size: 10px;
 letter-spacing: 0.02em;
 border: 1px solid var(--ix-border-strong);
 box-shadow: var(--ix-shadow-sm);
 transform: translate(-50%, -50%);
 cursor: grab;
 user-select: none;
 touch-action: none;
 transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
 z-index: 3;
 white-space: nowrap;
}

.ix-node.is-grabbing {
 cursor: grabbing;
 z-index: 6;
 box-shadow: var(--ix-shadow-lg);
}

.ix-node:hover {
 border-color: var(--ix-violet);
 box-shadow: 0 0 0 3px var(--ix-violet-soft), var(--ix-shadow-sm);
}

.ix-node.is-source {
 border-color: var(--ix-violet);
 box-shadow: 0 0 0 3px var(--ix-violet-soft), var(--ix-shadow-md);
 z-index: 5;
}

.ix-node-ico {
 width: 30px;
 height: 30px;
 border-radius: 7px;
 display: flex;
 align-items: center;
 justify-content: center;
 color: #fff;
 font-size: 11px;
 font-weight: 700;
 letter-spacing: 0;
 font-family: var(--mono);
}

.ix-node-name {
 font-family: var(--sans);
 font-size: 12px;
 font-weight: 600;
 letter-spacing: -0.01em;
 color: var(--ix-ink);
 line-height: 1.1;
}

.ix-node-tag {
 font-family: var(--mono);
 font-size: 8px;
 letter-spacing: 0.12em;
 color: var(--ix-ink-soft);
 text-transform: uppercase;
 margin-top: 3px;
}

.ix-edge {
 fill: none;
 stroke-width: 1.6;
 stroke-linecap: round;
 pointer-events: stroke;
}

.ix-edge-hit {
 fill: none;
 stroke: transparent;
 stroke-width: 16;
 cursor: pointer;
 pointer-events: stroke;
}

.ix-edge.is-good {
 stroke: var(--ix-violet);
 opacity: 0;
 animation: ix-edge-in 0.4s ease forwards;
}

.ix-edge.is-suggested {
 stroke: rgba(220, 38, 38, 0.5);
 stroke-dasharray: 5 5;
 opacity: 0;
 animation: ix-edge-in 0.4s ease forwards, ix-dash 1.2s linear infinite;
 cursor: pointer;
}

.ix-edge.is-suggested:hover {
 stroke: var(--ix-danger);
}

.ix-edge.is-temp {
 stroke: var(--ix-violet);
 stroke-dasharray: 4 4;
 opacity: 0.7;
 animation: ix-dash 0.8s linear infinite;
}

@keyframes ix-edge-in {
 to { opacity: 0.8; }
}

@keyframes ix-dash {
 to { stroke-dashoffset: -18; }
}

.ix-edge-cost {
 fill: var(--ix-danger);
 font-family: var(--mono);
 font-size: 10px;
 font-weight: 600;
 letter-spacing: 0.04em;
 pointer-events: none;
}

.ix-edge-cost-bg {
 fill: #fff;
 stroke: rgba(220, 38, 38, 0.4);
 stroke-width: 1;
 pointer-events: none;
}

.ix-graph-toolbar {
 position: absolute;
 top: 12px;
 right: 12px;
 display: flex;
 gap: 6px;
 z-index: 4;
}

.ix-tool-btn {
 font-family: var(--mono);
 font-size: 9px;
 font-weight: 600;
 letter-spacing: 0.12em;
 text-transform: uppercase;
 padding: 6px 10px;
 border-radius: 7px;
 background: #fff;
 color: var(--ix-ink);
 border: 1px solid var(--ix-border-strong);
 cursor: pointer;
 transition: all 0.15s ease;
}

.ix-tool-btn:hover {
 border-color: var(--ix-ink);
}

.ix-tool-btn.is-on {
 background: var(--ix-ink);
 color: #fff;
 border-color: var(--ix-ink);
}

/* ─────────────────────────────────────────────────────
 MORPHDESK - vertical ticket file
───────────────────────────────────────────────────── */

.md-file {
 flex: 1;
 display: flex;
 flex-direction: column;
 overflow: hidden;
}

.md-ticket-head {
 display: grid;
 grid-template-columns: auto 1fr auto;
 align-items: center;
 gap: 14px;
 padding: 16px 18px;
 background: #faf9f7;
 border-radius: 14px;
 border: 1px solid var(--ix-hairline);
 box-shadow: var(--ix-shadow-sm);
 margin-bottom: 18px;
}

.md-ticket-id {
 font-family: var(--mono);
 font-size: 11px;
 font-weight: 600;
 color: var(--ix-ink);
 letter-spacing: 0.04em;
 padding: 6px 10px;
 background: #fff;
 border-radius: 8px;
 border: 1px solid var(--ix-hairline);
}

.md-ticket-meta {
 display: flex;
 flex-direction: column;
 gap: 2px;
 min-width: 0;
}

.md-ticket-h {
 font-family: var(--sans);
 font-size: 14px;
 font-weight: 600;
 color: var(--ix-ink);
 letter-spacing: -0.02em;
 line-height: 1.2;
 white-space: nowrap;
 overflow: hidden;
 text-overflow: ellipsis;
}

.md-ticket-tags {
 display: flex;
 gap: 6px;
 font-family: var(--mono);
 font-size: 9px;
 color: var(--ix-ink-soft);
 letter-spacing: 0.04em;
}

.md-ticket-tags span {
 text-transform: uppercase;
}

.md-ticket-priority {
 font-family: var(--mono);
 font-size: 9px;
 font-weight: 600;
 letter-spacing: 0.14em;
 text-transform: uppercase;
 padding: 5px 10px;
 border-radius: 999px;
 background: rgba(220, 38, 38, 0.1);
 color: var(--ix-danger);
}

.md-ticket-priority.is-h {
 background: rgba(217, 119, 6, 0.12);
 color: var(--ix-warn);
}
.md-ticket-priority.is-m {
 background: var(--ix-violet-soft);
 color: var(--ix-violet);
}

.md-feed {
 display: flex;
 flex-direction: column;
 gap: 10px;
 position: relative;
}

.md-feed::before {
 content: "";
 position: absolute;
 top: 18px;
 bottom: 18px;
 left: 16px;
 width: 1px;
 background: var(--ix-border-strong);
 z-index: 0;
}

.md-step {
 position: relative;
 display: grid;
 grid-template-columns: 32px 1fr;
 gap: 12px;
 padding: 0 0 0 0;
 z-index: 1;
}

.md-step-marker {
 width: 32px;
 height: 32px;
 border-radius: 50%;
 background: #fff;
 border: 2px solid var(--ix-border-strong);
 display: flex;
 align-items: center;
 justify-content: center;
 font-family: var(--mono);
 font-size: 10px;
 font-weight: 700;
 color: var(--ix-ink-soft);
 position: relative;
 z-index: 2;
 transition: all 0.3s ease;
}

.md-step.is-current .md-step-marker {
 border-color: var(--ix-violet);
 background: var(--ix-violet);
 color: #fff;
 box-shadow: 0 4px 14px color-mix(in srgb, var(--ix-violet) 35%, transparent);
 animation: none;
}

.md-step.is-done .md-step-marker {
 background: var(--ix-success);
 border-color: var(--ix-success);
 color: #fff;
}

.md-step-card {
 background: #fff;
 border: 1px solid var(--ix-hairline);
 border-radius: 14px;
 padding: 14px 16px;
 box-shadow: var(--ix-shadow-sm);
 transition: border-color 0.25s ease, box-shadow 0.25s ease;
 min-width: 0;
}

.md-step.is-current .md-step-card {
 border-color: color-mix(in srgb, var(--ix-violet) 35%, var(--ix-hairline));
 box-shadow:
 0 0 0 2px color-mix(in srgb, var(--ix-violet) 12%, transparent),
 var(--ix-shadow-sm);
}

.md-step.is-pending .md-step-card {
 background: #faf9f7;
 opacity: 0.72;
}

.md-step.is-done .md-step-card {
 background: #fff;
}

.md-step-head {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 10px;
 margin-bottom: 10px;
}

.md-step-title {
 font-family: var(--sans);
 font-size: 13px;
 font-weight: 600;
 color: var(--ix-ink);
 letter-spacing: -0.01em;
 display: flex;
 align-items: center;
 gap: 8px;
}

.md-step-owner {
 font-family: var(--mono);
 font-size: 8px;
 letter-spacing: 0.12em;
 text-transform: uppercase;
 font-weight: 600;
 padding: 0;
 border-radius: 0;
}

.md-step-owner.ml,
.md-step-owner.ai { background: transparent; color: var(--ix-violet); }
.md-step-owner.human { background: transparent; color: #b45309; }
.md-step-owner.auto { background: transparent; color: var(--ix-success); }

.md-step-time {
 font-family: var(--mono);
 font-size: 9px;
 color: var(--ix-ink-soft);
 letter-spacing: 0.04em;
}

.md-step-body {
 display: none;
}

.md-step.is-current .md-step-body,
.md-step.is-done .md-step-body {
 display: block;
}

/* artifact: code/json */
.md-artifact {
 background: #0f111a;
 border-radius: 8px;
 padding: 12px 14px;
 font-family: var(--mono);
 font-size: 10.5px;
 line-height: 1.7;
 letter-spacing: 0;
 color: #c4b5fd;
 overflow-x: auto;
 margin: 0;
 white-space: pre;
}

.md-artifact .k { color: #8b7cf0; }
.md-artifact .s { color: #a5d6ff; }
.md-artifact .n { color: #ffa657; }
.md-artifact .c { color: #6b6c75; font-style: italic; }

/* artifact: diff */
.md-diff {
 background: #0f111a;
 border-radius: 8px;
 padding: 0;
 overflow: hidden;
 font-family: var(--mono);
 font-size: 10.5px;
 line-height: 1.7;
}

.md-diff-file {
 display: flex;
 align-items: center;
 gap: 8px;
 padding: 7px 14px;
 font-size: 9px;
 letter-spacing: 0.06em;
 color: #888;
 border-bottom: 1px solid rgba(255, 255, 255, 0.05);
 background: #0a0c14;
}

.md-diff-file::before {
 content: "📄";
 filter: grayscale(1) brightness(2);
 font-size: 10px;
}

.md-diff-line {
 display: grid;
 grid-template-columns: 36px 1fr;
 padding: 0 14px;
 white-space: pre;
 font-feature-settings: "calt" 0;
}

.md-diff-line span:first-child {
 color: #555;
 user-select: none;
 text-align: right;
 padding-right: 12px;
}

.md-diff-add { background: rgba(34, 197, 94, 0.12); color: #6ee7b7; }
.md-diff-rem { background: rgba(239, 68, 68, 0.12); color: #fca5a5; }
.md-diff-ctx { color: #aab; }

/* artifact: review/comment */
.md-comment {
 display: grid;
 grid-template-columns: 26px 1fr;
 gap: 10px;
 padding: 10px;
 background: #fff;
 border: 1px solid var(--ix-border);
 border-radius: 8px;
 font-family: var(--sans);
 font-size: 12px;
 line-height: 1.5;
 color: var(--ix-ink);
}

.md-comment-avatar {
 width: 26px;
 height: 26px;
 border-radius: 50%;
 background: var(--ix-violet);
 color: #fff;
 display: flex;
 align-items: center;
 justify-content: center;
 font-family: var(--mono);
 font-size: 10px;
 font-weight: 700;
}

.md-comment-name {
 font-family: var(--sans);
 font-size: 12px;
 font-weight: 600;
 color: var(--ix-ink);
 letter-spacing: -0.01em;
}
.md-comment-meta {
 font-family: var(--mono);
 font-size: 9px;
 color: var(--ix-ink-soft);
 margin-left: 6px;
}

.md-comment-body {
 margin-top: 4px;
 font-size: 12px;
 color: var(--ix-ink-muted);
 line-height: 1.55;
}

/* qa checklist */
.md-checklist {
 list-style: none;
 margin: 0;
 padding: 0;
 display: flex;
 flex-direction: column;
 gap: 6px;
}

.md-check-item {
 display: flex;
 align-items: center;
 gap: 9px;
 font-family: var(--sans);
 font-size: 12px;
 color: var(--ix-ink);
 padding: 7px 10px;
 background: #fff;
 border: 1px solid var(--ix-border);
 border-radius: 6px;
}

.md-check-box {
 width: 14px;
 height: 14px;
 border-radius: 4px;
 background: var(--ix-success);
 color: #fff;
 display: flex;
 align-items: center;
 justify-content: center;
 font-size: 9px;
 font-weight: 700;
 flex-shrink: 0;
}

.md-deploy-block {
 display: grid;
 grid-template-columns: auto 1fr auto;
 align-items: center;
 gap: 12px;
 padding: 12px 14px;
 background: rgba(21, 161, 74, 0.08);
 border: 1px solid rgba(21, 161, 74, 0.2);
 border-radius: 8px;
 font-family: var(--mono);
}

.md-deploy-tag {
 font-size: 9px;
 font-weight: 700;
 letter-spacing: 0.16em;
 text-transform: uppercase;
 color: var(--ix-success);
 padding: 4px 8px;
 background: #fff;
 border-radius: 4px;
 border: 1px solid rgba(21, 161, 74, 0.3);
}

.md-deploy-msg {
 font-size: 11px;
 color: var(--ix-ink);
 letter-spacing: 0;
}

.md-deploy-time {
 font-size: 9px;
 color: var(--ix-ink-soft);
 letter-spacing: 0.06em;
}

.md-gate-row {
 display: flex;
 gap: 8px;
 margin-top: 12px;
}

.md-gate-btn {
 font-family: var(--sans);
 font-size: 12px;
 font-weight: 600;
 letter-spacing: -0.005em;
 border: none;
 padding: 9px 14px;
 border-radius: 8px;
 cursor: pointer;
 transition: all 0.18s ease;
 display: inline-flex;
 align-items: center;
 gap: 6px;
}

.md-gate-btn.primary {
 background: var(--ix-violet);
 color: #fff;
 box-shadow: 0 4px 10px rgba(91, 61, 232, 0.25);
}

.md-gate-btn.primary:hover {
 transform: translateY(-1px);
 box-shadow: 0 8px 18px rgba(91, 61, 232, 0.35);
}

.md-gate-btn.primary:disabled {
 opacity: 0.5;
 cursor: not-allowed;
 transform: none;
 box-shadow: none;
}

.md-gate-btn.ghost {
 background: #fff;
 color: var(--ix-ink);
 border: 1px solid var(--ix-border-strong);
}

.md-gate-btn.is-approved {
 background: var(--ix-success);
 color: #fff;
 cursor: default;
}

/* ── Responsive ───────────────────────────────────── */

@media (max-width: 1140px) {
 .ix-sandbox { grid-template-columns: 220px 1fr 290px; }
}

@media (max-width: 1000px) {
 .ix-head { grid-template-columns: 1fr; }
 .ix-sandbox { grid-template-columns: 1fr; }
 .ix-canvas { min-height: 420px; }
 .ix-browser-body { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
 .ix-eyebrow::before,
 .ix-edge.is-suggested,
 .md-step.is-current .md-step-marker,
 .ix-edge.is-temp {
 animation: none;
 }
}