@import url("https://fonts.googleapis.com/css2?family=Instrument+Sans:wght@400;500;600&family=JetBrains+Mono:wght@400;500&family=Space+Grotesk:wght@500;600;700&display=swap");

:root {
  color-scheme: light;
  --bg: #f5f1e8;
  --bg-2: #e9f1f0;
  --ink: #101217;
  --muted: #5a5f67;
  --accent: #0f766e;
  --accent-2: #d97706;
  --card: rgba(255, 255, 255, 0.9);
  --border: rgba(16, 18, 23, 0.08);
  --shadow: 0 20px 50px rgba(18, 24, 32, 0.12);
  --impact-add: #10b981;
  --impact-add-soft: rgba(16, 185, 129, 0.22);
  --impact-modify: #eab308;
  --impact-modify-soft: rgba(234, 179, 8, 0.24);
  --impact-branch: #3b82f6;
  --impact-branch-soft: rgba(59, 130, 246, 0.22);
  --impact-delete: #ef4444;
  --impact-delete-soft: rgba(239, 68, 68, 0.22);
  --sticky-offset: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Instrument Sans", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background: linear-gradient(140deg, var(--bg), var(--bg-2));
  min-height: 100vh;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(15, 118, 110, 0.12), transparent 50%),
    radial-gradient(circle at 85% 10%, rgba(217, 119, 6, 0.15), transparent 45%),
    radial-gradient(circle at 40% 80%, rgba(15, 118, 110, 0.08), transparent 55%);
  pointer-events: none;
  z-index: -1;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 40px 20px;
  gap: 24px;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.guide-toggle {
  border: 1px solid rgba(15, 118, 110, 0.25);
  background: rgba(255, 255, 255, 0.9);
  color: #0f5f53;
  font-weight: 600;
  font-size: 13px;
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 14px 28px rgba(15, 118, 110, 0.12);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.guide-toggle:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 30px rgba(15, 118, 110, 0.18);
}

.guide-toggle.is-active {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, #0f766e, #1f9d8c);
  color: #fff;
  font-family: "Space Grotesk", sans-serif;
  display: grid;
  place-items: center;
  font-size: 18px;
  letter-spacing: 1px;
  text-transform: uppercase;
  box-shadow: 0 12px 24px rgba(15, 118, 110, 0.3);
}

.brand-title {
  font-family: "Space Grotesk", sans-serif;
  font-size: 20px;
  font-weight: 700;
}

.brand-sub {
  font-size: 14px;
  color: var(--muted);
}

.progress {
  min-width: 240px;
  padding: 16px 18px;
  border-radius: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 8px;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(16, 18, 23, 0.08);
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), #1fb7a4);
  border-radius: 999px;
  transition: width 0.3s ease;
}

.guide-overlay {
  position: fixed;
  top: 96px;
  right: 24px;
  width: min(460px, 33vw);
  max-height: calc(100vh - 140px);
  background: rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 30px 60px rgba(15, 23, 42, 0.2);
  z-index: 60;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateX(24px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.guide-overlay.is-open {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.guide-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 20px 12px;
  border-bottom: 1px solid var(--border);
}

.guide-kicker {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.guide-title {
  margin: 6px 0 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 20px;
}

.guide-close {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 10px;
  width: 30px;
  height: 30px;
  font-weight: 700;
  cursor: pointer;
}

.guide-body {
  padding: 14px 20px 20px;
  display: grid;
  gap: 14px;
  overflow: auto;
}

.guide-section h3 {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 700;
}

.guide-section p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.guide-step {
  border: 1px solid rgba(16, 18, 23, 0.08);
  background: rgba(255, 255, 255, 0.6);
  border-radius: 12px;
  padding: 10px 12px;
  display: grid;
  gap: 4px;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.guide-step strong {
  font-size: 12px;
}

.guide-step span {
  font-size: 12px;
  color: var(--muted);
}

.guide-step:hover,
.guide-step:focus {
  outline: none;
  border-color: rgba(15, 118, 110, 0.4);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}

.guide-highlight {
  box-shadow:
    0 0 0 3px rgba(15, 118, 110, 0.5),
    0 24px 55px rgba(15, 118, 110, 0.35);
  border-color: rgba(15, 118, 110, 0.55) !important;
  outline: 2px solid rgba(15, 118, 110, 0.4);
  outline-offset: 2px;
  background: rgba(15, 118, 110, 0.08);
  transform: translateY(-1px);
  position: relative;
  z-index: 5;
}

.layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 24px;
  padding: 0 40px 48px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card + .card {
  margin-top: 18px;
}

.kicker {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.filter-action {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.6);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-action:hover {
  border-color: rgba(16, 18, 23, 0.2);
  color: var(--ink);
}

.pr-title {
  margin: 10px 0 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 20px;
}

.pr-url {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  color: var(--accent);
  text-decoration: none;
  word-break: break-all;
}

.pr-meta {
  display: grid;
  gap: 10px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}

.pr-meta span {
  color: var(--ink);
  font-weight: 600;
}

.segmented {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-top: 12px;
}

.segmented button {
  border: 1px solid var(--border);
  background: transparent;
  border-radius: 12px;
  padding: 10px 8px;
  cursor: pointer;
  font-weight: 600;
  color: var(--muted);
  transition: all 0.2s ease;
}

.segmented button.is-active {
  background: var(--ink);
  color: #fff;
  border-color: transparent;
}

.view-hint {
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}

.mini-pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.mini-pill {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--border);
  background: #fff;
}

.filter-pill {
  appearance: none;
  cursor: pointer;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
  opacity: 0.6;
}

.filter-pill.is-selected {
  opacity: 1;
  font-weight: 600;
  background: rgba(16, 18, 23, 0.05);
  border-color: currentColor;
}

.filter-pill:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

.panel-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
}

.panel-title {
  font-family: "Space Grotesk", sans-serif;
  font-size: 22px;
  margin: 0;
}

.panel-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.group-meta {
  font-size: 13px;
  color: var(--muted);
}

.group {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
  animation: rise 0.35s ease both;
}

.view-usecase .group {
  position: relative;
}

.view-usecase .group-header {
  position: sticky;
  top: var(--sticky-offset);
  z-index: 4;
  background: var(--card);
  padding: 8px 0;
}

.view-usecase .sequence-card {
  position: sticky;
  top: calc(var(--sticky-offset) + var(--sticky-header-height, 0px) + 12px);
  z-index: 3;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 12px 24px rgba(18, 24, 32, 0.08);
}

.empty-state {
  padding: 24px;
  border-radius: 16px;
  border: 1px dashed var(--border);
  background: rgba(255, 255, 255, 0.7);
  color: var(--muted);
  text-align: center;
  font-size: 13px;
}

.group-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.group.is-collapsed .group-header {
  margin-bottom: 0;
}

.group.is-collapsed .group-content {
  display: none;
}

.group-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.group-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.group-title {
  font-size: 18px;
  font-weight: 700;
}

.usecase-status {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid transparent;
}

.usecase-status.is-new {
  background: rgba(15, 118, 110, 0.12);
  color: #0f5f53;
  border-color: rgba(15, 118, 110, 0.35);
}

.usecase-status.is-modified {
  background: rgba(217, 119, 6, 0.12);
  color: #8a4d06;
  border-color: rgba(217, 119, 6, 0.35);
}

.group-sub {
  font-size: 13px;
  color: var(--muted);
}

.group-progress {
  font-size: 13px;
  color: var(--muted);
}

.group-toggle {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.group-toggle:hover {
  border-color: rgba(16, 18, 23, 0.2);
  color: var(--ink);
}

.group-toggle-icon {
  font-size: 12px;
  line-height: 1;
}

.hunk-list {
  display: grid;
  gap: 12px;
}

.hunk-card {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(16, 18, 23, 0.08);
  border-radius: 16px;
  padding: 14px;
  display: block;
  animation: rise 0.35s ease both;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.hunk-card.is-highlighted {
  border-width: 2px;
}

.hunk-card.is-highlighted.is-add {
  border-color: var(--impact-add);
  box-shadow: 0 0 0 2px var(--impact-add-soft);
}

.hunk-card.is-highlighted.is-modify {
  border-color: var(--impact-modify);
  box-shadow: 0 0 0 2px var(--impact-modify-soft);
}

.hunk-card.is-highlighted.is-branch {
  border-color: var(--impact-branch);
  box-shadow: 0 0 0 2px var(--impact-branch-soft);
}

.hunk-card.is-highlighted.is-delete {
  border-color: var(--impact-delete);
  box-shadow: 0 0 0 2px var(--impact-delete-soft);
}

.hunk-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 12px;
}

.meta-group {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.meta-key {
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.2px;
}

.meta-link {
  appearance: none;
  border: none;
  background: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  font: inherit;
  color: inherit;
}

.meta-link:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
  border-radius: 999px;
}

.meta-link:hover .pill,
.meta-link:hover .tag {
  filter: brightness(0.96);
}

.meta-link:hover .file,
.meta-link:focus-visible .file {
  color: var(--ink);
  text-decoration: underline;
}

.pill {
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

.tag {
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.12);
  color: #0f5f53;
  font-weight: 600;
  font-size: 11px;
}

.file {
  font-family: "JetBrains Mono", monospace;
  color: var(--muted);
}

.lines {
  margin-left: auto;
  font-size: 11px;
  color: var(--muted);
}

.hunk-summary {
  font-weight: 600;
  margin: 8px 0;
}

.hunk-reason {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--muted);
}

.impact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: 1 1 auto;
  min-width: 0;
}

.impact-chip {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid transparent;
}

.impact-chip.is-add {
  background: rgba(16, 185, 129, 0.16);
  color: #0f6d49;
  border-color: rgba(16, 185, 129, 0.4);
}

.impact-chip.is-modify {
  background: rgba(234, 179, 8, 0.16);
  color: #7a5f00;
  border-color: rgba(234, 179, 8, 0.45);
}

.impact-chip.is-branch {
  background: rgba(59, 130, 246, 0.16);
  color: #1f4fa3;
  border-color: rgba(59, 130, 246, 0.45);
}

.impact-chip.is-neutral {
  background: rgba(15, 23, 42, 0.05);
  color: var(--muted);
  border-color: var(--border);
}

.impact-chip.is-delete {
  background: rgba(239, 68, 68, 0.16);
  color: #8a1f1f;
  border-color: rgba(239, 68, 68, 0.45);
}

.diff-editor {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(16, 18, 23, 0.12);
  background: #0e1517;
}

.hunk-editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.review-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}

.review-toggle input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.hunk-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
  margin-left: auto;
}

.expand-button {
  border: 1px solid var(--border);
  background: #fff;
  padding: 6px 10px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  color: var(--ink);
}

.expand-button:hover {
  border-color: rgba(16, 18, 23, 0.2);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar-left {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .guide-toggle {
    width: 100%;
  }

  .progress {
    width: 100%;
  }
}

@media (max-width: 720px) {
  .topbar,
  .layout {
    padding: 20px;
  }

  .lines {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

.sequence-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.8);
  padding: 14px;
  margin-bottom: 16px;
}

.sequence-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
}

.sequence-title {
  font-weight: 700;
}

.sequence-sub {
  font-size: 12px;
  color: var(--muted);
}

.sequence-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.sequence-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 12px;
  align-items: start;
  margin-top: 12px;
}

.sequence-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  padding-top: 6px;
}

.sequence-track {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.sequence-step {
  padding: 6px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sequence-step.is-selectable {
  cursor: pointer;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.sequence-step.is-selectable:hover {
  transform: translateY(-1px);
}

.sequence-step.is-selected {
  background: rgba(16, 18, 23, 0.04);
}

.sequence-step.is-selected:not(.is-add):not(.is-modify):not(.is-branch):not(.is-delete) {
  border-color: rgba(16, 18, 23, 0.25);
  box-shadow: 0 0 0 2px rgba(16, 18, 23, 0.08);
}

.sequence-step:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.sequence-step.is-add {
  border-color: rgba(16, 185, 129, 0.6);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.12);
}

.sequence-step.is-selected.is-add {
  border-color: var(--impact-add);
  box-shadow: 0 0 0 2px var(--impact-add-soft);
}

.sequence-step.is-modify {
  border-color: rgba(234, 179, 8, 0.6);
  box-shadow: 0 0 0 2px rgba(234, 179, 8, 0.12);
}

.sequence-step.is-selected.is-modify {
  border-color: var(--impact-modify);
  box-shadow: 0 0 0 2px var(--impact-modify-soft);
}

.sequence-step.is-branch {
  border-color: rgba(59, 130, 246, 0.6);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.12);
}

.sequence-step.is-selected.is-branch {
  border-color: var(--impact-branch);
  box-shadow: 0 0 0 2px var(--impact-branch-soft);
}

.sequence-step.is-delete {
  border-color: rgba(239, 68, 68, 0.6);
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.12);
}

.sequence-step.is-selected.is-delete {
  border-color: var(--impact-delete);
  box-shadow: 0 0 0 2px var(--impact-delete-soft);
}

.sequence-step-badge {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.sequence-arrow {
  color: var(--muted);
  font-weight: 600;
}

.sequence-empty {
  color: var(--muted);
  font-size: 13px;
  border: 1px dashed var(--border);
  padding: 10px;
  border-radius: 12px;
}

.repo-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 16px;
}

.repo-panel {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  box-shadow: 0 16px 32px rgba(18, 24, 32, 0.1);
}

.repo-filter {
  display: flex;
  gap: 10px;
  align-items: center;
}

.repo-filter input {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--border);
  padding: 10px 12px;
  font-size: 13px;
  font-family: "Instrument Sans", sans-serif;
}

.repo-filter-button {
  border: 1px solid var(--border);
  background: #fff;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.repo-tree {
  margin-top: 14px;
  display: grid;
  gap: 6px;
}

.tree-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 10px;
  cursor: pointer;
  width: 100%;
  min-width: 0;
}

.tree-row:hover {
  background: rgba(16, 18, 23, 0.05);
}

.tree-row.is-active {
  background: rgba(15, 118, 110, 0.12);
  color: #0f5f53;
}

.tree-caret {
  width: 16px;
  text-align: center;
  font-weight: 700;
  color: var(--muted);
}

.tree-icon {
  width: 16px;
  height: 12px;
  border-radius: 3px;
  background: #dbeafe;
  border: 1px solid rgba(29, 78, 216, 0.4);
}

.tree-icon.file {
  background: #e2e8f0;
  border-color: rgba(30, 41, 59, 0.2);
}

.tree-name {
  font-size: 13px;
  font-weight: 600;
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tree-count {
  margin-left: auto;
  font-size: 11px;
  color: var(--muted);
  flex-shrink: 0;
  white-space: nowrap;
}

.repo-hunks {
  display: grid;
  gap: 12px;
  align-content: start;
}

.repo-hunks-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0;
}

.repo-hunks-title {
  font-family: "Space Grotesk", sans-serif;
  font-size: 18px;
  margin: 0;
}

.repo-hunks-sub {
  font-size: 12px;
  color: var(--muted);
}

.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 40;
}

.modal.is-hidden {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
}

.modal-content {
  position: relative;
  width: min(1100px, 92vw);
  max-height: 92vh;
  background: #fff;
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  z-index: 1;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-family: "Space Grotesk", sans-serif;
  font-size: 18px;
  margin: 0 0 4px;
}

.modal-sub {
  font-size: 13px;
  color: var(--muted);
}

.modal-close {
  border: 1px solid var(--border);
  background: #fff;
  padding: 6px 10px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
}

.modal-body {
  padding: 16px 20px 20px;
  display: grid;
  gap: 12px;
}

.modal-editor {
  height: 60vh;
  border-radius: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
  background: #0e1517;
}

@media (max-width: 960px) {
  .repo-layout {
    grid-template-columns: 1fr;
  }

  .guide-overlay {
    left: 16px;
    right: 16px;
    width: auto;
    top: 88px;
    max-height: calc(100vh - 120px);
  }
}