:root,
:root[data-theme="dark"] {
  --bg: #040814;
  --bg-soft: #091225;
  --panel: linear-gradient(160deg, rgba(8, 18, 38, 0.95), rgba(7, 13, 28, 0.95));
  --panel-alt: #0b162d;
  --card: #0a1326;
  --line: rgba(68, 104, 169, 0.35);
  --text: #e9f0ff;
  --muted: #8ea3c5;
  --accent: #ff6c3a;
  --accent-2: #14d5ff;
  --phase-accent: #ff8f52;
  --step-accent: #47b8ff;
  --snippet-accent: #39d98f;
  --ok: #18d998;
  --warn: #ff9f60;
  --phase-bg: #101926;
  --phase-head-bg: #261910;
  --phase-body-bg: #091b36;
  --task-bg: rgba(9, 30, 56, 0.86);
  --task-border: rgba(71, 184, 255, 0.45);
  --snippet-bg: #081a14;
  --snippet-head-bg: #0f2a22;
  --snippet-code: #d3dfd7;
  --kind-terminal: #36d698;
  --kind-windows: #31c68d;
  --kind-database: #59d07d;
  --kind-scripting: #2dc58c;
  --kind-web: #29bb84;
  --kind-generic: #3acb93;
  --shadow: 0 25px 60px rgba(2, 6, 15, 0.55);
}

:root[data-theme="light"] {
  --bg: #f1f4f8;
  --bg-soft: #e9edf3;
  --panel: #ffffff;
  --panel-alt: #f6f8fc;
  --card: #ffffff;
  --line: rgba(66, 85, 112, 0.2);
  --text: #172236;
  --muted: #52627a;
  --accent: #c25734;
  --accent-2: #2e6f9f;
  --phase-accent: #c25734;
  --step-accent: #2e6f9f;
  --snippet-accent: #1f925f;
  --ok: #1d8f63;
  --warn: #b45f31;
  --phase-bg: #ffffff;
  --phase-head-bg: #fff1e8;
  --phase-body-bg: #f8fafd;
  --task-bg: #f6faff;
  --task-border: rgba(46, 111, 159, 0.35);
  --snippet-bg: #f0faf4;
  --snippet-head-bg: #e3f3ea;
  --snippet-code: #50695a;
  --kind-terminal: #1f925f;
  --kind-windows: #238c5f;
  --kind-database: #2d9667;
  --kind-scripting: #1e875a;
  --kind-web: #218a5e;
  --kind-generic: #2a9062;
  --shadow: 0 8px 22px rgba(43, 61, 88, 0.1);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Segoe UI Variable Text", "Bahnschrift", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, rgba(20, 213, 255, 0.12), transparent 35%),
    radial-gradient(circle at 85% 5%, rgba(255, 108, 58, 0.1), transparent 36%),
    var(--bg);
}

:root[data-theme="light"] body {
  background: linear-gradient(180deg, #f7f9fc 0%, #edf2f7 100%);
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 32px 32px;
}

:root[data-theme="light"] .noise {
  opacity: 0.05;
  background-size: 36px 36px;
}

.layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
  align-items: start;
  min-height: 100vh;
  gap: 1rem;
  padding: 1rem;
}

.sidebar {
  position: sticky;
  top: 0.6rem;
  align-self: start;
  max-height: calc(100vh - 1.2rem);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 1rem;
  overflow: hidden;
}

.brand {
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.9rem;
}

.brand-kicker {
  margin: 0;
  font: 600 0.72rem/1.2 "Cascadia Mono", "Consolas", monospace;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.brand h1 {
  margin: 0.5rem 0 0;
  font-size: 1.65rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-label {
  margin: 0 0 0.6rem;
  font: 600 0.75rem/1.2 "Cascadia Mono", "Consolas", monospace;
  letter-spacing: 0.09em;
  color: var(--muted);
  text-transform: uppercase;
}

.nav-wrap {
  min-height: 0;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.phase-nav {
  display: grid;
  gap: 0.35rem;
  overflow: auto;
  max-height: 100%;
  padding-right: 0.25rem;
}

.phase-nav::-webkit-scrollbar {
  width: 8px;
}

.phase-nav::-webkit-scrollbar-thumb {
  border-radius: 999px;
  border: 2px solid transparent;
  background: color-mix(in srgb, var(--step-accent) 26%, transparent);
  background-clip: content-box;
}

.phase-link {
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--text);
  background: rgba(17, 34, 65, 0.35);
  padding: 0.42rem 0.52rem;
  text-align: left;
  cursor: pointer;
  transition: 150ms ease;
}

.phase-link:hover,
.phase-link.is-active {
  border-color: var(--line);
  box-shadow: inset 0 0 0 1px var(--line);
}

.phase-link-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.83rem;
}

.phase-link small {
  display: block;
  margin-top: 0.12rem;
  color: var(--muted);
  font-size: 0.72rem;
}

.main {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.hero {
  padding: 1.2rem;
}

.hero-top {
  margin-top: 0.52rem;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.95fr);
  gap: 1rem 1.25rem;
  align-items: stretch;
}

.hero-copy-block {
  min-width: 0;
  max-width: 68ch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.72rem;
  padding: 0 0.1rem 0 0;
}

.hero-side {
  min-width: 0;
  width: 100%;
  justify-self: stretch;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.85rem;
  background: color-mix(in srgb, var(--panel-alt) 86%, transparent);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.8rem;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--line) 18%, transparent);
}

.hero .hero-copy-block h2 {
  margin: 0;
}

.hero-kicker {
  margin: 0;
}

.hero-kicker-link {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: color-mix(in srgb, var(--phase-accent) 14%, transparent);
  color: var(--phase-accent);
  font: 600 0.78rem/1 "Cascadia Mono", "Consolas", monospace;
  letter-spacing: 0.02em;
  text-decoration: none;
  padding: 0.5rem 0.62rem;
  transition: border-color 140ms ease, background-color 140ms ease, box-shadow 140ms ease;
}

.hero-kicker-link:hover {
  border-color: var(--line);
  background: color-mix(in srgb, var(--phase-accent) 22%, transparent);
}

.hero-kicker-link:focus-visible {
  outline: none;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--phase-accent) 45%, transparent);
}

.hero-kicker-icon {
  width: 0.92rem;
  height: 0.92rem;
  fill: currentColor;
  flex-shrink: 0;
}

.hero h2 {
  margin: 0.52rem 0 0;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.08;
}

.hero h2 span {
  color: var(--phase-accent);
}

.hero-copy {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
}

.hero-chips {
  margin-top: 0.15rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip {
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(20, 43, 79, 0.34);
  color: var(--text);
  font: 600 0.78rem/1 "Cascadia Mono", "Consolas", monospace;
  letter-spacing: 0.02em;
  padding: 0.5rem 0.62rem;
}

button.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  cursor: pointer;
}

.chip-icon {
  width: 0.9rem;
  height: 0.9rem;
  fill: currentColor;
  flex-shrink: 0;
}

.chip-outline {
  background: transparent;
}

.chip-ok {
  border-color: var(--line);
  color: var(--ok);
}

.chip-blue {
  border-color: var(--line);
  color: var(--accent-2);
}

.chip-warn {
  border-color: var(--line);
  color: var(--warn);
}

.progress-wrap {
  margin-top: 0;
  width: 100%;
  justify-self: stretch;
}

.progress-meta p {
  margin: 0;
}

.progress-actions {
  margin-top: 0.38rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "bar reset";
  gap: 0.56rem;
  align-items: center;
}

.progress-inline {
  margin: 0;
  text-align: right;
  color: var(--muted);
  font: 600 0.76rem/1 "Cascadia Mono", "Consolas", monospace;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font: 600 0.8rem/1 "Cascadia Mono", "Consolas", monospace;
  color: var(--muted);
  text-transform: uppercase;
}

.progress-bar {
  grid-area: bar;
  height: 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  overflow: hidden;
  background: rgba(12, 24, 45, 0.7);
}

#progressFill {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #5cc4ff, #3ea8ff);
  transition: width 160ms ease;
}

#resetBtn {
  grid-area: reset;
  width: 2.1rem;
  height: 2.1rem;
  padding: 0;
  border-radius: 10px;
  justify-self: end;
  justify-content: center;
}

.control-grid {
  margin-top: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.62rem;
  align-items: stretch;
  border-top: 1px solid var(--line);
  padding-top: 0.78rem;
}

.search {
  display: grid;
  gap: 0.35rem;
}

.search span {
  font: 600 0.74rem/1 "Cascadia Mono", "Consolas", monospace;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.search input {
  width: 100%;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: var(--panel-alt);
  color: var(--text);
  font: 500 0.95rem/1.2 "Segoe UI Variable Text", "Segoe UI", sans-serif;
  padding: 0.62rem 0.74rem;
}

.search input:focus,
.search input:focus-visible,
:root[data-theme="light"] .search input:focus,
:root[data-theme="light"] .search input:focus-visible {
  border-color: #ff8f52;
  outline: none;
  box-shadow: 0 0 0 1px color-mix(in srgb, #ff8f52 50%, transparent);
}

.search-hint {
  margin: 0.08rem 0 0;
  font: 600 0.7rem/1.2 "Cascadia Mono", "Consolas", monospace;
  color: #ff8f52;
  letter-spacing: 0.04em;
}

:root[data-theme="light"] .search-hint {
  color: #b9502f;
}

.hero-buttons {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem;
  align-items: stretch;
}

.hero-buttons .chip {
  width: 100%;
  min-height: 2.08rem;
  justify-content: center;
}

.phase-container {
  display: grid;
  gap: 1.05rem;
  padding-bottom: 1.5rem;
}

.phase-card {
  background: var(--phase-bg);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  animation: fadeUp 260ms ease both;
}

.phase-head {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: var(--phase-head-bg);
  color: var(--text);
  padding: 0.72rem 0.85rem;
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  gap: 0.7rem;
  align-items: center;
  text-align: left;
  cursor: pointer;
}

.phase-head > div {
  justify-self: start;
  text-align: left;
}

.phase-index {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  border: 1px solid var(--line);
  color: var(--phase-accent);
  font: 700 0.82rem/1 "Cascadia Mono", "Consolas", monospace;
}

.step-index {
  min-width: 36px;
  height: 1.5rem;
  display: inline-grid;
  place-items: center;
  padding: 0 0.34rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  color: var(--step-accent);
  font: 700 0.72rem/1 "Cascadia Mono", "Consolas", monospace;
  flex-shrink: 0;
}

.phase-title {
  margin: 0;
  font-size: 1.02rem;
}

.phase-counts {
  margin: 0.24rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.phase-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  font: 700 0.72rem/1 "Cascadia Mono", "Consolas", monospace;
  color: #ff8f52;
  border: 1px solid #ff8f52;
  border-radius: 8px;
  background: transparent;
  padding: 0.28rem 0.44rem;
  text-transform: uppercase;
}

.phase-toggle-icon {
  width: 0.82rem;
  height: 0.82rem;
  fill: currentColor;
  flex-shrink: 0;
}

.phase-head:hover .phase-toggle {
  background: color-mix(in srgb, #ff8f52 12%, transparent);
}

.phase-done {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.phase-done-check {
  width: 0.95rem;
  height: 0.95rem;
  margin: 0;
  accent-color: var(--phase-accent);
  cursor: pointer;
}

.phase-body {
  display: grid;
  gap: 0.66rem;
  padding: 0.76rem;
  background: var(--phase-body-bg);
  border-top: 1px solid var(--line);
}

.phase-card.is-collapsed .phase-body {
  display: none;
}

.task-card {
  border: 1px solid var(--task-border);
  border-left: 3px solid color-mix(in srgb, var(--step-accent) 55%, transparent);
  border-radius: 12px;
  background: var(--task-bg);
  padding: 0.66rem;
  box-shadow: inset 0 0 0 1px rgba(8, 28, 57, 0.2);
}

.task-card.is-clickable {
  cursor: pointer;
}

:root[data-theme="light"] .task-card {
  border-left-color: color-mix(in srgb, var(--step-accent) 55%, transparent);
  box-shadow: inset 0 0 0 1px rgba(176, 189, 210, 0.4);
}

.task-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.6rem;
  align-items: start;
}

.task-check-label {
  display: flex;
  gap: 0.62rem;
  font-weight: 600;
  align-items: start;
}

.task-check {
  width: 1.03rem;
  height: 1.03rem;
  margin-top: 0.18rem;
  accent-color: var(--step-accent);
}

.task-meta {
  margin: 0.34rem 0 0;
}

.phase-meta {
  margin: 0 0 0.12rem;
}

.meta-inline {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.18rem;
  min-width: 0;
}

.meta-inline-step {
  font-size: 0.8rem;
}

.meta-inline-phase {
  font-size: 0.77rem;
}

.meta-brief-line {
  margin: 0;
  display: inline-flex;
  align-items: baseline;
  gap: 0.32rem;
  min-width: 0;
  color: var(--muted);
}

.meta-brief-text {
  min-width: 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
}

.meta-inline-phase .meta-brief-text {
  -webkit-line-clamp: 1;
  line-clamp: 1;
}

.meta-when-line {
  margin: 0;
  display: inline-flex;
  align-items: baseline;
  gap: 0.32rem;
  min-width: 0;
  color: var(--muted);
}

.meta-when-text {
  min-width: 0;
  max-width: none;
  overflow: visible;
  text-overflow: clip;
  white-space: normal;
  overflow-wrap: anywhere;
}

.meta-key {
  font: 700 0.61rem/1 "Cascadia Mono", "Consolas", monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #4faeff;
  opacity: 0.92;
}

.meta-inline code {
  font: 600 0.74rem/1 "Cascadia Mono", "Consolas", monospace;
  color: #74c9ff;
  background: color-mix(in srgb, #4faeff 16%, transparent);
  border: 1px solid color-mix(in srgb, #4faeff 42%, transparent);
  border-radius: 6px;
  padding: 0.09rem 0.29rem;
}

.meta-inline a {
  color: var(--step-accent);
  text-underline-offset: 0.15rem;
}

.task-head-actions {
  display: flex;
  gap: 0.42rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.task-snippet-btn {
  border-color: var(--line);
  color: var(--step-accent);
}

.snippet-stack {
  margin-top: 0.56rem;
  display: grid;
  gap: 0.54rem;
}

.snippet-stack[hidden] {
  display: none !important;
}

.snippet-block {
  position: relative;
  border: 1px solid var(--task-border);
  border-left: 3px solid var(--snippet-accent);
  border-radius: 10px;
  overflow: hidden;
  background: var(--snippet-bg);
}

.snippet-block[data-kind="terminal"] {
  border-left-color: var(--kind-terminal);
}

.snippet-block[data-kind="windows"] {
  border-left-color: var(--kind-windows);
}

.snippet-block[data-kind="database"] {
  border-left-color: var(--kind-database);
}

.snippet-block[data-kind="scripting"] {
  border-left-color: var(--kind-scripting);
}

.snippet-block[data-kind="web"] {
  border-left-color: var(--kind-web);
}

.snippet-head {
  padding: 0.4rem 0.55rem;
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: var(--snippet-head-bg);
}

.snippet-copy {
  border-color: var(--line);
  color: var(--snippet-accent);
}

.snippet-lang {
  color: var(--snippet-accent);
  font: 600 0.73rem/1 "Cascadia Mono", "Consolas", monospace;
  text-transform: uppercase;
  padding: 0.12rem 0.38rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(18, 33, 61, 0.35);
}

.snippet-block[data-kind="terminal"] .snippet-lang {
  color: var(--kind-terminal);
  border-color: color-mix(in srgb, var(--kind-terminal) 45%, transparent);
}

.snippet-block[data-kind="windows"] .snippet-lang {
  color: var(--kind-windows);
  border-color: color-mix(in srgb, var(--kind-windows) 45%, transparent);
}

.snippet-block[data-kind="database"] .snippet-lang {
  color: var(--kind-database);
  border-color: color-mix(in srgb, var(--kind-database) 45%, transparent);
}

.snippet-block[data-kind="scripting"] .snippet-lang {
  color: var(--kind-scripting);
  border-color: color-mix(in srgb, var(--kind-scripting) 45%, transparent);
}

.snippet-block[data-kind="web"] .snippet-lang {
  color: var(--kind-web);
  border-color: color-mix(in srgb, var(--kind-web) 45%, transparent);
}

.snippet-block pre {
  margin: 0;
  padding: 0.6rem;
  overflow: auto;
}

.snippet-block code {
  color: var(--snippet-code);
  font: 500 0.8rem/1.42 "Cascadia Mono", "Consolas", monospace;
}

.snippet-block code.is-shell-highlighted .sh-cmd {
  color: #ffb067;
  font-weight: 700;
}

.snippet-block code.is-shell-highlighted .sh-arg {
  color: #74c9ff;
}

.snippet-block code.is-shell-highlighted .sh-env {
  color: #78d6a9;
}

.snippet-block code.is-shell-highlighted .sh-var {
  color: #c5a2ff;
}

.snippet-block code.is-shell-highlighted .sh-comment {
  color: #8f9aae;
}

:root[data-theme="light"] .snippet-block code.is-shell-highlighted .sh-cmd {
  color: #ffb067;
}

:root[data-theme="light"] .snippet-block code.is-shell-highlighted .sh-arg {
  color: #74c9ff;
}

:root[data-theme="light"] .snippet-block code.is-shell-highlighted .sh-env {
  color: #2b7a56;
}

:root[data-theme="light"] .snippet-block code.is-shell-highlighted .sh-var {
  color: #c5a2ff;
}

:root[data-theme="light"] .snippet-block code.is-shell-highlighted .sh-comment {
  color: #7b879b;
}

.snippet-block pre code.hljs {
  display: block;
  margin: 0;
  padding: 0;
  background: transparent;
  color: var(--snippet-code);
}

:root[data-theme="dark"] .snippet-block .hljs-comment,
:root[data-theme="dark"] .snippet-block .hljs-quote {
  color: #72927f;
}

:root[data-theme="dark"] .snippet-block .hljs-keyword,
:root[data-theme="dark"] .snippet-block .hljs-selector-tag,
:root[data-theme="dark"] .snippet-block .hljs-literal {
  color: #54d39f;
}

:root[data-theme="dark"] .snippet-block .hljs-string,
:root[data-theme="dark"] .snippet-block .hljs-title,
:root[data-theme="dark"] .snippet-block .hljs-section {
  color: #9ce5c4;
}

:root[data-theme="dark"] .snippet-block .hljs-number,
:root[data-theme="dark"] .snippet-block .hljs-symbol,
:root[data-theme="dark"] .snippet-block .hljs-bullet {
  color: #72c89b;
}

:root[data-theme="dark"] .snippet-block .hljs-variable,
:root[data-theme="dark"] .snippet-block .hljs-template-variable,
:root[data-theme="dark"] .snippet-block .hljs-attribute {
  color: #b8f2d5;
}

:root[data-theme="light"] .snippet-block .hljs-comment,
:root[data-theme="light"] .snippet-block .hljs-quote {
  color: #6f8b78;
}

:root[data-theme="light"] .snippet-block .hljs-keyword,
:root[data-theme="light"] .snippet-block .hljs-selector-tag,
:root[data-theme="light"] .snippet-block .hljs-literal {
  color: #1f8c5d;
}

:root[data-theme="light"] .snippet-block .hljs-string,
:root[data-theme="light"] .snippet-block .hljs-title,
:root[data-theme="light"] .snippet-block .hljs-section {
  color: #2b9968;
}

:root[data-theme="light"] .snippet-block .hljs-number,
:root[data-theme="light"] .snippet-block .hljs-symbol,
:root[data-theme="light"] .snippet-block .hljs-bullet {
  color: #2e8d62;
}

:root[data-theme="light"] .snippet-block .hljs-variable,
:root[data-theme="light"] .snippet-block .hljs-template-variable,
:root[data-theme="light"] .snippet-block .hljs-attribute {
  color: #1f7b55;
}

.snippet-block code::selection {
  background: rgba(20, 213, 255, 0.32);
  color: #f8fbff;
}

:root[data-theme="light"] .snippet-block code::selection {
  background: rgba(0, 111, 152, 0.24);
  color: #12213b;
}

.snippet-block.is-copied {
  border-color: rgba(57, 201, 138, 0.9);
  box-shadow: 0 0 0 1px rgba(57, 201, 138, 0.55), 0 0 22px rgba(57, 201, 138, 0.26);
  animation: snippetCopiedPulse 900ms ease;
}

:root[data-theme="light"] .snippet-block.is-copied {
  border-color: rgba(29, 143, 99, 0.85);
  box-shadow: 0 0 0 1px rgba(29, 143, 99, 0.42), 0 0 14px rgba(29, 143, 99, 0.24);
}

.snippet-copy.is-copied {
  color: #d8ffe8;
  border-color: rgba(87, 226, 161, 0.82);
  background: rgba(23, 122, 81, 0.9);
  box-shadow: 0 0 0 1px rgba(57, 201, 138, 0.32);
}

:root[data-theme="light"] .snippet-copy.is-copied {
  color: #0f3a2c;
  border-color: rgba(29, 143, 99, 0.72);
  background: rgba(163, 244, 209, 0.95);
  box-shadow: 0 0 0 1px rgba(29, 143, 99, 0.24);
}

:root[data-theme="light"] .phase-link {
  background: #f3f6fb;
}

:root[data-theme="light"] .chip {
  background: #f2f5fb;
}

:root[data-theme="light"] .progress-bar {
  background: #e7edf6;
}

:root[data-theme="light"] .search input {
  background: #ffffff;
  border-color: rgba(66, 85, 112, 0.25);
}

:root[data-theme="light"] .hero-copy,
:root[data-theme="light"] .phase-counts,
:root[data-theme="light"] .meta-brief-line,
:root[data-theme="light"] .meta-when-line {
  color: #4f6078;
}

:root[data-theme="light"] .sidebar,
:root[data-theme="light"] .panel,
:root[data-theme="light"] .phase-card {
  border-color: rgba(66, 85, 112, 0.16);
}

:root[data-theme="light"] .brand h1 {
  color: var(--phase-accent);
}

:root[data-theme="light"] .phase-head {
  border-bottom-color: rgba(66, 85, 112, 0.18);
}

:root[data-theme="light"] .phase-index {
  border-color: var(--line);
  color: var(--phase-accent);
}

:root[data-theme="light"] .phase-done {
  color: color-mix(in srgb, var(--phase-accent) 78%, #000 22%);
}

/* Minimal monochrome theme: dark surfaces + color only on left borders */
:root,
:root[data-theme="dark"],
:root[data-theme="light"] {
  --bg: #070b13;
  --bg-soft: #0b1320;
  --panel: #0b1320;
  --panel-alt: #0f1828;
  --card: #0e1726;
  --line: rgba(133, 154, 186, 0.24);
  --text: #e3e9f2;
  --muted: #97a8bf;
  --accent: #8ca2c2;
  --accent-2: #7d95b7;
  --phase-accent: #ff8f52;
  --step-accent: #4faeff;
  --snippet-accent: #39c98a;
  --ok: #a4b4c9;
  --warn: #a4b4c9;
  --phase-bg: #0f1725;
  --phase-head-bg: #111c2b;
  --phase-body-bg: #0d1829;
  --task-bg: #0d1a2c;
  --task-border: rgba(104, 136, 182, 0.28);
  --snippet-bg: #0d1622;
  --snippet-head-bg: #111d2e;
  --snippet-code: #c8d1dd;
  --kind-terminal: var(--snippet-accent);
  --kind-windows: var(--snippet-accent);
  --kind-database: var(--snippet-accent);
  --kind-scripting: var(--snippet-accent);
  --kind-web: var(--snippet-accent);
  --kind-generic: var(--snippet-accent);
  --shadow: 0 16px 36px rgba(2, 7, 14, 0.44);
}

body,
:root[data-theme="light"] body {
  background: #070b13;
}

.noise,
:root[data-theme="light"] .noise {
  opacity: 0.08;
  background-size: 36px 36px;
}

.hero-kicker,
.hero h2 span,
.brand h1,
:root[data-theme="light"] .brand h1 {
  color: var(--phase-accent);
}

.section-label {
  color: color-mix(in srgb, var(--phase-accent) 78%, #ffffff 22%);
}

.sidebar .chip {
  border-color: var(--line);
  color: color-mix(in srgb, var(--phase-accent) 72%, #ffffff 28%);
}

#resetBtn {
  background: #ff8f52;
  border-color: var(--line);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

#resetBtn:hover {
  background: #ff9d69;
  border-color: var(--line);
}

#resetBtn .reset-icon {
  width: 0.95rem;
  height: 0.95rem;
  fill: currentColor;
  flex-shrink: 0;
}

body.modal-open {
  overflow: hidden;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: rgba(3, 8, 15, 0.72);
  backdrop-filter: blur(3px);
}

.modal-backdrop[hidden] {
  display: none !important;
}

.modal-shell {
  width: min(100%, 470px);
  animation: fadeUp 180ms ease both;
}

.modal-card {
  border-radius: 16px;
  padding: 1rem;
}

.modal-kicker {
  margin: 0;
}

.modal-title {
  margin: 0.56rem 0 0;
  color: var(--phase-accent);
  font-size: 1.28rem;
  line-height: 1.2;
}

.modal-copy {
  margin: 0.6rem 0 0;
  color: var(--muted);
}

.modal-actions {
  margin-top: 1rem;
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  flex-wrap: wrap;
}

#resetModalConfirm {
  background: #ff8f52;
  border-color: var(--line);
  color: #ffffff;
}

#resetModalConfirm:hover {
  background: #ff9d69;
  border-color: var(--line);
}

.phase-link {
  position: relative;
  display: grid;
  gap: 0.3rem;
  border: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
  border-radius: 10px;
  background: linear-gradient(130deg, rgba(15, 26, 43, 0.9), rgba(13, 23, 40, 0.84));
  padding: 0.4rem 0.44rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.phase-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 2px;
  border-radius: 999px;
  background: #ff8f52;
  opacity: 0.16;
  transition: opacity 150ms ease;
}

.phase-link:hover:not(.is-active) {
  border-color: color-mix(in srgb, var(--line) 82%, transparent);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
  transform: translateY(-1px);
}

.phase-link.is-active {
  border-color: color-mix(in srgb, var(--line) 82%, transparent);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.phase-link.is-active:hover {
  border-color: color-mix(in srgb, var(--line) 82%, transparent);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.phase-link:hover::before,
.phase-link.is-active::before {
  opacity: 1;
}

.phase-link-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.38rem;
  text-align: left;
}

.phase-link-index {
  width: 26px;
  height: 26px;
  display: inline-grid;
  place-items: center;
  border-radius: 7px;
  border: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
  color: var(--muted);
  background: transparent;
  font: 700 0.72rem/1 "Cascadia Mono", "Consolas", monospace;
}

.phase-link.is-active .phase-link-index {
  border-color: color-mix(in srgb, #ff8f52 55%, var(--line) 45%);
  color: #ff8f52;
}

.phase-link-title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.79rem;
  letter-spacing: 0.01em;
}

.phase-link-count {
  flex-shrink: 0;
  color: var(--muted);
  font: 700 0.68rem/1 "Cascadia Mono", "Consolas", monospace;
}

.phase-link-meter {
  display: block;
  height: 4px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
  background: rgba(11, 20, 35, 0.86);
  overflow: hidden;
}

.phase-link-meter > span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: #ff8f52;
  transition: width 160ms ease;
}

.phase-link small {
  display: none;
}

.hero .chip-ok {
  color: var(--phase-accent);
  border-color: var(--line);
  background: color-mix(in srgb, var(--phase-accent) 14%, transparent);
}

.hero .chip-blue {
  color: var(--step-accent);
  border-color: var(--line);
}

.hero .chip-warn {
  color: var(--phase-accent);
  border-color: var(--line);
}

.hero #phaseCountChip {
  color: var(--phase-accent);
  border-color: var(--line);
}

#progressFill {
  background: linear-gradient(90deg, #ff8f52, #ff7a33);
}

.phase-card {
  border-left: 3px solid #ff8f52;
}

.phase-index,
:root[data-theme="light"] .phase-index {
  border-color: color-mix(in srgb, #ff8f52 55%, var(--line) 45%);
  color: #ff8f52;
}

.step-index,
:root[data-theme="light"] .step-index {
  border-color: color-mix(in srgb, #4faeff 55%, var(--line) 45%);
  color: #4faeff;
}

.phase-toggle {
  color: #ff8f52;
  border-color: #ff8f52;
}

.phase-done,
:root[data-theme="light"] .phase-done {
  border: 0;
  background: transparent;
  color: inherit;
}

.phase-done-check {
  accent-color: #ff8f52;
}

.task-check {
  accent-color: #4faeff;
}

.task-card {
  border-left: 3px solid #4faeff;
}

:root[data-theme="light"] .task-card {
  border-left-color: #4faeff;
}

#expandBtn,
#collapseBtn {
  background: transparent;
  border-color: #ff8f52;
  color: #ff8f52;
}

#expandBtn .chip-icon,
#collapseBtn .chip-icon {
  fill: #ff8f52;
}

.task-snippet-btn {
  border-color: #4faeff;
  color: #4faeff;
  background: transparent;
}

#expandBtn:hover,
#collapseBtn:hover {
  background: color-mix(in srgb, #ff8f52 12%, transparent);
}

.task-card:hover .task-snippet-btn,
.task-card:focus-within .task-snippet-btn {
  background: color-mix(in srgb, #4faeff 12%, transparent);
}

.task-snippet-btn:hover {
  background: color-mix(in srgb, #4faeff 12%, transparent);
}

.task-snippet-btn:disabled {
  border-color: var(--line);
  color: var(--muted);
  background: transparent;
}

.snippet-copy {
  border-color: var(--line);
  color: var(--muted);
}

.snippet-lang,
.snippet-block[data-kind="terminal"] .snippet-lang,
.snippet-block[data-kind="windows"] .snippet-lang,
.snippet-block[data-kind="database"] .snippet-lang,
.snippet-block[data-kind="scripting"] .snippet-lang,
.snippet-block[data-kind="web"] .snippet-lang {
  color: var(--muted);
  border-color: var(--line);
  background: transparent;
}

.snippet-block code.is-shell-highlighted .sh-cmd,
.snippet-block code.is-shell-highlighted .sh-arg,
.snippet-block code.is-shell-highlighted .sh-env,
.snippet-block code.is-shell-highlighted .sh-var {
  color: #78e0aa;
}

.snippet-block code.is-shell-highlighted .sh-cmd {
  font-weight: 700;
}

.snippet-block code.is-shell-highlighted .sh-comment {
  color: #8f9aae;
}

:root[data-theme="dark"] .snippet-block .hljs-comment,
:root[data-theme="dark"] .snippet-block .hljs-quote,
:root[data-theme="light"] .snippet-block .hljs-comment,
:root[data-theme="light"] .snippet-block .hljs-quote {
  color: #8ea3c5;
}

:root[data-theme="dark"] .snippet-block .hljs-keyword,
:root[data-theme="dark"] .snippet-block .hljs-selector-tag,
:root[data-theme="dark"] .snippet-block .hljs-literal,
:root[data-theme="light"] .snippet-block .hljs-keyword,
:root[data-theme="light"] .snippet-block .hljs-selector-tag,
:root[data-theme="light"] .snippet-block .hljs-literal {
  color: #72c7ff;
}

:root[data-theme="dark"] .snippet-block .hljs-string,
:root[data-theme="dark"] .snippet-block .hljs-title,
:root[data-theme="dark"] .snippet-block .hljs-section,
:root[data-theme="light"] .snippet-block .hljs-string,
:root[data-theme="light"] .snippet-block .hljs-title,
:root[data-theme="light"] .snippet-block .hljs-section {
  color: #78e0aa;
}

:root[data-theme="dark"] .snippet-block .hljs-number,
:root[data-theme="dark"] .snippet-block .hljs-symbol,
:root[data-theme="dark"] .snippet-block .hljs-bullet,
:root[data-theme="light"] .snippet-block .hljs-number,
:root[data-theme="light"] .snippet-block .hljs-symbol,
:root[data-theme="light"] .snippet-block .hljs-bullet,
:root[data-theme="dark"] .snippet-block .hljs-variable,
:root[data-theme="dark"] .snippet-block .hljs-template-variable,
:root[data-theme="dark"] .snippet-block .hljs-attribute,
:root[data-theme="light"] .snippet-block .hljs-variable,
:root[data-theme="light"] .snippet-block .hljs-template-variable,
:root[data-theme="light"] .snippet-block .hljs-attribute {
  color: #9ce1ff;
}

/* Keep non-shell snippets neutral; only shell command tokens are colorized. */
.snippet-block pre code.hljs,
.snippet-block pre code.hljs * {
  color: var(--snippet-code) !important;
}

.snippet-block pre code .snippet-search-hit,
.snippet-block pre code.hljs .snippet-search-hit {
  color: #ff8f52 !important;
  background: color-mix(in srgb, #ff8f52 22%, transparent) !important;
  border: 1px solid color-mix(in srgb, #ff8f52 48%, transparent);
  border-radius: 4px;
  padding: 0 0.14em;
  font-weight: 700;
}

:root[data-theme="light"] .snippet-block pre code .snippet-search-hit,
:root[data-theme="light"] .snippet-block pre code.hljs .snippet-search-hit {
  color: #b9502f !important;
  background: color-mix(in srgb, #ff8f52 28%, transparent) !important;
}

.task-card.is-hidden,
.phase-card.is-hidden {
  display: none;
}

.phase-card.is-nav-hidden {
  display: none;
}

@keyframes snippetCopiedPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(57, 201, 138, 0.34);
  }
  55% {
    box-shadow: 0 0 0 1px rgba(57, 201, 138, 0.58), 0 0 24px rgba(57, 201, 138, 0.3);
  }
  100% {
    box-shadow: 0 0 0 1px rgba(57, 201, 138, 0.5), 0 0 16px rgba(57, 201, 138, 0.2);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    max-height: none;
    grid-template-rows: auto auto;
    overflow: visible;
  }

  .phase-nav {
    grid-auto-flow: row;
    grid-auto-columns: initial;
    overflow: visible;
    max-height: none;
    padding-bottom: 0;
    padding-right: 0;
  }

  .hero-top {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .hero-side {
    align-self: stretch;
    justify-content: flex-start;
  }

  .hero-copy-block {
    max-width: none;
    padding: 0;
  }

  .progress-wrap {
    width: 100%;
    justify-self: stretch;
  }

  .control-grid {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .layout {
    padding: 0.6rem;
    gap: 0.6rem;
  }

  .hero,
  .sidebar {
    padding: 0.8rem;
    border-radius: 14px;
  }

  .phase-head {
    grid-template-columns: auto auto 1fr;
  }

  .phase-toggle {
    grid-column: 1 / -1;
    justify-self: end;
  }

  .task-head {
    grid-template-columns: 1fr;
  }

  .task-head-actions {
    justify-content: start;
  }

  .progress-actions {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas: "bar reset";
  }

  .hero-buttons {
    grid-template-columns: 1fr;
  }

  #resetBtn {
    justify-self: end;
  }

  .modal-actions {
    justify-content: stretch;
  }

  .modal-actions .chip {
    width: 100%;
    text-align: center;
  }
}