/* MicroDuck — graphite workspace, hardware orange, 8px spacing rhythm. */

:root {
  color-scheme: dark;
  --bg: #111316;
  --panel: #1a1d21;
  --raised: #22262b;
  --ink: #f1f2f4;
  --muted: #a6acb5;
  --line: #343940;
  --dark: #15171a;
  --accent: #ff8a4c;
  --accent-hover: #ffa675;
  --accent-soft: #38271f;
  --green: #7cdeb0;
  --soft: #20372e;
  --amber: #f4cf80;
  --amber-soft: #383021;
  --red: #ff9b9b;
  --code: #101215;
  --radius: 12px;
  --rail-width: 232px;
}

* {
  box-sizing: border-box;
}

/* Component display rules must never override native hidden semantics. */

[hidden] {
  display: none !important;
}

html {
  scroll-padding-top: 24px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 Tahoma,Arial,sans-serif;
  -webkit-font-smoothing: antialiased;
}

button, input, select, textarea, kbd, code, pre {
  font-family: inherit;
}

button, input, select {
  font-size: .875rem;
}

button {
  touch-action: manipulation;
}

button, a, input, select {
  -webkit-tap-highlight-color: transparent;
}

button:disabled {
  cursor: not-allowed;
}

button, a {
  transition: color .15s ease, background .15s ease, border-color .15s ease;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

::selection {
  background: #73452e;
  color: white;
}

h1, h2, h3, p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(1.75rem, 2.6vw, 2.25rem);
  line-height: 1.2;
  letter-spacing: -.04em;
}

h2 {
  margin-bottom: 0;
  font-size: 1.0625rem;
  line-height: 1.4;
  letter-spacing: -.02em;
}

h3 {
  font-size: 1rem;
  line-height: 1.4;
}

svg {
  display: block;
}

/* Navigation */

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  transform: translateY(-160%);
  padding: 12px 16px;
  border-radius: 8px;
  background: var(--accent);
  color: #17191d;
}

.skip-link:focus {
  transform: none;
}

.rail {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 30;
  width: var(--rail-width);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 28px 16px 20px;
  border-right: 1px solid #2a2e34;
  background: var(--dark);
}

.rail-head {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding-inline: 6px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-weight: 700;
}

.duck {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  border-radius: 10px 10px 10px 3px;
  background: var(--accent);
  color: #1a1b1e;
  font-size: 1.125rem;
  font-weight: 700;
}

.brand-copy {
  font-size: .9375rem;
  line-height: 1.25;
  letter-spacing: -.02em;
}

.brand small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: .75rem;
  font-weight: 400;
  letter-spacing: .09em;
}

.rail-toggle {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--muted);
  cursor: pointer;
}

.rail-toggle:hover, .rail-toggle:focus-visible {
  background: var(--raised);
  border-color: #68717e;
  color: var(--ink);
}

.rail-toggle svg {
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.rail-toggle .panel-fill {
  fill: currentColor;
  stroke: none;
  opacity: .15;
}

.rail-toggle .toggle-arrow {
  transform-origin: 15.5px 12px;
  transition: transform .15s ease;
}

.rail-collapsed .rail-toggle .toggle-arrow {
  transform: rotate(180deg);
}

.rail-label {
  margin: 40px 12px 12px;
  color: #a0a6ae;
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.rail nav {
  display: grid;
  gap: 6px;
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  text-align: left;
  font-weight: 400;
  cursor: pointer;
}

.nav-icon {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
}

.nav-icon svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 1.6;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav:hover {
  background: #212429;
  color: var(--ink);
}

.nav.active {
  background: var(--accent-soft);
  border-color: #5c3b29;
  color: #ffb48c;
  font-weight: 700;
}

.nav.active::before {
  content: "";
  position: absolute;
  left: -17px;
  height: 20px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--accent);
}

.rail-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.rail-toggle-label {
  font-size: .875rem;
  line-height: 1.4;
  text-align: left;
}

.rail-collapsed {
  --rail-width: 80px;
}

.rail-collapsed .rail-head {
  justify-content: center;
  padding-inline: 0;
}

.rail-collapsed .brand-copy, .rail-collapsed .rail-label, .rail-collapsed .nav-label, .rail-collapsed .rail-toggle-label {
  display: none;
}

.rail-collapsed .rail-toggle {
  justify-content: center;
  padding: 10px;
}

.rail-collapsed .rail nav {
  margin-top: 32px;
}

.rail-collapsed .nav {
  justify-content: center;
  padding: 10px;
}

/* Workspace */

main {
  max-width: 1832px;
  min-width: 0;
  margin-left: var(--rail-width);
  padding: 28px clamp(20px, 3vw, 48px) 40px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.page-heading {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.page-heading-copy {
  min-width: 0;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.kicker::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--accent);
}

.page-description {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: .875rem;
}

.health {
  flex: 0 0 auto;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: var(--panel);
  font-size: .8125rem;
  white-space: nowrap;
}

.health.ok {
  color: var(--green);
  border-color: #365046;
  background: #1b2823;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.panel {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
}

.panel-title p, .section-intro p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: .875rem;
}

.panel-eyebrow {
  margin-bottom: 5px;
  color: var(--accent);
  font-size: .75rem;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.primary, .ghost, .danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.primary {
  background: var(--accent);
  color: #191b1e;
}

.primary:hover {
  background: var(--accent-hover);
}

.ghost {
  border-color: #484f58;
  background: #25292f;
  color: var(--ink);
}

.ghost:hover {
  background: #30353c;
  border-color: #747d89;
}

.danger {
  border-color: #704040;
  background: #3a2628;
  color: var(--red);
}

.danger:hover {
  background: #503134;
}

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

/* Live simulator */

.simulator-panel {
  box-shadow: 0 12px 48px #00000024;
}

.simulator-title {
  border-bottom: 1px solid var(--line);
}

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

.sim-symbol {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border: 1px solid #58402f;
  border-radius: 9px;
  color: var(--accent);
  background: #2d241e;
}

.sim-symbol svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linejoin: round;
}

.preview-badges {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.preview-badges span {
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: #c4cad2;
  font-size: .75rem;
  white-space: nowrap;
}

.preview-badges .live-dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--green);
  border-color: #365046;
  background: #1b2823;
}

.preview-badges .live-dot:not([data-state="ready"]) {
  color: var(--amber);
  border-color: #625034;
  background: var(--amber-soft);
}

.preview-badges .live-dot[data-state="failed"] {
  color: var(--red);
  border-color: #704040;
  background: #3a2628;
}

.sim-stage {
  position: relative;
  overflow: hidden;
  background: #08080c;
}

.exact-sim {
  height: clamp(380px, 59vh, 740px);
  min-height: 380px;
}

.exact-sim iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #08080c;
}

.simulator-loading {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 10px;
  padding: 24px;
  background: #111316;
  text-align: center;
}

.simulator-loading::before {
  content: "";
  width: 28px;
  height: 28px;
  margin-bottom: 10px;
  border: 2px solid #3e3530;
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: load-spin .9s linear infinite;
}

.simulator-loading b {
  font-size: 1rem;
}

.simulator-loading span {
  color: var(--muted);
  font-size: .875rem;
}

@keyframes load-spin {
  to {
    transform: rotate(360deg);
  }
}

.sim-control-bar {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--line);
  background: #1b1e22;
  text-align: center;
}

.sim-controls-label {
  margin: 0;
  color: var(--muted);
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.sim-shortcuts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 16px;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.sim-shortcut {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 4px 8px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: #dce0e6;
  font-size: .875rem;
  cursor: pointer;
}

.sim-shortcut kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 30px;
  padding: 0 7px;
  border: 1px solid #505761;
  border-bottom-width: 2px;
  border-radius: 5px;
  background: #292e35;
  color: #f0f2f5;
  font-size: .75rem;
  font-weight: 400;
  white-space: nowrap;
}

.sim-shortcut:hover {
  background: #2a2e34;
}

.sim-shortcut:hover kbd {
  color: #ffc29f;
  border-color: #ae704c;
}

.sim-shortcut:active kbd {
  transform: translateY(1px);
}

.sim-shortcuts:disabled {
  opacity: .5;
}

.sim-kick-group {
  display: flex;
  align-items: center;
  gap: 0;
  color: #dce0e6;
  font-size: .875rem;
}

.sim-kick-group .sim-shortcut {
  padding: 4px;
}

.sim-kick-group > span {
  margin: 0 8px 0 4px;
}

.sim-control-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px 16px;
}

.sim-control-hint {
  margin: 0;
  color: var(--muted);
  font-size: .75rem;
  line-height: 1.7;
}

.sim-restart {
  min-height: 32px;
  padding: 4px 8px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: #d2d7df;
  font-size: .75rem;
  text-decoration: underline;
  text-underline-offset: 4px;
  cursor: pointer;
}

.sim-restart:hover {
  color: var(--accent);
}

/* Operations */

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.metrics article {
  display: grid;
  gap: 10px;
  padding: 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.metrics strong {
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: -.04em;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.metrics span {
  color: var(--muted);
  font-size: .875rem;
}

.metric-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.metric-label i {
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--accent);
}

.metrics article:nth-child(2) .metric-label i {
  background: var(--green);
}

.metrics article:nth-child(3) .metric-label i {
  background: #adb8d6;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, .8fr);
  align-items: start;
  gap: 24px;
}

.runs {
  padding: 0 24px 16px;
}

.run {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 18px 0;
  border: 0;
  border-top: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.run:hover .run-name, .run.selected .run-name {
  color: var(--accent);
}

.run.selected {
  box-shadow: inset 3px 0 var(--accent);
  padding-left: 12px;
}

.run-summary {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.run-name {
  font-size: .875rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.run-meta {
  color: var(--muted);
  font-size: .75rem;
  overflow-wrap: anywhere;
}

.run-state {
  display: grid;
  justify-items: end;
  gap: 8px;
}

.badge {
  display: inline-flex;
  padding: 4px 8px;
  border-radius: 5px;
  background: var(--amber-soft);
  color: var(--amber);
  font-size: .75rem;
  text-transform: capitalize;
}

.badge.succeeded {
  background: var(--soft);
  color: var(--green);
}

.badge.disabled {
  background: #292e35;
  color: #c4cbd5;
}

.badge.failed, .badge.cancelled {
  background: #3a2628;
  color: var(--red);
}

.empty {
  display: grid;
  gap: 8px;
  padding: 48px 24px;
  color: var(--muted);
  text-align: center;
  font-size: .875rem;
}

.empty b {
  color: var(--ink);
  font-weight: 400;
  font-size: 1rem;
}

form {
  display: grid;
  gap: 20px;
  padding: 0 24px 24px;
}

label {
  display: grid;
  gap: 8px;
  min-width: 0;
  color: #d7dce3;
  font-size: .875rem;
  font-weight: 400;
}

input, select {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid #505761;
  border-radius: 7px;
  background: #14171b;
  color: var(--ink);
  line-height: 1.4;
}

input::placeholder {
  color: #959eaa;
}

input:hover, select:hover {
  border-color: #758090;
}

input:focus, select:focus {
  border-color: var(--accent);
}

input:disabled {
  border-color: #3a4049;
  background: #24292f;
  color: #afb8c4;
}

.pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.safety {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  border: 1px solid #355345;
  border-radius: 8px;
  background: #1c2a24;
  color: #b3d6c4;
  font-size: .8125rem;
  line-height: 1.6;
}

.safety > span {
  color: var(--green);
}

.safety p {
  margin: 0;
}

.safety b {
  color: #d1e9dd;
  font-weight: 400;
}

.error {
  margin: 0;
  padding: 12px;
  border-radius: 6px;
  background: #3a2628;
  color: var(--red);
  font-size: .875rem;
}

.console-panel {
  margin-top: 24px;
}

.console-panel pre {
  margin: 0;
  max-height: 430px;
  overflow: auto;
  padding: 24px;
  border-top: 1px solid var(--line);
  background: var(--code);
  color: #ccd5df;
  font: .8125rem/1.8 Tahoma,Arial,sans-serif;
  tab-size: 4;
}

/* Task library */

.section-intro {
  margin-bottom: 24px;
}

.task-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.task {
  display: flex;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.task h3 {
  margin-bottom: 10px;
  color: #edf0f4;
  overflow-wrap: anywhere;
}

.task p {
  margin-bottom: 24px;
  color: var(--muted);
  font-size: .875rem;
}

.tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: auto;
}

.tag {
  padding: 4px 8px;
  border: 1px solid #424851;
  border-radius: 5px;
  background: #252a30;
  color: #c6cdd7;
  font-size: .75rem;
}

.tag.backlash {
  border-color: #625034;
  background: var(--amber-soft);
  color: var(--amber);
}

/* Responsive layout retains usable controls rather than shrinking desktop UI. */

@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: minmax(0, 1fr);
  }
  .task-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .simulator-title {
    flex-wrap: wrap;
  }
  .preview-badges {
    justify-content: flex-start;
  }
}

@media (max-width: 800px) {
  main {
    padding: 24px 20px 32px;
  }
  .page-header {
    flex-wrap: wrap;
    gap: 16px;
  }
  .metrics {
    gap: 12px;
  }
  .metrics article {
    padding: 16px;
  }
  .panel-title {
    padding: 20px;
  }
  .sim-symbol {
    display: none;
  }
  .sim-shortcuts {
    gap: 8px;
  }
  .task-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .rail, .rail-collapsed .rail {
    position: relative;
    width: 100%;
    padding: 16px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .rail-head, .rail-collapsed .rail-head {
    flex-direction: row;
    justify-content: flex-start;
  }
  .brand-copy, .rail-collapsed .brand-copy {
    display: block;
  }
  .rail-footer, .rail-label {
    display: none;
  }
  .rail nav, .rail-collapsed .rail nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    margin-top: 16px;
  }
  .nav, .rail-collapsed .nav {
    justify-content: center;
    gap: 8px;
    padding: 10px 6px;
    font-size: .8125rem;
  }
  .nav-label, .rail-collapsed .nav-label {
    display: inline;
  }
  .nav.active::before {
    display: none;
  }
  main, .rail-collapsed main {
    margin-left: 0;
    padding: 24px 16px 32px;
  }
  .exact-sim {
    height: 52vh;
    min-height: 380px;
    max-height: 580px;
  }
  .sim-control-bar {
    padding: 16px 12px;
  }
  .sim-control-footer {
    gap: 4px;
  }
  .metrics article {
    gap: 12px;
    padding: 16px 12px;
  }
  .metrics span {
    font-size: .75rem;
  }
  .metric-label i {
    display: none;
  }
  .metrics strong {
    font-size: 1.75rem;
  }
  .panel-title {
    align-items: flex-start;
    padding: 20px 16px;
  }
  .runs, form {
    padding-right: 16px;
    padding-left: 16px;
  }
  .task {
    padding: 20px;
  }
}

@media (max-width: 380px) {
  .nav, .rail-collapsed .nav {
    flex-direction: column;
    gap: 6px;
  }
  .metrics {
    gap: 8px;
  }
  .pair {
    grid-template-columns: minmax(0, 1fr);
  }
  .preview-badges {
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}