@import url('https://fonts.googleapis.com/css2?family=Inter+Tight:wght@500;600;700;800;900&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  color-scheme: dark;
  --bg: #0d1117;
  --bg-elevated: rgba(22, 27, 34, 0.78);
  --bg-surface: rgba(22, 27, 34, 0.58);
  --panel: rgba(13, 17, 23, 0.82);
  --border: rgba(240, 246, 252, 0.12);
  --border-strong: rgba(240, 246, 252, 0.18);
  --text: rgba(240, 246, 252, 0.98);
  --muted: rgba(139, 148, 158, 0.92);
  --accent: #2da44e;
  --accent-2: #58a6ff;
  --accent-3: #3fb950;
  --shadow: 0 24px 80px rgba(1, 4, 9, 0.56);
  --radius-lg: 32px;
  --radius-md: 28px;
  --radius-sm: 18px;
  --cell: 14px;
  --gap: 3px;
  --margin-x: 32px;
  --margin-y: 22px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(45, 164, 78, 0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(88, 166, 255, 0.10), transparent 28%),
    radial-gradient(circle at 50% 0%, rgba(63, 185, 80, 0.08), transparent 40%),
    var(--bg);
}

body {
  min-height: 100dvh;
  margin: 0;
  color: var(--text);
  font-family: 'Manrope', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background:
    radial-gradient(circle at 16% 12%, rgba(45, 164, 78, 0.11), transparent 28%),
    radial-gradient(circle at 88% 10%, rgba(88, 166, 255, 0.10), transparent 24%),
    linear-gradient(180deg, #0b1016 0%, #0d1117 46%, #090c12 100%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overscroll-behavior-y: none;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}

button,
input,
select,
textarea {
  font: inherit;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-family: 'Inter Tight', 'Manrope', ui-sans-serif, system-ui, sans-serif;
  letter-spacing: 0;
}

p {
  margin: 0;
}

:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgba(45, 164, 78, 0.8), 0 0 0 6px rgba(45, 164, 78, 0.18);
}

.shell {
  width: min(1440px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 32px;
}

.glass-shell {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(26px);
  -webkit-backdrop-filter: blur(26px);
}

.glass-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  box-shadow: 0 18px 55px rgba(1, 4, 9, 0.34);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.hero {
  display: block;
  padding: 24px 26px;
  border-radius: var(--radius-lg);
  margin-bottom: 18px;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  color: inherit;
  text-decoration: none;
  width: fit-content;
}

.brand-lockup:hover .brand-name {
  color: rgba(240, 246, 252, 0.98);
}

.brand-logo,
.footer-logo {
  display: block;
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.brand-name {
  color: rgba(240, 246, 252, 0.98);
  font-family: 'Inter Tight', 'Manrope', ui-sans-serif, system-ui, sans-serif;
  font-size: 1rem;
  font-weight: 900;
}

.hero-copy {
  display: grid;
  gap: 14px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.32em;
  font-size: 11px;
  font-weight: 800;
  color: rgba(139, 148, 158, 0.94);
}

h1 {
  max-width: 22ch;
  font-size: clamp(2.5rem, 5vw, 5.15rem);
  line-height: 0.92;
  font-weight: 900;
}

.lede {
  max-width: 70ch;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.68;
}

.hero-note,
.command-note {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(199, 209, 217, 0.92);
  font-size: 0.92rem;
  line-height: 1.5;
}

.hero-note-icon {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, #2da44e 0%, #58a6ff 100%);
  box-shadow: 0 0 0 4px rgba(45, 164, 78, 0.12);
  flex: 0 0 auto;
}

.layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 16px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 18px;
  padding: 14px 4px 0;
  color: rgba(139, 148, 158, 0.94);
  font-size: 0.9rem;
}

.footer-brand,
.footer-copy,
.github-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.footer-brand {
  color: inherit;
  text-decoration: none;
}

.footer-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}

.github-link {
  justify-content: center;
  width: 36px;
  height: 36px;
  color: rgba(240, 246, 252, 0.86);
  text-decoration: none;
  font-weight: 800;
}

.github-link:hover {
  color: rgba(240, 246, 252, 0.98);
}

.github-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.sidebar,
.workspace {
  display: grid;
  gap: 16px;
  align-content: start;
  overflow: visible;
}

.panel {
  border-radius: var(--radius-md);
  padding: 16px;
}

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

.panel-head {
  margin-bottom: 12px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

h2 {
  color: rgba(240, 246, 252, 0.72);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.year-list {
  display: grid;
  gap: 8px;
  max-height: 58vh;
  overflow: auto;
  padding-right: 4px;
}

.year-list.compact {
  gap: 6px;
  max-height: min(44vh, 320px);
}

.year-list,
.canvas-wrap,
.year-select-menu {
  scrollbar-width: thin;
  scrollbar-color: rgba(148, 163, 184, 0.42) transparent;
}

.year-list::-webkit-scrollbar,
.canvas-wrap::-webkit-scrollbar,
.year-select-menu::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

.year-list::-webkit-scrollbar-track,
.canvas-wrap::-webkit-scrollbar-track,
.year-select-menu::-webkit-scrollbar-track {
  background: transparent;
}

.year-list::-webkit-scrollbar-thumb,
.canvas-wrap::-webkit-scrollbar-thumb,
.year-select-menu::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.38);
  background-clip: content-box;
}

.year-list::-webkit-scrollbar-thumb:hover,
.canvas-wrap::-webkit-scrollbar-thumb:hover,
.year-select-menu::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.56);
  background-clip: content-box;
}

.year-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.year-list.compact .year-row {
  gap: 6px;
}

.year-button,
.year-remove,
.ghost-button,
.primary-button,
.brush-button {
  border-radius: 18px;
  border: 1px solid rgba(240, 246, 252, 0.12);
  color: rgba(240, 246, 252, 0.98);
  transition: transform 140ms ease, background-color 160ms ease, border-color 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
}

.year-button,
.year-remove,
.ghost-button {
  background: rgba(255, 255, 255, 0.04);
}

.year-button {
  width: 100%;
  text-align: left;
  padding: 0.85rem 0.95rem;
  cursor: pointer;
}

.year-list.compact .year-button,
.year-list.compact .year-remove {
  padding: 0.7rem 0.8rem;
  border-radius: 14px;
}

.year-list.compact .year-remove {
  width: 42px;
}

.year-list.compact .year-remove .btn-label {
  display: none;
}

.year-button.active {
  border-color: rgba(45, 164, 78, 0.42);
  background: rgba(45, 164, 78, 0.14);
  box-shadow: 0 12px 28px rgba(45, 164, 78, 0.12);
  font-weight: 800;
}

.year-remove {
  padding: 0.85rem 0.95rem;
  cursor: pointer;
  color: rgba(240, 246, 252, 0.76);
}

.year-remove:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.toolbar {
  position: relative;
  z-index: 30;
  overflow: visible;
  padding: 14px;
}

.toolbar-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr) minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  overflow: visible;
}

.toolbar-module {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 14px;
  border-radius: 22px;
  border: 1px solid rgba(240, 246, 252, 0.08);
  background: linear-gradient(180deg, rgba(16, 20, 26, 0.78) 0%, rgba(11, 14, 19, 0.72) 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
  overflow: visible;
}

.toolbar-module-year {
  position: relative;
  z-index: 40;
}

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

.toolbar-module-head h2 {
  margin: 0;
}

.toolbar-group,
.brush-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.brushes {
  display: grid;
  gap: 8px;
}

.brush-label {
  color: rgba(139, 148, 158, 0.94);
}

.brush-button {
  min-width: 42px;
  padding: 0.72rem 0.85rem;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.04);
}

.brush-button.active {
  border-color: rgba(45, 164, 78, 0.42);
  background: linear-gradient(135deg, #238636 0%, #2da44e 55%, #3fb950 100%);
  box-shadow: 0 14px 30px rgba(35, 134, 54, 0.28);
}

.ghost-button,
.primary-button {
  padding: 0.84rem 1rem;
  cursor: pointer;
  font-weight: 800;
}

.full-width {
  width: 100%;
}

.ghost-button:hover,
.primary-button:hover,
.year-button:hover,
.year-remove:hover,
.brush-button:hover {
  transform: translateY(-1px);
}

.ghost-button:hover,
.year-button:hover,
.year-remove:hover,
.brush-button:hover {
  background: rgba(255, 255, 255, 0.08);
}

.primary-button {
  border-color: rgba(45, 164, 78, 0.26);
  background: linear-gradient(135deg, #238636 0%, #2da44e 55%, #3fb950 100%);
  box-shadow: 0 14px 30px rgba(35, 134, 54, 0.28);
}

.btn-icon {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.btn-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.btn-label {
  display: inline-flex;
  align-items: center;
}

.ghost-button,
.primary-button,
.year-button,
.year-remove,
.brush-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.field {
  display: grid;
  gap: 6px;
}

.field > span {
  color: rgba(139, 148, 158, 0.94);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.7rem;
  font-weight: 800;
}

.field.compact {
  min-width: 180px;
}

.year-select {
  position: relative;
  width: 100%;
}

.year-select.dense {
  width: min(100%, 360px);
}

.year-select-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 52px;
  padding: 0.72rem 0.9rem 0.72rem 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(17, 21, 27, 0.98) 0%, rgba(11, 14, 19, 0.96) 100%);
  color: rgba(240, 246, 252, 0.98);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 12px 30px rgba(1, 4, 9, 0.22);
  cursor: pointer;
  text-align: left;
}

.year-select-trigger:hover {
  border-color: rgba(148, 163, 184, 0.24);
  transform: translateY(-1px);
}

.year-select-trigger[aria-expanded="true"] .year-select-caret {
  transform: translateY(1px) rotate(180deg);
}

.year-select-trigger:focus-visible {
  border-color: rgba(58, 130, 246, 0.54);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 0 0 4px rgba(58, 130, 246, 0.10),
    0 14px 34px rgba(1, 4, 9, 0.28);
}

.year-select-label {
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: 0;
}

.year-select-caret {
  position: relative;
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.year-select-caret::before,
.year-select-caret::after {
  content: "";
  position: absolute;
  top: 7px;
  width: 7px;
  height: 2px;
  border-radius: 999px;
  background: rgba(203, 213, 225, 0.8);
}

.year-select-caret::before {
  left: 1px;
  transform: rotate(45deg);
}

.year-select-caret::after {
  right: 1px;
  transform: rotate(-45deg);
}

.year-select-menu {
  position: absolute;
  z-index: 100;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  display: grid;
  gap: 3px;
  padding: 7px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background:
    linear-gradient(180deg, rgba(17, 21, 27, 0.98) 0%, rgba(11, 14, 19, 0.98) 100%);
  box-shadow: 0 22px 48px rgba(1, 4, 9, 0.48);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  max-height: 248px;
  overflow: auto;
}

.year-select.dense .year-select-menu {
  max-height: min(38vh, 280px);
}

.year-select-menu[hidden] {
  display: none;
}

.year-select-option {
  width: 100%;
  border: 0;
  border-radius: 14px;
  padding: 0.7rem 0.85rem;
  background: transparent;
  color: rgba(240, 246, 252, 0.92);
  text-align: left;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
}

.year-select-option:hover {
  background: rgba(148, 163, 184, 0.12);
}

.year-select-option.active {
  background: linear-gradient(135deg, rgba(45, 164, 78, 0.16) 0%, rgba(45, 164, 78, 0.26) 100%);
  box-shadow: inset 0 0 0 1px rgba(45, 164, 78, 0.14);
}

.year-select-option:focus-visible {
  background: rgba(148, 163, 184, 0.14);
  box-shadow: 0 0 0 2px rgba(148, 163, 184, 0.28);
}

input,
select,
textarea {
  border: 1px solid rgba(240, 246, 252, 0.12);
  border-radius: 18px;
  background: rgba(1, 4, 9, 0.42);
  color: rgba(240, 246, 252, 0.98);
  padding: 0.9rem 1rem;
  transition: border-color 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

input::placeholder,
textarea::placeholder {
  color: rgba(139, 148, 158, 0.70);
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(88, 166, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(88, 166, 255, 0.10);
}

select {
  appearance: none;
  padding-right: 2.4rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: end;
}

.form-grid .full {
  grid-column: 1 / -1;
}

.canvas-panel {
  position: relative;
  z-index: 1;
  overflow: hidden;
  padding: 14px;
  background:
    radial-gradient(circle at top left, rgba(88, 166, 255, 0.05), transparent 24%),
    radial-gradient(circle at bottom right, rgba(45, 164, 78, 0.06), transparent 22%),
    rgba(13, 17, 23, 0.72);
}

.graph-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.graph-note {
  margin-top: 4px;
  color: rgba(139, 148, 158, 0.94);
  font-size: 0.85rem;
}

.graph-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  border: 1px solid rgba(45, 164, 78, 0.18);
  background: rgba(45, 164, 78, 0.10);
  color: rgba(183, 247, 212, 0.96);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.68rem;
  font-weight: 800;
}

.canvas-wrap {
  overflow: auto;
  padding: 2px 2px 4px;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035) 0%, rgba(255, 255, 255, 0.015) 100%);
  border: 1px solid rgba(240, 246, 252, 0.06);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 10px 26px rgba(1, 4, 9, 0.20);
}

canvas {
  display: block;
  image-rendering: pixelated;
  background: linear-gradient(180deg, #f6f8fa 0%, #eef2f6 100%);
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.summary {
  margin: 0;
  white-space: pre-wrap;
  line-height: 1.55;
  color: rgba(240, 246, 252, 0.92);
  font-family: SFMono-Regular, ui-monospace, Consolas, 'Liberation Mono', monospace;
}

.command-note {
  color: rgba(139, 148, 158, 0.94);
}

.command {
  width: 100%;
  min-height: 164px;
  resize: vertical;
  font-family: SFMono-Regular, ui-monospace, Consolas, 'Liberation Mono', monospace;
  background: rgba(1, 4, 9, 0.56);
  border-radius: 24px;
}

@media (max-width: 1080px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 20px;
  }

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

@media (max-width: 720px) {
  .shell {
    width: min(100vw - 20px, 100vw);
    padding-top: 12px;
  }

  .hero {
    border-radius: 28px;
  }

  .brand-lockup {
    margin-bottom: 14px;
  }

  h1 {
    max-width: none;
    font-size: clamp(2.1rem, 10vw, 3.5rem);
  }

  .panel {
    padding: 14px;
  }

  .toolbar {
    padding: 12px;
  }

  .field.compact {
    min-width: 100%;
  }

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

  .command {
    min-height: 196px;
  }

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

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