@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,700&family=Manrope:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap");

:root {
  color-scheme: light dark;
  --app-bg: #f4f7fb;
  --app-bg-deep: #e8eef8;
  --ink: #121f37;
  --ink-muted: #516586;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-border: rgba(15, 30, 58, 0.16);
  --surface: rgba(255, 255, 255, 0.82);
  --surface-border: rgba(18, 34, 64, 0.16);
  --accent: #2f7fd3;
  --accent-soft: rgba(47, 127, 211, 0.14);
  --accent-ink: #f5fbff;
  --danger: #9f2f20;
  --good: #1a8d5d;
  --warn: #a4671f;
  --shadow: 0 20px 44px rgba(9, 22, 45, 0.14);
  --radius: 18px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --app-bg: #08111d;
    --app-bg-deep: #101b2c;
    --ink: #e4edff;
    --ink-muted: #9eb1d3;
    --panel: rgba(10, 20, 35, 0.86);
    --panel-border: rgba(142, 171, 223, 0.25);
    --surface: rgba(14, 27, 45, 0.88);
    --surface-border: rgba(144, 173, 222, 0.28);
    --accent: #79c8ff;
    --accent-soft: rgba(121, 200, 255, 0.16);
    --accent-ink: #061220;
    --danger: #ff9e88;
    --good: #6ce4b3;
    --warn: #f2cc8f;
    --shadow: 0 24px 54px rgba(0, 0, 0, 0.58);
  }
}

* {
  box-sizing: border-box;
}

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

body {
  overflow: hidden;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(110rem 42rem at 95% -22%, rgba(47, 127, 211, 0.24), transparent 58%),
    radial-gradient(100rem 40rem at -18% 120%, rgba(26, 141, 93, 0.2), transparent 58%),
    linear-gradient(180deg, var(--app-bg) 0%, var(--app-bg-deep) 100%);
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.1;
  background-image: radial-gradient(circle at 20% 20%, #000 0.6px, transparent 0.8px);
  background-size: 3px 3px;
}

.app-shell {
  position: relative;
  z-index: 1;
  width: min(1860px, 98vw);
  height: calc(100dvh - 1.6rem);
  margin: 0.8rem auto;
  display: flex;
  flex-direction: column;
  gap: 0.92rem;
  min-height: 0;
}

.app-header {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.9rem 1.2rem;
}

.eyebrow {
  margin: 0;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.74rem;
  color: var(--ink-muted);
  font-weight: 760;
}

h1,
h2,
h3 {
  font-family: "Fraunces", Georgia, serif;
  margin: 0;
  line-height: 1.12;
}

h1 {
  margin-top: 0.14rem;
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
}

.subtitle {
  margin: 0.24rem 0 0;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.header-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-content: flex-start;
}

.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-soft) 65%, var(--panel));
  color: var(--ink);
  border: 1px solid color-mix(in srgb, var(--accent) 42%, transparent);
  padding: 0.34rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 700;
}

.layout-grid {
  flex: 1;
  min-height: 0;
  display: grid;
  gap: 0.9rem;
  grid-template-columns: minmax(240px, 310px) minmax(620px, 1fr) minmax(300px, 380px);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-height: 0;
}

.notes-pane,
.editor-pane,
.insights-pane {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.pane-head {
  display: flex;
  gap: 0.5rem;
  padding: 0.78rem;
  border-bottom: 1px solid var(--panel-border);
}

.input,
.select,
textarea,
.button {
  font: inherit;
  color: var(--ink);
}

.input,
.select,
textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 10px;
  padding: 0.56rem 0.64rem;
}

.input:focus,
.select:focus,
textarea:focus,
.button:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 78%, white 22%);
  outline-offset: 2px;
}

.title {
  font-size: 1.04rem;
  font-weight: 760;
}

.button {
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 10px;
  padding: 0.52rem 0.74rem;
  font-weight: 760;
  cursor: pointer;
}

.button:hover {
  filter: brightness(1.06);
}

.button:disabled {
  opacity: 0.58;
  cursor: not-allowed;
}

.button.ghost {
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  color: var(--ink);
}

.note-list {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 0.55rem;
  display: grid;
  align-content: start;
  gap: 0.45rem;
}

.note-item {
  width: 100%;
  border: 1px solid color-mix(in srgb, var(--panel-border) 72%, transparent);
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  border-radius: 10px;
  text-align: left;
  padding: 0.56rem;
  cursor: pointer;
  color: inherit;
}

.note-item.active {
  border-color: color-mix(in srgb, var(--accent) 66%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 70%, transparent);
}

.note-item strong {
  display: block;
  font-size: 0.9rem;
}

.note-item span,
.note-item time {
  display: block;
  font-size: 0.77rem;
  color: var(--ink-muted);
}

.editor-head {
  justify-content: space-between;
  flex-wrap: wrap;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.runtime-strip {
  border-bottom: 1px solid var(--panel-border);
  padding: 0.72rem 0.8rem 0.64rem;
  display: grid;
  gap: 0.52rem;
}

.runtime-grid {
  display: grid;
  gap: 0.52rem;
  grid-template-columns: 1.2fr auto 1fr 1fr 0.7fr;
  align-items: end;
}

.runtime-field,
.runtime-toggle {
  display: grid;
  gap: 0.22rem;
}

.runtime-field span,
.runtime-toggle span {
  font-size: 0.72rem;
  font-weight: 760;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
}

.runtime-toggle {
  align-self: stretch;
  align-content: center;
  border: 1px solid var(--surface-border);
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface) 74%, transparent);
  padding: 0.48rem 0.54rem;
  grid-template-columns: auto 1fr;
  align-items: center;
  column-gap: 0.44rem;
}

.runtime-toggle input {
  margin: 0;
  width: 0.96rem;
  height: 0.96rem;
  accent-color: var(--accent);
}

.runtime-toggle span {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.01em;
  text-transform: none;
  color: var(--ink);
}

.runtime-status {
  margin: 0;
  font-size: 0.79rem;
  color: color-mix(in srgb, var(--ink) 78%, var(--ink-muted));
  font-weight: 620;
}

.editor-grid {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 0.8rem;
  padding: 0.8rem;
}

.editor-col,
.preview-col {
  display: grid;
  gap: 0.45rem;
  min-height: 0;
}

.editor-col {
  grid-template-rows: auto minmax(0, 1fr) auto auto;
}

.preview-col {
  grid-template-rows: auto minmax(0, 1fr);
}

label {
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

textarea {
  height: 100%;
  min-height: 0;
  resize: none;
  font-family: "IBM Plex Mono", Consolas, monospace;
  line-height: 1.52;
}

.editor-hints {
  display: flex;
  align-items: center;
  gap: 0.44rem;
  flex-wrap: wrap;
}

.chip {
  border: 1px solid color-mix(in srgb, var(--accent) 44%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-soft) 85%, transparent);
  color: var(--ink);
  font-size: 0.75rem;
  padding: 0.24rem 0.6rem;
}

.hint-text {
  color: var(--ink-muted);
  font-size: 0.77rem;
}

.slash-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  max-height: 4.8rem;
  overflow: auto;
}

.slash-item {
  border: 1px solid color-mix(in srgb, var(--panel-border) 80%, transparent);
  background: color-mix(in srgb, var(--surface) 84%, transparent);
  border-radius: 999px;
  padding: 0.28rem 0.56rem;
  font-size: 0.75rem;
  cursor: pointer;
}

.preview-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.4rem;
}

.preview {
  height: 100%;
  min-height: 0;
  overflow: auto;
  border: 1px solid color-mix(in srgb, var(--panel-border) 82%, transparent);
  border-radius: 10px;
  padding: 0.75rem;
  line-height: 1.6;
}

.preview h1,
.preview h2,
.preview h3,
.preview h4 {
  margin: 0.45rem 0 0.3rem;
}

.preview p,
.preview ul,
.preview pre,
.preview blockquote,
.preview table {
  margin: 0.38rem 0;
}

.preview code {
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 0.88em;
  background: color-mix(in srgb, currentColor 12%, transparent);
  padding: 0.08rem 0.28rem;
  border-radius: 5px;
}

.preview pre {
  overflow: auto;
  padding: 0.62rem;
  border-radius: 8px;
}

.preview blockquote {
  border-left: 3px solid color-mix(in srgb, currentColor 35%, transparent);
  padding-left: 0.62rem;
}

.preview table {
  width: 100%;
  border-collapse: collapse;
}

.preview th,
.preview td {
  border: 1px solid color-mix(in srgb, currentColor 24%, transparent);
  padding: 0.3rem 0.4rem;
}

.theme-studio {
  background: linear-gradient(168deg, rgba(255, 255, 255, 0.96), rgba(246, 249, 255, 0.95));
  color: #142745;
}

.theme-paper {
  background: linear-gradient(165deg, #fffdf8, #f8f2e8);
  color: #302519;
}

.theme-solarized {
  background: linear-gradient(165deg, #f6f0d9, #eee6c6);
  color: #313b2a;
}

.theme-terminal {
  background: linear-gradient(165deg, #08140f, #0b2017);
  color: #9af7b3;
}

.theme-terminal a {
  color: #7de6ff;
}

.theme-noir {
  background: linear-gradient(150deg, #0a0d15, #141b2b 58%, #0b1220);
  color: #dde4f6;
}

.theme-noir a {
  color: #8fc2ff;
}

.theme-blueprint {
  background:
    linear-gradient(0deg, rgba(26, 55, 95, 0.08), rgba(26, 55, 95, 0.08)),
    repeating-linear-gradient(0deg, rgba(32, 94, 168, 0.1) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(90deg, rgba(32, 94, 168, 0.1) 0 1px, transparent 1px 24px),
    linear-gradient(162deg, #edf5ff, #dceaff);
  color: #14355f;
}

.insights-pane {
  padding: 0.72rem;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 0.72rem;
}

.tool-window {
  border: 1px solid color-mix(in srgb, var(--panel-border) 80%, transparent);
  border-radius: 13px;
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  padding: 0.58rem 0.62rem;
}

.tool-window header {
  margin-bottom: 0.34rem;
}

.tool-window h2 {
  font-size: 0.98rem;
}

.tool-window small {
  font-size: 0.74rem;
  color: var(--ink-muted);
}

.tool-window ul {
  margin: 0;
  padding-left: 1.05rem;
  display: grid;
  gap: 0.34rem;
  font-size: 0.82rem;
}

.tool-window li {
  color: color-mix(in srgb, var(--ink) 92%, transparent);
}

.tool-hints {
  border-color: color-mix(in srgb, #3a89dc 42%, var(--panel-border));
}

.tool-help {
  border-color: color-mix(in srgb, #4fa370 40%, var(--panel-border));
}

.tool-brainstorm {
  border-color: color-mix(in srgb, #c68943 40%, var(--panel-border));
}

.tool-voice {
  border-color: color-mix(in srgb, #7f69cc 40%, var(--panel-border));
}

.tool-model {
  border-color: color-mix(in srgb, #2e6aa8 45%, var(--panel-border));
}

.console-detail {
  margin: 0.2rem 0 0.35rem;
  font-size: 0.78rem;
  color: var(--ink-muted);
}

.palette-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 20;
}

.palette {
  position: fixed;
  top: 14vh;
  left: 50%;
  transform: translateX(-50%);
  width: min(620px, 92vw);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 0.7rem;
  z-index: 21;
}

.palette-list {
  margin-top: 0.55rem;
  max-height: 48vh;
  overflow: auto;
  display: grid;
  gap: 0.4rem;
}

.palette-item {
  border: 1px solid color-mix(in srgb, var(--panel-border) 72%, transparent);
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  padding: 0.5rem;
  cursor: pointer;
}

.palette-item.active {
  border-color: color-mix(in srgb, var(--accent) 65%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 60%, transparent);
}

.palette-item strong {
  display: block;
}

.palette-item span {
  font-size: 0.78rem;
  color: var(--ink-muted);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  border: 0;
  padding: 0;
  clip: rect(0 0 0 0);
  overflow: hidden;
}

@media (max-width: 1220px) {
  .layout-grid {
    grid-template-columns: minmax(220px, 280px) 1fr;
  }

  .insights-pane {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-height: 40vh;
  }

  .runtime-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1080px) {
  body {
    overflow: auto;
  }

  .app-shell {
    width: min(960px, 97vw);
    height: auto;
    min-height: calc(100dvh - 1rem);
  }

  .layout-grid {
    grid-template-columns: 1fr;
    height: auto;
  }

  .notes-pane,
  .editor-pane,
  .insights-pane {
    min-height: 0;
    max-height: none;
  }

  .note-list {
    max-height: 40vh;
  }

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

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

  textarea,
  .preview {
    min-height: 38vh;
  }

  .insights-pane {
    grid-template-columns: 1fr;
    max-height: none;
  }
}