:root {
  color-scheme: light;
  --bg: #eff6fa;
  --ink: #1a1a1a;
  --muted: #525252;
  --surface: #fffaf0;
  --surface-2: #e0eef6;
  --accent: #f9c623;
  --danger: #b42318;
  --border: 2px solid var(--ink);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "DM Sans", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 14px 18px 8px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  max-width: 1120px;
  margin: 0 auto;
  border: var(--border);
  border-radius: 999px;
  background: var(--surface);
  box-shadow: 4px 4px 0 var(--ink);
  padding: 10px 14px;
}

.brand,
.nav-links,
.login-link {
  color: var(--ink);
  text-decoration: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: max-content;
  font-weight: 1000;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: var(--border);
  border-radius: 12px;
  background: var(--accent);
  font-weight: 1000;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  font-size: 14px;
  font-weight: 900;
}

.nav-links a,
.login-link {
  color: var(--ink);
  text-decoration: none;
}

.nav-links a:hover,
.login-link:hover {
  opacity: 0.72;
}

.nav-links .active {
  border: var(--border);
  border-radius: 999px;
  background: var(--accent);
  padding: 5px 10px;
}

.login-link {
  min-width: max-content;
  border: var(--border);
  border-radius: 999px;
  padding: 8px 12px;
  background: var(--surface-2);
  font-size: 13px;
  font-weight: 1000;
}

.shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 18px 56px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 24px;
  align-items: end;
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 14px;
  border: var(--border);
  border-radius: 999px;
  padding: 8px 12px;
  background: var(--surface);
  font-size: 12px;
  font-weight: 900;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-family: Lexend, Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(36px, 7vw, 72px);
  line-height: 0.94;
  letter-spacing: 0;
}

.lede {
  max-width: 640px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
}

.status-card,
.panel {
  border: var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 6px 6px 0 var(--ink);
}

.status-card {
  display: grid;
  gap: 8px;
  padding: 18px;
}

.dot {
  width: 12px;
  height: 12px;
  border: var(--border);
  border-radius: 999px;
  background: var(--accent);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 24px;
  margin-top: 34px;
}

.compact-hero h1 {
  max-width: 760px;
}

.agent-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 24px;
  margin-top: 28px;
  align-items: start;
}

.chat-agent {
  display: grid;
  grid-template-rows: minmax(420px, 58vh) auto auto;
  gap: 14px;
}

.chat-log {
  overflow-y: auto;
  display: grid;
  align-content: start;
  gap: 12px;
  border: var(--border);
  border-radius: 8px;
  background: #fff;
  padding: 14px;
}

.bubble {
  width: min(86%, 620px);
  border: var(--border);
  border-radius: 8px;
  padding: 12px;
  box-shadow: 3px 3px 0 var(--ink);
}

.bubble span,
.bubble small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 1000;
}

.bubble p {
  margin: 5px 0 0;
  font-weight: 800;
  line-height: 1.45;
  white-space: pre-wrap;
}

.bubble.is-user {
  justify-self: end;
  background: var(--accent);
}

.bubble.is-agent {
  justify-self: start;
  background: var(--surface-2);
}

.bubble.is-pending p::after {
  content: "";
  display: inline-block;
  width: 1.1em;
  animation: typing-dots 1.1s steps(4) infinite;
}

.upload-preview {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  border: var(--border);
  border-radius: 8px;
  background: #fff;
  padding: 10px;
}

.upload-preview.is-empty .preview-thumb-wrap {
  background: var(--surface-2);
}

.upload-preview.is-dragging {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.preview-thumb-wrap {
  display: grid;
  width: 72px;
  height: 72px;
  place-items: center;
  overflow: hidden;
  border: var(--border);
  border-radius: 8px;
  background: #fff;
}

.preview-thumb-wrap::before {
  content: "ảnh";
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.preview-thumb-wrap:has(.has-image)::before {
  display: none;
}

.preview-thumb-wrap .image-preview {
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 0;
}

.upload-preview strong,
.upload-preview span {
  display: block;
}

.upload-preview span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.composer {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: end;
}

.composer textarea {
  min-height: 50px;
  max-height: 180px;
}

.agent-side {
  position: sticky;
  top: 104px;
}

.agent-side h2 {
  margin: 0 0 14px;
  font-size: 24px;
}

.agent-state {
  display: grid;
  gap: 12px;
}

.state-card,
.state-note {
  border: var(--border);
  border-radius: 8px;
  background: #fff;
  padding: 12px;
}

.state-card {
  display: grid;
  gap: 5px;
}

.state-card span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.state-list {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 8px 10px;
  margin: 0;
  border: var(--border);
  border-radius: 8px;
  background: #fff;
  padding: 12px;
  font-size: 13px;
}

.state-list dt {
  color: var(--muted);
  font-weight: 900;
}

.state-list dd {
  margin: 0;
  font-weight: 800;
}

.state-note ul {
  margin: 8px 0 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.state-note.warning {
  background: color-mix(in srgb, var(--accent) 14%, #fff);
}

.panel {
  padding: 22px;
}

form {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 7px;
  font-size: 13px;
  font-weight: 900;
}

.upload-field {
  display: grid;
  gap: 7px;
}

.field-label {
  font-size: 13px;
  font-weight: 900;
}

.dropzone {
  display: grid;
  grid-template-columns: auto 72px minmax(160px, 1fr);
  gap: 12px;
  align-items: center;
  border: var(--border);
  border-radius: 8px;
  background: #fff;
  padding: 12px;
  cursor: pointer;
}

.dropzone:focus-visible,
.dropzone.is-dragging {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.dropzone strong,
.dropzone span {
  display: block;
}

.dropzone span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.image-preview {
  display: none;
  width: 72px;
  height: 72px;
  border: var(--border);
  border-radius: 6px;
  background: var(--surface-2);
  object-fit: cover;
}

.image-preview.has-image {
  display: block;
}

.file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

input,
select,
textarea {
  width: 100%;
  border: var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  padding: 12px;
}

textarea {
  resize: vertical;
}

.grid-2,
.grid-3 {
  display: grid;
  gap: 12px;
}

.grid-2 {
  grid-template-columns: 180px 1fr;
}

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

button {
  cursor: pointer;
  border: var(--border);
  border-radius: 8px;
  background: var(--accent);
  color: var(--ink);
  padding: 14px 18px;
  font: inherit;
  font-weight: 1000;
  box-shadow: 4px 4px 0 var(--ink);
}

.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  box-shadow: 2px 2px 0 var(--ink);
  padding: 10px 12px;
  border: var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 1000;
  min-height: 42px;
}

button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.chat h2 {
  margin: 0 0 12px;
  font-size: 22px;
}

ol {
  padding-left: 20px;
  color: var(--muted);
  font-weight: 700;
}

.messages,
.result {
  margin-top: 16px;
  border: var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  padding: 14px;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.45;
}

.messages .error {
  color: var(--danger);
}

.result a {
  color: var(--ink);
  font-weight: 1000;
}

.wait-card {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  margin: 12px 0;
  border: var(--border);
  border-radius: 8px;
  background: #fff;
  padding: 14px;
}

.wait-card.is-done {
  background: color-mix(in srgb, var(--accent) 18%, #fff);
}

.capybara-stage {
  display: grid;
  place-items: center;
  min-height: 190px;
  border: 1px dashed color-mix(in srgb, var(--ink) 42%, transparent);
  border-radius: 8px;
  background:
    linear-gradient(45deg, color-mix(in srgb, var(--surface-2) 55%, transparent) 25%, transparent 25%),
    linear-gradient(-45deg, color-mix(in srgb, var(--surface-2) 55%, transparent) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, color-mix(in srgb, var(--surface-2) 55%, transparent) 75%),
    linear-gradient(-45deg, transparent 75%, color-mix(in srgb, var(--surface-2) 55%, transparent) 75%);
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  background-size: 16px 16px;
}

.capybara-sprite {
  width: min(176px, 42vw);
  aspect-ratio: 271.5 / 346;
  background-image: url("/static/assets/capybara-loading-spritesheet.png");
  background-repeat: no-repeat;
  background-size: 800% 100%;
  animation: capybara-draw 1.15s steps(8) infinite;
}

.wait-card.is-done .capybara-sprite {
  width: 92px;
  margin: 0 auto;
  animation-duration: 1.8s;
}

.wait-copy {
  display: grid;
  gap: 8px;
}

.wait-kicker {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 1000;
  text-transform: uppercase;
}

.wait-copy h3 {
  margin: 0;
  font-family: Lexend, Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 20px;
}

.progress-track {
  overflow: hidden;
  height: 14px;
  border: var(--border);
  border-radius: 999px;
  background: var(--surface-2);
}

.progress-track span {
  display: block;
  width: 0;
  height: 100%;
  border-right: var(--border);
  background:
    repeating-linear-gradient(
      45deg,
      var(--accent) 0,
      var(--accent) 9px,
      color-mix(in srgb, var(--accent) 76%, #fff) 9px,
      color-mix(in srgb, var(--accent) 76%, #fff) 18px
    );
  transition: width 0.35s ease;
}

.stream-lines {
  display: grid;
  gap: 6px;
  margin: 2px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.stream-lines li::before {
  content: "• ";
  color: var(--ink);
}

@keyframes capybara-draw {
  from {
    background-position-x: 0;
  }
  to {
    background-position-x: 100%;
  }
}

@keyframes typing-dots {
  0% {
    content: "";
  }
  25% {
    content: ".";
  }
  50% {
    content: "..";
  }
  75%,
  100% {
    content: "...";
  }
}

.planner-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 10px 0 12px;
  color: var(--ink);
}

.planner-summary span {
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 3px 8px;
  background: #fff;
  color: var(--muted);
  font-size: 12px;
}

.job-preview {
  display: grid;
  gap: 8px;
  margin: 12px 0;
}

.job-preview img {
  display: block;
  width: 100%;
  max-height: 220px;
  border: var(--border);
  border-radius: 8px;
  background: #fff;
  object-fit: contain;
}

.job-preview figcaption {
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 820px) {
  .site-nav {
    align-items: flex-start;
    border-radius: 18px;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
    gap: 10px 14px;
  }

  .hero,
  .workspace,
  .agent-layout,
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

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

  .wait-card {
    grid-template-columns: 1fr;
  }

  .chat-agent {
    grid-template-rows: minmax(360px, 55vh) auto auto;
  }

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

  .agent-side {
    position: static;
  }
}