:root {
  --ink: #1a2333;
  --ink-soft: #46536b;
  --paper: #f7f8fb;
  --card: #ffffff;
  --accent: #14507a;
  --accent-dark: #0e3c5c;
  --accent-contrast: #ffffff;
  --line: #d7dce6;
  --success-bg: #e7f4ec;
  --success-ink: #135f2e;
  --error-bg: #fbeaea;
  --error-ink: #8f1d1d;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-contrast);
  padding: 0.5rem 1rem;
  z-index: 10;
}
.skip-link:focus { left: 0; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.5rem;
  background: var(--accent-dark);
  color: var(--accent-contrast);
}
.site-header .brand {
  color: var(--accent-contrast);
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  letter-spacing: 0.06em;
}
.site-header nav { display: flex; align-items: center; gap: 1.1rem; flex-wrap: wrap; }
.site-header nav a { color: #dbe9f5; text-decoration: none; }
.site-header nav a:hover, .site-header nav a:focus { color: #ffffff; text-decoration: underline; }

.container { max-width: 960px; margin: 0 auto; padding: 1.5rem 1.25rem 3rem; }

h1 { font-size: 1.65rem; margin: 0.8rem 0; }
h2 { font-size: 1.2rem; margin: 0.6rem 0; }
.lead { color: var(--ink-soft); max-width: 60ch; }
.hint { color: var(--ink-soft); font-size: 0.9em; font-weight: normal; }

a { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.3rem;
  margin: 1rem 0;
}

label { display: block; font-weight: 600; margin: 0.8rem 0 0.25rem; }
input, textarea, select {
  width: 100%;
  padding: 0.55rem 0.7rem;
  font: inherit;
  border: 1px solid var(--ink-soft);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}
textarea { resize: vertical; }

button, .button-link {
  display: inline-block;
  margin-top: 0.9rem;
  padding: 0.55rem 1.2rem;
  font: inherit;
  font-weight: 600;
  color: var(--accent-contrast);
  background: var(--accent);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
}
button:hover, .button-link:hover { background: var(--accent-dark); }
button.secondary { background: #5c4a72; }
button.secondary:hover { background: #47385a; }
button.danger { background: #a02121; }
button.danger:hover { background: #7c1717; }
.primary-action { font-size: 1.05rem; padding: 0.7rem 1.5rem; }
.link-button {
  background: none;
  border: none;
  color: inherit;
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
  margin: 0;
  font: inherit;
}
.inline-form { display: inline; }

.auth-card { max-width: 640px; margin: 2.5rem auto; }
.auth-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
@media (max-width: 640px) { .auth-grid { grid-template-columns: 1fr; } }

.alert { padding: 0.7rem 1rem; border-radius: 6px; margin: 0.8rem 0; }
.alert-error { background: var(--error-bg); color: var(--error-ink); border: 1px solid #dfb4b4; }
.alert-success { background: var(--success-bg); color: var(--success-ink); border: 1px solid #a9d3b7; }

.status {
  display: inline-block;
  padding: 0.12rem 0.6rem;
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  vertical-align: middle;
}
.status-draft { background: #e4e7ee; color: #3c485e; }
.status-generating, .status-queued { background: #fdf3dc; color: #6d4d05; }
.status-ready, .status-complete, .status-done { background: var(--success-bg); color: var(--success-ink); }
.status-approved { background: #e3ecf9; color: #1c4477; }
.status-escalated, .status-failed, .status-stalled { background: var(--error-bg); color: var(--error-ink); }
.status-running { background: #fdf3dc; color: #6d4d05; }

.badge {
  display: inline-block;
  min-width: 1.4em;
  padding: 0.05em 0.45em;
  border-radius: 99px;
  background: #a02121;
  color: #fff;
  font-size: 0.8rem;
  text-align: center;
}

.project-list, .notification-list, .alert-list { list-style: none; padding: 0; }
.project-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.8rem 1.1rem;
  margin: 0.5rem 0;
}
.project-name { font-weight: 600; }
.notification-list li { padding: 0.45rem 0; border-bottom: 1px solid var(--line); }
.notification-list li.unread { font-weight: 600; }
.empty-state { color: var(--ink-soft); font-style: italic; }

.chat-surface { margin: 1.2rem 0; }
.chat-message {
  max-width: 46rem;
  padding: 0.9rem 1.2rem;
  border-radius: 14px;
  margin: 0.9rem 0;
}
.app-message { background: #e8eef7; border: 1px solid #c8d6ea; }
.founder-message { background: #eef7e8; border: 1px solid #cde8c8; margin-left: auto; }
.speaker-name { font-weight: 600; font-size: 0.85em; color: var(--ink-soft); margin: 0 0 0.35rem; }
.status-intake { background: #f3e8f7; color: #5b2d6e; }
.error-banner { background: #fbe9e9; border: 1px solid #e6b8b8; color: #7a1f1f; padding: 0.7rem 1rem; border-radius: 10px; }
.intake-form textarea { width: 100%; }
.handoff { background: #fdf3dc; border-color: #ecd9a2; }
.brief-card { border-left: 4px solid var(--accent); }
.brief-body { white-space: pre-wrap; }

.artifact-grid {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.artifact-card h2 { margin-top: 0; }
.package-actions { display: flex; align-items: center; gap: 1rem; margin: 1.4rem 0; flex-wrap: wrap; }

.document-body h1 { font-size: 1.45rem; }
.document-body h2 { border-bottom: 1px solid var(--line); padding-bottom: 0.25rem; margin-top: 1.4rem; }

.data-table { width: 100%; border-collapse: collapse; background: var(--card); }
.data-table th, .data-table td { text-align: left; padding: 0.55rem 0.8rem; border-bottom: 1px solid var(--line); }
.data-table th { background: #eef1f6; }
.detail-cell { max-width: 26rem; overflow-wrap: anywhere; font-size: 0.9em; color: var(--ink-soft); }

.diff-view {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  overflow-x: auto;
  white-space: pre-wrap;
}
.diff-added { background: #dcf1e3; color: #114a25; }
.diff-removed { background: #fbdddd; color: #7c1414; text-decoration: line-through; }

.stat-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; min-width: 10rem; }
.stat-value { font-size: 1.6rem; font-weight: 700; }
.stat-label { color: var(--ink-soft); }

.danger-zone { border-left: 4px solid #a02121; }

.breadcrumb { color: var(--ink-soft); font-size: 0.92rem; margin-top: 0.6rem; }

.site-footer {
  text-align: center;
  color: var(--ink-soft);
  padding: 1.5rem;
  border-top: 1px solid var(--line);
}