:root {
  --bg0: #e8eef2;
  --bg1: #f7f4ef;
  --ink: #1c2429;
  --muted: #5c6b75;
  --line: #c9d3da;
  --accent: #0f6a5a;
  --accent-ink: #073d34;
  --danger: #8b2e2e;
  --ok: #1f5c3a;
  --surface: rgba(255, 255, 255, 0.72);
  --shadow: 0 18px 50px rgba(28, 36, 41, 0.08);
  --radius: 14px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    radial-gradient(1200px 700px at 10% -10%, #d7ebe4 0%, transparent 55%),
    radial-gradient(900px 600px at 100% 0%, #f0e2cf 0%, transparent 50%),
    linear-gradient(160deg, var(--bg0), var(--bg1));
}

a { color: var(--accent-ink); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }

.brand {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0;
  line-height: 1.05;
}

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

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1.25rem clamp(1rem, 4vw, 2.5rem);
}

.topbar .brand { font-size: 1.55rem; }

.text-link {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}
.text-link:hover { color: var(--ink); }

.wrap {
  width: min(760px, calc(100% - 2rem));
  margin: 0 auto 4rem;
}

.page-login {
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}

.login-shell {
  width: min(420px, 100%);
  padding: 2.25rem 1.75rem;
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.7);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.login-shell h1,
.hero-block h1,
.detail-head h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0.4rem 0 0.35rem;
  letter-spacing: -0.02em;
}

.lede, .muted { color: var(--muted); line-height: 1.5; }

.stack { display: grid; gap: 1rem; margin-top: 1.5rem; }

label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.95rem;
}

input[type="text"],
input[type="password"],
input[type="file"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.7rem 0.85rem;
  font: inherit;
  background: #fff;
  color: var(--ink);
}

button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 0.75rem 1.2rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  transition: transform 0.15s ease, background 0.15s ease;
}

button:hover { background: var(--accent-ink); transform: translateY(-1px); }
button.secondary { background: #2d3a42; }
button.danger { background: var(--danger); }

.hero-block { margin: 0.5rem 0 1.75rem; }
.hero-block .lede { max-width: 36rem; }

.upload-block,
.list-block,
.content-block,
.audio-block {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.65);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.25rem;
  backdrop-filter: blur(6px);
}

h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  margin: 0 0 0.9rem;
}

.upload-form { display: grid; gap: 1rem; }
.optional { font-weight: 400; color: var(--muted); font-size: 0.85rem; }

.recording-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.recording-list li + li { border-top: 1px solid var(--line); }

.recording-list a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  padding: 0.85rem 0;
  text-decoration: none;
  color: inherit;
}

.recording-list a:hover .rec-title { color: var(--accent); }

.rec-title { font-weight: 600; }
.rec-meta {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.92rem;
  flex-wrap: wrap;
}

.status {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
}

.status-queued, .status-processing { color: #8a5a12; }
.status-done { color: var(--ok); }
.status-error { color: var(--danger); }

.flash {
  padding: 0.75rem 1rem;
  border-radius: 10px;
  margin: 0 0 1rem;
  background: rgba(255,255,255,0.8);
  border: 1px solid var(--line);
}

.flash.error { border-color: #e2b4b4; color: var(--danger); }
.flash.ok { border-color: #b7d7c3; color: var(--ok); }

.back { margin: 0 0 1rem; }
.back a { text-decoration: none; color: var(--muted); font-weight: 600; }

.audio-block audio { width: 100%; }

.actions, .ai-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0 0 1.25rem;
}

.inline-form { display: inline; }

.transcript, .ai-text {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--font-body);
  line-height: 1.55;
  font-size: 1rem;
}

.ai-prose {
  line-height: 1.6;
  font-size: 1rem;
}

.ai-prose > *:first-child { margin-top: 0; }
.ai-prose > *:last-child { margin-bottom: 0; }

.ai-prose p { margin: 0 0 0.85rem; }

.ai-prose h3,
.ai-prose h4,
.ai-prose h5,
.ai-prose h6 {
  font-family: var(--font-display);
  font-weight: 500;
  margin: 1.1rem 0 0.45rem;
  letter-spacing: -0.01em;
}

.ai-prose h3 { font-size: 1.2rem; }
.ai-prose h4 { font-size: 1.08rem; }

.ai-prose ul,
.ai-prose ol {
  margin: 0 0 0.9rem;
  padding-left: 1.25rem;
}

.ai-prose li { margin: 0.25rem 0; }

.ai-prose strong { font-weight: 600; }

.ai-prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
  background: rgba(28, 36, 41, 0.06);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.ai-prose pre {
  background: rgba(28, 36, 41, 0.06);
  padding: 0.85rem 1rem;
  border-radius: 10px;
  overflow-x: auto;
  margin: 0 0 0.9rem;
}

.ai-prose pre code {
  background: none;
  padding: 0;
}

.ai-prose hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 1rem 0;
}

.ai-prose a { color: var(--accent-ink); }

.ai-prose .table-wrap {
  overflow-x: auto;
  margin: 0 0 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.55);
}

.ai-prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.ai-prose th,
.ai-prose td {
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.ai-prose th {
  font-weight: 600;
  background: rgba(28, 36, 41, 0.04);
}

.ai-prose tr:last-child td {
  border-bottom: 0;
}

@media (max-width: 640px) {
  .recording-list a { flex-direction: column; gap: 0.35rem; }
}

body.is-waiting {
  overflow: hidden;
}

.ai-wait {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  background: rgba(28, 36, 41, 0.35);
  backdrop-filter: blur(4px);
}

.ai-wait[hidden] {
  display: none;
}

.ai-wait-panel {
  width: min(320px, calc(100% - 2rem));
  padding: 1.75rem 1.5rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow);
  text-align: center;
}

.ai-wait-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 1rem 0 0.25rem;
}

.ai-wait-sub {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.spinner {
  width: 2.25rem;
  height: 2.25rem;
  margin: 0 auto;
  border-radius: 50%;
  border: 3px solid var(--line);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}

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

button:disabled {
  opacity: 0.65;
  cursor: wait;
  transform: none;
}