/* ============================================================
   AI Request Router — demo styles
   Dark, modern, minimal. No framework, no build step.
   ============================================================ */

:root {
  --bg:            #0b0f17;
  --bg-elev:       #121826;
  --bg-elev-2:     #1a2233;
  --border:        #232d42;
  --border-soft:   #1c2537;
  --text:          #e6ebf5;
  --text-dim:      #97a3b6;
  --text-faint:    #66728a;
  --accent:        #6d8bff;
  --accent-soft:   rgba(109, 139, 255, 0.14);
  --ok:            #34d399;
  --warn:          #fbbf24;
  --danger:        #f87171;
  --radius:        14px;
  --radius-sm:     9px;
  --shadow:        0 12px 40px rgba(0, 0, 0, 0.45);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
          "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

body {
  background-image:
    radial-gradient(900px 500px at 12% -10%, rgba(109, 139, 255, 0.10), transparent 60%),
    radial-gradient(700px 400px at 100% 0%, rgba(52, 211, 153, 0.06), transparent 55%);
  min-height: 100vh;
}

.app {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 20px 64px;
}

/* --- Masthead --- */
.masthead {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 28px;
}

.logo {
  flex: none;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 20px;
  border: 1px solid var(--border);
}

h1 {
  margin: 2px 0 4px;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.95rem;
  max-width: 52ch;
}

/* --- Cards --- */
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form-card { padding: 22px; }

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
}

textarea {
  width: 100%;
  resize: vertical;
  min-height: 120px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.55;
  transition: border-color 0.15s, box-shadow 0.15s;
}

textarea::placeholder { color: var(--text-faint); }

textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* --- Example chips --- */
.examples {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 14px 0 18px;
}

.examples-label {
  font-size: 0.82rem;
  color: var(--text-faint);
}

.chip {
  border: 1px solid var(--border);
  background: var(--bg-elev-2);
  color: var(--text-dim);
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.15s;
}

.chip:hover {
  color: var(--text);
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* --- Primary button --- */
.primary {
  position: relative;
  width: 100%;
  padding: 13px 18px;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, #7c93ff, #5a76f5);
  color: #0a0d16;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 0.06s, filter 0.15s, opacity 0.15s;
}

.primary:hover { filter: brightness(1.06); }
.primary:active { transform: translateY(1px); }

.primary:disabled {
  cursor: default;
  opacity: 0.75;
  filter: none;
}

/* Spinner (hidden unless .loading) */
.spinner {
  display: none;
  width: 16px;
  height: 16px;
  margin-left: 10px;
  vertical-align: -3px;
  border: 2px solid rgba(10, 13, 22, 0.35);
  border-top-color: #0a0d16;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.primary.loading .spinner { display: inline-block; }

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

/* --- Result area --- */
.result { margin-top: 20px; }
.result:empty { margin-top: 0; }

.result-card {
  padding: 20px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev);
  animation: rise 0.22s ease-out;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.result-head {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
}

.badge-category {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--border);
  text-transform: capitalize;
}

.badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

/* Priority color coding */
.prio-low    { background: rgba(52, 211, 153, 0.13); color: var(--ok);     border-color: rgba(52, 211, 153, 0.30); }
.prio-medium { background: rgba(251, 191, 36, 0.13); color: var(--warn);   border-color: rgba(251, 191, 36, 0.30); }
.prio-high   { background: rgba(248, 113, 113, 0.14); color: var(--danger); border-color: rgba(248, 113, 113, 0.32); }
.prio-unknown{ background: var(--bg-elev-2);          color: var(--text-dim); border-color: var(--border); }

.result-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  margin-bottom: 4px;
}

.result-summary {
  font-size: 1.05rem;
  color: var(--text);
  margin: 0 0 14px;
}

.result-original {
  font-size: 0.9rem;
  color: var(--text-dim);
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Notice + error variants */
.notice-card { border-left: 3px solid var(--warn); }
.error-card  { border-left: 3px solid var(--danger); }

.notice-card h3, .error-card h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}
.error-card h3 { color: var(--danger); }
.notice-card h3 { color: var(--warn); }

.result-card p.muted {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.92rem;
}

.result-card code {
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 0.85em;
  color: var(--text);
}

/* --- Recent submissions --- */
.recent { margin-top: 34px; }

.recent h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin: 0 0 12px;
}

.recent-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.recent-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 13px 15px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
}

.recent-item .r-body { min-width: 0; flex: 1; }

.recent-item .r-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 5px;
}

.recent-item .r-time {
  margin-left: auto;
  font-size: 0.76rem;
  color: var(--text-faint);
  white-space: nowrap;
}

.recent-item .r-summary {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.badge-sm {
  padding: 2px 9px;
  font-size: 0.72rem;
}

/* --- Footer --- */
.foot {
  margin-top: 40px;
  text-align: center;
  color: var(--text-faint);
  font-size: 0.82rem;
}

@media (max-width: 560px) {
  .app { padding: 32px 14px 48px; }
  .r-time { margin-left: 0; }
}