:root {
  --ink: #13211c;
  --ink-soft: #3d4f47;
  --paper: #f3efe6;
  --panel: rgba(255, 252, 246, 0.88);
  --line: rgba(19, 33, 28, 0.12);
  --accent: #0f766e;
  --accent-deep: #0b4f4a;
  --warm: #c45c26;
  --ok: #1f7a4d;
  --bad: #b42318;
  --shadow: 0 24px 60px rgba(19, 33, 28, 0.12);
  --radius: 22px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Outfit", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 10% -10%, rgba(15, 118, 110, 0.18), transparent 55%),
    radial-gradient(900px 600px at 100% 0%, rgba(196, 92, 38, 0.14), transparent 50%),
    linear-gradient(160deg, #efe8da 0%, var(--paper) 45%, #e7efe9 100%);
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(19, 33, 28, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 33, 28, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 85%);
}

.topbar {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem clamp(1.25rem, 4vw, 3rem);
}

.brand {
  display: flex;
  gap: 0.85rem;
  align-items: center;
}

.brand-mark {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 0.9rem;
  background:
    linear-gradient(145deg, var(--accent) 0%, #1aa39a 55%, var(--warm) 130%);
  box-shadow: 0 10px 24px rgba(15, 118, 110, 0.35);
}

.brand-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-sub {
  margin: 0.1rem 0 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 252, 246, 0.7);
  backdrop-filter: blur(8px);
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.status-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: #9aa59f;
}

.status.ok .status-dot { background: var(--ok); }
.status.bad .status-dot { background: var(--bad); }

.layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1.5rem;
  padding: 0 clamp(1.25rem, 4vw, 3rem) 2rem;
  align-items: start;
}

.hero-panel,
.result-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero-panel {
  padding: clamp(1.4rem, 3vw, 2.2rem);
  animation: rise 0.6s ease both;
}

.result-panel {
  min-height: 34rem;
  padding: clamp(1.4rem, 3vw, 2rem);
  animation: rise 0.75s ease both;
}

.kicker {
  margin: 0 0 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-deep);
}

h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 14ch;
}

.lede {
  margin: 1rem 0 1.4rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1.55;
  max-width: 42ch;
}

.pipeline {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0 0 1.5rem;
  padding: 0;
}

.pipeline li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 500;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.pipeline li span {
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(19, 33, 28, 0.08);
  font-size: 0.72rem;
  font-weight: 700;
}

.pipeline li.active {
  background: rgba(15, 118, 110, 0.12);
  border-color: rgba(15, 118, 110, 0.35);
  color: var(--accent-deep);
  transform: translateY(-1px);
}

.pipeline li.active span {
  background: var(--accent);
  color: white;
}

.ask-box {
  display: grid;
  gap: 0.9rem;
}

.ingest-box {
  display: grid;
  gap: 0.85rem;
  margin: 0 0 1.35rem;
  padding: 1rem 1.05rem;
  border-radius: 16px;
  border: 1px dashed rgba(15, 118, 110, 0.35);
  background: rgba(15, 118, 110, 0.05);
}

.ingest-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.ingest-head p {
  margin: 0.35rem 0 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.45;
}

.ingest-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: end;
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.85);
  color: var(--accent-deep);
  border: 1px solid rgba(15, 118, 110, 0.3);
  box-shadow: none;
  white-space: nowrap;
}

.btn.secondary:hover:not(:disabled) {
  background: rgba(15, 118, 110, 0.1);
  transform: translateY(-1px);
}

.ingest-status {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.ingest-status.busy {
  color: var(--accent-deep);
  font-weight: 500;
}

.ingest-status.ok {
  color: var(--ok);
  font-weight: 500;
}

.ingest-status.bad {
  color: var(--bad);
  font-weight: 500;
}

.progress-panel {
  display: grid;
  gap: 1rem;
  animation: fadeIn 0.35s ease both;
}

.progress-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
}

.progress-kicker {
  margin: 0 0 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-deep);
}

.progress-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 1.9rem);
  letter-spacing: -0.02em;
}

.progress-detail {
  margin: 0.45rem 0 0;
  color: var(--ink-soft);
  line-height: 1.45;
}

.progress-percent {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent-deep);
}

.progress-track {
  height: 0.55rem;
  border-radius: 999px;
  background: rgba(19, 33, 28, 0.08);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent-deep), var(--accent), #2bb5ab);
  transition: width 0.45s ease;
  position: relative;
}

.progress-fill::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  animation: shimmer 1.4s linear infinite;
}

.learn-steps {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
}

.learn-steps li {
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 500;
}

.learn-steps li.active {
  background: rgba(15, 118, 110, 0.12);
  border-color: rgba(15, 118, 110, 0.35);
  color: var(--accent-deep);
}

.learn-steps li.done {
  background: rgba(31, 122, 77, 0.1);
  border-color: rgba(31, 122, 77, 0.28);
  color: var(--ok);
}

.progress-tip {
  margin: 0;
  padding: 0.85rem 0.95rem;
  border-radius: 14px;
  background: rgba(196, 92, 38, 0.08);
  border: 1px solid rgba(196, 92, 38, 0.16);
  color: var(--ink);
  line-height: 1.45;
  font-size: 0.95rem;
}

.progress-url {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
  word-break: break-all;
  min-height: 1.2em;
}

.progress-log-wrap {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(19, 33, 28, 0.04);
  overflow: hidden;
}

.progress-log-label {
  margin: 0;
  padding: 0.55rem 0.85rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
}

.progress-log {
  list-style: none;
  margin: 0;
  padding: 0.55rem 0.85rem;
  max-height: 11rem;
  overflow: auto;
  display: grid;
  gap: 0.35rem;
}

.progress-log li {
  font-size: 0.84rem;
  color: var(--ink-soft);
  line-height: 1.35;
  animation: fadeIn 0.25s ease both;
}

.progress-log li:last-child {
  color: var(--ink);
  font-weight: 500;
}

@keyframes shimmer {
  from { transform: translateX(-100%); }
  to { transform: translateX(100%); }
}

.field {
  display: grid;
  gap: 0.4rem;
}

.field span {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.field select,
.field textarea,
.field input[type="url"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  font: inherit;
  padding: 0.85rem 0.95rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field textarea {
  resize: vertical;
  min-height: 6rem;
}

.field select:focus,
.field textarea:focus,
.field input[type="url"]:focus {
  border-color: rgba(15, 118, 110, 0.55);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

.ask-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  border: 0;
  border-radius: 999px;
  padding: 0.85rem 1.4rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent-deep), var(--accent));
  color: white;
  box-shadow: 0 12px 28px rgba(15, 118, 110, 0.28);
}

.btn.primary:hover:not(:disabled) {
  transform: translateY(-1px);
}

.btn.mic {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(15, 118, 110, 0.08);
  color: var(--accent-deep);
  border: 1px solid rgba(15, 118, 110, 0.28);
  box-shadow: none;
}

.btn.mic:hover:not(:disabled) {
  background: rgba(15, 118, 110, 0.14);
  transform: translateY(-1px);
}

.btn.mic.listening {
  background: rgba(185, 28, 28, 0.1);
  color: #b91c1c;
  border-color: rgba(185, 28, 28, 0.35);
  animation: mic-pulse 1.4s ease-in-out infinite;
}

.btn.mic .mic-icon {
  flex-shrink: 0;
}

@keyframes mic-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(185, 28, 28, 0.25); }
  50% { box-shadow: 0 0 0 8px rgba(185, 28, 28, 0); }
}

.btn:disabled {
  opacity: 0.6;
  cursor: wait;
}

.hint {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.samples {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.1rem;
}

.samples button {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font: inherit;
  font-size: 0.86rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.samples button:hover {
  background: rgba(15, 118, 110, 0.1);
  border-color: rgba(15, 118, 110, 0.3);
  color: var(--accent-deep);
}

.empty, .error {
  height: 100%;
  min-height: 28rem;
  display: grid;
  place-content: center;
  text-align: center;
  gap: 0.6rem;
  padding: 1rem;
}

.empty h2,
.error h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.8rem;
}

.empty p,
.error p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 34ch;
  line-height: 1.5;
  justify-self: center;
}

.error {
  color: var(--bad);
}

.result {
  display: grid;
  gap: 1.4rem;
}

.hidden {
  display: none !important;
}

.answer-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  flex-wrap: wrap;
}

.answer-head h2,
.sources-block h3 {
  margin: 0;
  font-family: var(--font-display);
}

.answer-meta,
.sources-note {
  margin: 0.35rem 0 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.answer-body {
  margin-top: 0.9rem;
  padding: 1.1rem 1.15rem;
  border-radius: 16px;
  background: rgba(15, 118, 110, 0.06);
  border: 1px solid rgba(15, 118, 110, 0.14);
  white-space: pre-wrap;
  line-height: 1.6;
  font-size: 1.02rem;
  animation: fadeIn 0.4s ease both;
}

.sources {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.9rem;
}

.source {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  background: rgba(255, 255, 255, 0.6);
  animation: fadeIn 0.45s ease both;
}

.source:nth-child(2) { animation-delay: 0.05s; }
.source:nth-child(3) { animation-delay: 0.1s; }
.source:nth-child(4) { animation-delay: 0.15s; }
.source:nth-child(5) { animation-delay: 0.2s; }

.source-top {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: baseline;
}

.source a {
  color: var(--accent-deep);
  font-weight: 600;
  text-decoration: none;
  word-break: break-all;
}

.source a:hover {
  text-decoration: underline;
}

.score {
  flex-shrink: 0;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--warm);
}

.source-heading {
  margin: 0.35rem 0 0.45rem;
  font-size: 0.92rem;
  color: var(--ink);
}

.source-excerpt {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.45;
}

.foot {
  position: relative;
  z-index: 1;
  padding: 0.5rem clamp(1.25rem, 4vw, 3rem) 1.5rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@media (max-width: 960px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .ingest-row {
    grid-template-columns: 1fr;
  }

  .result-panel {
    min-height: auto;
  }

  .empty, .error {
    min-height: 16rem;
  }

  h1 {
    max-width: none;
  }
}