/* Kmra AI — camera viewfinder theme. Dark = full viewfinder, light = bright
   adaptation of the same design language. Follows the OS setting via
   prefers-color-scheme. No build step, vanilla CSS. */
:root {
  color-scheme: dark;
  --bg: #07090d;
  --bg2: #0d1117;
  --card: #10151d;
  --line: #232c3a;
  --vf-line: #3a465a;
  --text: #eceff4;
  --muted: #8b94a7;
  --rec: #ff3b30;
  --rec-deep: #c81e1e;
  --good: #3ddc84;
  --ok: #ffc857;
  --low: #ff6b6b;
  --link: #6ea8ff;
  --radius: 14px;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  --shadow: none;
}
@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #eef0f4;
    --bg2: #e4e8ef;
    --card: #ffffff;
    --line: #dbe1ea;
    --vf-line: #9aa5b8;
    --text: #131720;
    --muted: #5d6678;
    --rec: #d92d20;
    --rec-deep: #b42318;
    --link: #2456c8;
    --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 10px 28px rgba(16, 24, 40, 0.08);
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 700px at 50% -10%, #121826 0%, var(--bg) 60%) fixed, var(--bg);
  color: var(--text);
  line-height: 1.6;
}
@media (prefers-color-scheme: light) {
  body { background: var(--bg); }
}
/* Subtle CRT scanlines — dark viewfinder only, kept whisper-quiet. */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.028) 0px,
    rgba(255, 255, 255, 0.028) 1px,
    transparent 1px,
    transparent 4px
  );
}
@media (prefers-color-scheme: light) {
  body::after { display: none; }
}
.wrap { max-width: 920px; margin: 0 auto; padding: 0 20px; }
a { color: var(--link); }
.hidden { display: none !important; }
.center { text-align: center; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }

/* ---- Nav / HUD bar ---- */
.nav { border-bottom: 1px solid var(--line); background: rgba(10, 13, 18, 0.72); backdrop-filter: blur(8px); }
@media (prefers-color-scheme: light) {
  .nav { background: rgba(255, 255, 255, 0.82); }
}
.nav-inner { display: flex; align-items: center; gap: 10px; padding-top: 14px; padding-bottom: 14px; }
.logo { font-weight: 800; font-size: 1.3rem; letter-spacing: 0.5px; text-decoration: none; color: var(--text); }
.logo::before { content: "◉ "; color: var(--rec); font-size: 1.05rem; }
.nav-tag { color: var(--muted); font-size: 0.9rem; }
.rec, .play {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--rec);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.play { color: var(--muted); }
.rec-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--rec);
  box-shadow: 0 0 8px var(--rec);
  animation: recblink 1.2s steps(2, start) infinite;
}
@keyframes recblink { to { visibility: hidden; } }
.play-tri {
  width: 0; height: 0;
  border-left: 10px solid var(--muted);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

/* ---- Hero ---- */
.hero { text-align: center; padding: 30px 20px 4px; }
.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 3px;
  color: var(--muted);
  text-transform: uppercase;
  margin: 0 0 14px;
}
.eyebrow .tick { color: var(--rec); }
.hero h1 { font-size: clamp(1.8rem, 4.5vw, 2.8rem); line-height: 1.15; margin: 0 0 12px; }
.hero .sub { color: var(--muted); font-size: 1.02rem; max-width: 620px; margin: 0 auto 16px; }
.flowline {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 2.5px;
  color: var(--muted);
  text-transform: uppercase;
  margin: 0 0 18px;
}
.flowline span { color: var(--rec); margin: 0 6px; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 40px; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; text-align: left; box-shadow: var(--shadow); }
.step-n {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--vf-line);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-weight: 700; font-size: 0.85rem;
  color: var(--muted); margin-bottom: 12px;
}
.step h3 { margin: 0 0 6px; font-size: 1.05rem; }
.step p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.section-title { font-size: 1.4rem; }

/* ---- Cards ---- */
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px; margin: 24px 0;
  box-shadow: var(--shadow);
}
.card h2 { margin-top: 0; }
.upload-card { text-align: center; }
.price-line { color: var(--muted); }
.price-line strong { color: var(--text); font-size: 1.4rem; }

/* ---- Viewfinder corner brackets ---- */
.vf { position: relative; padding: 20px; margin: 24px 0; }
.vf > .c { position: absolute; width: 30px; height: 30px; border: 0 solid var(--vf-line); pointer-events: none; }
.vf > .c.tl { top: 0; left: 0; border-top-width: 3px; border-left-width: 3px; border-top-left-radius: 6px; }
.vf > .c.tr { top: 0; right: 0; border-top-width: 3px; border-right-width: 3px; border-top-right-radius: 6px; }
.vf > .c.bl { bottom: 0; left: 0; border-bottom-width: 3px; border-left-width: 3px; border-bottom-left-radius: 6px; }
.vf > .c.br { bottom: 0; right: 0; border-bottom-width: 3px; border-right-width: 3px; border-bottom-right-radius: 6px; }
.vf .card { margin: 0; }
.vf-caption {
  position: absolute; bottom: 2px; left: 24px;
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 2px;
  color: var(--muted); text-transform: uppercase;
}

.notice {
  background: rgba(255, 200, 87, 0.08); border: 1px solid var(--ok); color: var(--text);
  border-radius: 10px; padding: 12px 16px; margin: 16px 0;
}
@media (prefers-color-scheme: light) {
  .notice { background: #fff8e8; }
}

/* ---- Drop zone ---- */
.drop {
  position: relative;
  overflow: hidden;
  display: block; border: 2px dashed var(--line); border-radius: var(--radius);
  padding: 40px 20px; margin: 20px 0; cursor: pointer; transition: border-color 0.2s, background 0.2s;
}
/* The real file input sits invisibly over the whole drop zone so taps hit it
   directly — the reliable pattern for iOS, which ignores label-triggered picks. */
.drop .file-input {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0; cursor: pointer; font-size: 16px;
}
.drop:hover, .drop.over { border-color: var(--rec); background: rgba(255, 59, 48, 0.05); }
.drop-icon { font-size: 2rem; display: block; margin-bottom: 8px; color: var(--muted); }
.drop:hover .drop-icon, .drop.over .drop-icon { color: var(--rec); }
.drop-hint { display: block; color: var(--muted); font-size: 0.9rem; margin-top: 6px; }
.drop-hint .mono { font-size: 0.82rem; }

/* ---- Buttons ---- */
.btn {
  background: linear-gradient(135deg, var(--rec), var(--rec-deep));
  color: #fff; border: none; border-radius: 10px; padding: 14px 28px;
  font-size: 1.05rem; font-weight: 700; cursor: pointer; transition: transform 0.1s, opacity 0.2s;
}
.btn:hover:not(:disabled) { transform: translateY(-1px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* ---- HUD readouts (tier / price) ---- */
.tier-result {
  font-family: var(--mono);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 6px 18px;
  margin: 20px 0;
  background: var(--bg2);
  text-align: left;
}
.tier-result-row {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--line);
}
.tier-result-row:last-child { border-bottom: none; }
.tier-result-row span {
  font-size: 0.72rem; letter-spacing: 2px; text-transform: uppercase; color: var(--muted);
}
.tier-result-row strong { font-variant-numeric: tabular-nums; font-size: 1rem; }
.tier-result-row.total strong { color: var(--rec); font-size: 1.25rem; }

.promo-row { display: flex; gap: 8px; align-items: center; justify-content: center; margin-top: 12px; }
.promo-row input {
  padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 14px; width: 200px; background: var(--bg2); color: var(--text);
  font-family: var(--mono);
}

.code-box {
  margin: 14px 0 4px; padding: 12px 14px; border: 1px dashed var(--line);
  border-radius: 10px; background: var(--bg2); text-align: center;
}
.code-label { display: block; font-size: 0.72rem; letter-spacing: 1.5px; text-transform: uppercase; color: var(--muted); }
.code-value { display: block; font-size: 1.6rem; letter-spacing: 3px; margin: 4px 0; color: var(--text); }
.code-hint { display: block; font-size: 0.82rem; color: var(--muted); }

.lookup-row { display: flex; gap: 8px; align-items: center; justify-content: center; margin-top: 16px; flex-wrap: wrap; }
.lookup-label { font-size: 0.85rem; color: var(--muted); }
.lookup-row input {
  padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 14px; width: 130px; background: var(--bg2); color: var(--text);
  font-family: var(--mono); text-transform: uppercase; text-align: center; letter-spacing: 2px;
}
.promo-row input::placeholder { color: var(--muted); font-family: inherit; }
.link-btn {
  background: none; border: none; color: var(--muted); cursor: pointer;
  font-size: 14px; text-decoration: underline; padding: 4px 2px;
}
.link-btn:hover { color: var(--text); }
.link-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.status { min-height: 1.6em; color: var(--muted); margin-top: 14px; font-family: var(--mono); font-size: 0.9rem; }
.status.error { color: var(--low); }
/* Upload progress — camera REC red */
.uprog { margin: 14px 2px 0; }
.uprog-track { height: 10px; background: var(--bg2); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.uprog-fill { height: 100%; width: 0%; background: var(--rec); border-radius: 6px; box-shadow: 0 0 8px var(--rec); transition: width 0.2s; }
.uprog-text { margin-top: 6px; font-size: 0.85rem; color: var(--muted); text-align: center; }
.privacy-note {
  margin: 12px 2px 0;
  font-size: 0.82rem;
  color: var(--muted);
  text-align: center;
}

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 8px 0 48px; }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.feature h3 { margin: 0 0 6px; font-size: 1rem; }
.feature h3 .f-dot { color: var(--rec); font-family: var(--mono); margin-right: 6px; }
.feature p { margin: 0; color: var(--muted); font-size: 0.92rem; }

.footer { color: var(--muted); font-size: 0.85rem; text-align: center; padding: 24px 20px 40px; }
.footer .mono { font-size: 0.78rem; letter-spacing: 1px; }

/* ---- Results page ---- */
.spinner {
  width: 44px; height: 44px; margin: 10px auto 16px;
  border: 4px solid var(--line); border-top-color: var(--rec);
  border-radius: 50%; animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.overall { display: flex; gap: 24px; align-items: center; }
.overall-num {
  font-size: 3.4rem; font-weight: 800; line-height: 1;
  color: var(--text);
  min-width: 110px; text-align: center;
  font-variant-numeric: tabular-nums;
  border: 1px solid var(--vf-line); border-radius: 12px; padding: 10px 6px;
}
.overall-num span { font-size: 1.2rem; color: var(--muted); }

.score-row { display: flex; align-items: center; gap: 12px; margin: 12px 0; }
.score-label { width: 130px; flex-shrink: 0; font-size: 0.95rem; }
.score-track { flex: 1; height: 10px; background: var(--bg2); border-radius: 6px; overflow: hidden; }
.score-fill { height: 100%; border-radius: 6px; }
.score-fill.good { background: var(--good); }
.score-fill.ok { background: var(--ok); }
.score-fill.low { background: var(--low); }
.score-num { width: 52px; text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; font-family: var(--mono); }

.items { list-style: none; padding: 0; margin: 0; }
.items li { padding: 10px 0; border-bottom: 1px solid var(--line); }
.items li:last-child { border-bottom: none; }
.pill {
  display: inline-block; background: var(--bg2); border: 1px solid var(--line);
  border-radius: 20px; padding: 2px 12px; font-size: 0.8rem; color: var(--link);
  font-family: var(--mono);
  font-variant-numeric: tabular-nums; margin-right: 8px; white-space: nowrap;
}

.fix { border-left: 3px solid var(--ok); padding: 4px 0 4px 16px; margin: 18px 0; }
.fix.prio { border-left-color: var(--rec); }
.quote {
  display: block;
  color: var(--muted);
  font-style: italic;
  font-size: 0.92rem;
  margin: 6px 0 2px;
  padding-left: 12px;
  border-left: 2px solid var(--line);
}
p.quote { margin: 8px 0; }
.fix-head { margin-bottom: 6px; }
.fix p { margin: 6px 0; }
.fix .example { color: var(--muted); font-size: 0.95rem; }

.metrics { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 12px; }
.metric { background: var(--bg2); border: 1px solid var(--line); border-radius: 10px; padding: 16px 24px; text-align: center; }
.metric-v { font-size: 1.8rem; font-weight: 800; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.metric-l { color: var(--muted); font-size: 0.85rem; }

.qa { border-bottom: 1px solid var(--line); padding: 16px 0; }
.qa:last-child { border-bottom: none; }
.qa-q { margin-bottom: 8px; }
.qnum {
  display: inline-flex; width: 26px; height: 26px; border-radius: 50%;
  background: var(--bg2); border: 1px solid var(--line);
  align-items: center; justify-content: center; font-size: 0.8rem; font-weight: 700; margin-right: 8px;
  font-family: var(--mono);
}
.qtype {
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--muted); border: 1px solid var(--line); border-radius: 12px;
  padding: 1px 10px; margin-left: 8px; white-space: nowrap;
  font-family: var(--mono);
}
.talking { margin: 8px 0 0 34px; padding: 0; color: var(--muted); }
.talking li { margin: 6px 0; }

/* ---- Landing page: single composed screen; scrolls naturally if content overflows ---- */
body.landing {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
body.landing .nav-inner { padding-top: 10px; padding-bottom: 10px; }
.landing-main {
  flex: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 6px;
  padding-bottom: 6px;
}
.landing .intro { text-align: center; margin: 0 0 12px; }
.landing .intro h1 {
  font-size: clamp(1.45rem, 3.6vw, 2.1rem);
  line-height: 1.2;
  margin: 0 0 8px;
}
.landing .intro .sub {
  color: var(--muted);
  font-size: 0.97rem;
  max-width: 640px;
  margin: 0 auto;
}
.landing .vf { margin: 0 auto; width: 100%; max-width: 620px; padding: 16px; }
.landing .card { padding: 20px 22px; }
.landing .drop { padding: 24px 16px; margin: 4px 0 14px; }
.landing .drop-icon { font-size: 1.6rem; margin-bottom: 6px; }
.landing .tier-line {
  text-align: center;
  color: var(--muted);
  font-size: 0.86rem;
  font-family: var(--mono);
  margin: 12px 0 0;
}
.landing .tier-line strong { color: var(--text); }
.landing .tier-line .tsep { color: var(--vf-line); margin: 0 4px; }
.landing-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.78rem;
  padding: 8px 20px 12px;
}
.landing-footer p { margin: 0; }
.landing-footer .copy, .footer .copy { margin-top: 4px; font-size: 0.75rem; }

@media (max-width: 640px) {
  .steps, .features { grid-template-columns: 1fr; }
  .overall { flex-direction: column; text-align: center; gap: 8px; }
  .score-label { width: 96px; font-size: 0.85rem; }
  .card { padding: 20px; }
  .vf { padding: 14px; }
  .nav-tag { display: none; }
}

/* ---- Follow-up chat ---- */
.chat-log {
  display: flex; flex-direction: column; gap: 10px;
  max-height: 340px; overflow-y: auto;
  margin: 14px 0; padding: 2px;
}
.chat-msg {
  max-width: 88%; padding: 10px 14px; border-radius: 14px;
  line-height: 1.5; font-size: 0.95rem;
  white-space: pre-wrap; word-wrap: break-word;
}
.chat-msg.user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--rec), var(--rec-deep));
  color: #fff; border-bottom-right-radius: 4px;
}
.chat-msg.assistant {
  align-self: flex-start;
  background: var(--bg2); border: 1px solid var(--line);
  border-bottom-left-radius: 4px;
}
.chat-msg.typing { opacity: 0.55; }
.chat-input-row { display: flex; gap: 10px; }
.chat-input-row input {
  flex: 1; min-width: 0;
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px;
  font-size: 15px; background: var(--bg2); color: var(--text);
}
.chat-input-row input::placeholder { color: var(--muted); }
.chat-input-row input:disabled { opacity: 0.5; }
.chat-input-row .btn { white-space: nowrap; }

/* ---- Practice mode ---- */
.or-divider { display: flex; align-items: center; gap: 12px; margin: 20px 0 14px; color: var(--muted); font-size: 0.9rem; }
.or-divider::before, .or-divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.btn-ghost { background: transparent; border: 1px solid var(--line); color: var(--text); box-shadow: none; }
.btn-ghost:hover:not(:disabled) { border-color: var(--vf-line); }
.modal { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.72); z-index: 50; display: flex; align-items: center; justify-content: center; padding: 16px; }
.modal-card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; max-width: 580px; width: 100%; padding: 20px; max-height: 92vh; overflow-y: auto; }
.modal-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.modal-head h2 { margin: 0; font-size: 1.25rem; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.practice-video-wrap { position: relative; margin: 12px 0; background: #000; border-radius: 10px; overflow: hidden; min-height: 180px; }
.practice-video-wrap video { width: 100%; max-height: 52vh; display: block; }
.practice-timer { position: absolute; top: 10px; right: 12px; font-size: 1.5rem; font-weight: 700; color: #fff; text-shadow: 0 1px 4px rgba(0,0,0,.85); }
.practice-rec { position: absolute; top: 12px; left: 12px; color: #fff; font-weight: 700; font-size: 0.85rem; display: flex; align-items: center; gap: 6px; text-shadow: 0 1px 4px rgba(0,0,0,.85); }
.practice-controls { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.prompt-label { display: block; font-weight: 600; margin: 12px 0 6px; font-size: 0.95rem; }
.prompt-select { width: 100%; padding: 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg2); color: var(--text); font-size: 0.95rem; }
.prompt-banner { margin: 12px 0 0; padding: 10px 14px; border-left: 3px solid var(--rec); background: var(--bg2); border-radius: 0 8px 8px 0; font-size: 1.05rem; font-weight: 600; }
.length-pills { display: flex; gap: 10px; flex-wrap: wrap; margin: 6px 0 4px; }
.length-pill { display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; cursor: pointer; font-size: 0.95rem; }
.length-pill input { accent-color: var(--rec); }
.length-pill:has(input:checked) { border-color: var(--rec); background: var(--bg2); }