*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0e0e0f;
  --bg2: #161618;
  --bg3: #1e1e21;
  --border: rgba(255,255,255,0.08);
  --border-hi: rgba(255,255,255,0.18);
  --text: #f0ede8;
  --text2: #b8b4ae;
  --text3: #7a7874;
  --accent: #c8b89a;
  --accent2: #e8d5bb;
  --green: #4ade80;
  --yellow: #facc15;
  --red: #f87171;
  --radius: 12px;
  --radius-lg: 20px;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

#app {
  min-height: 100vh;
  position: relative;
}

/* ─── Screens ─────────────────────────────────────────────────── */
.screen {
  display: none;
  min-height: 100vh;
  animation: fadeIn .3s ease;
}
.screen.active { display: flex; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Landing ─────────────────────────────────────────────────── */
#screen-landing {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  gap: 0;
  position: relative;
  overflow: hidden;
}

#screen-landing::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 70% 40%, rgba(200,184,154,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.landing-inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  width: 100%;
}

.logo {
  font-family: 'DM Serif Display', serif;
  font-size: 22px;
  color: var(--accent);
  margin-bottom: 2.5rem;
  letter-spacing: -0.5px;
}

.dot { color: var(--text3); }

.landing-inner h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2.2rem, 6vw, 3.2rem);
  line-height: 1.1;
  font-weight: 400;
  margin-bottom: 1.25rem;
  letter-spacing: -1px;
}

.landing-inner h1 em {
  font-style: italic;
  color: var(--accent);
}

.sub {
  font-size: 15px;
  color: var(--text2);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.sub-note {
  font-size: 13px;
  color: var(--text3);
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.or-divider {
  text-align: center;
  color: var(--text3);
  font-size: 13px;
  margin: 1.25rem 0;
  position: relative;
}

.or-divider::before, .or-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: calc(50% - 24px);
  height: 1px;
  background: var(--border);
}
.or-divider::before { left: 0; }
.or-divider::after  { right: 0; }

.check-compat {
  display: flex;
  gap: 8px;
}

.check-compat input {
  flex: 1;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 11px 14px;
  color: var(--text);
  font-size: 14px;
  font-family: 'DM Sans', sans-serif;
  outline: none;
  transition: border-color .2s;
}
.check-compat input:focus { border-color: var(--border-hi); }
.check-compat input::placeholder { color: var(--text3); }

.landing-visual {
  position: absolute;
  right: 6%;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 12px;
  opacity: 0.5;
}

@media (max-width: 800px) {
  .landing-visual { display: none; }
}

.float-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 18px;
  min-width: 160px;
}

.fc1 { transform: translateX(12px); }
.fc2 { transform: translateX(-4px); }
.fc3 { transform: translateX(8px); }

.fc-score {
  font-family: 'DM Serif Display', serif;
  font-size: 28px;
  color: var(--accent2);
}

.fc-label {
  font-size: 12px;
  color: var(--text3);
  margin-top: 2px;
}

/* ─── Buttons ─────────────────────────────────────────────────── */
.btn-primary {
  background: var(--accent);
  color: #0e0e0f;
  border: none;
  border-radius: var(--radius);
  padding: 12px 24px;
  font-size: 15px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s, transform .1s;
}
.btn-primary:hover  { background: var(--accent2); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.35; cursor: default; }

.btn-secondary {
  background: transparent;
  color: var(--text2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 11px 18px;
  font-size: 14px;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  transition: border-color .15s, color .15s;
  white-space: nowrap;
}
.btn-secondary:hover { border-color: var(--border-hi); color: var(--text); }

.btn-outline {
  background: transparent;
  color: var(--text2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 24px;
  font-size: 15px;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  transition: border-color .15s, color .15s;
}
.btn-outline:hover { border-color: var(--border-hi); color: var(--text); }

.btn-back {
  background: transparent;
  border: none;
  color: var(--text3);
  font-size: 20px;
  cursor: pointer;
  padding: 4px 8px;
  transition: color .15s;
  flex-shrink: 0;
}
.btn-back:hover { color: var(--text); }

.btn-back-abs {
  background: transparent;
  border: none;
  color: var(--text3);
  font-size: 14px;
  cursor: pointer;
  padding: 0;
  margin-bottom: 2rem;
  transition: color .15s;
  display: inline-block;
}
.btn-back-abs:hover { color: var(--text); }

/* ─── Quiz ─────────────────────────────────────────────────────── */
#screen-quiz {
  flex-direction: column;
  padding: 0;
}

.quiz-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.progress-wrap { flex: 1; }

.progress-bar {
  height: 2px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width .4s ease;
  width: 0%;
}

.progress-label {
  font-size: 12px;
  color: var(--text3);
  margin-top: 6px;
  text-align: right;
}

.quiz-body {
  flex: 1;
  padding: 2.5rem 1.5rem;
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
}

.q-section {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 1rem;
  font-weight: 500;
}

.q-text {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(1.3rem, 3.5vw, 1.7rem);
  line-height: 1.35;
  margin-bottom: 2rem;
  font-weight: 400;
}

.q-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.opt-btn {
  text-align: left;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  color: var(--text2);
  font-size: 14px;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  line-height: 1.5;
  transition: border-color .15s, color .15s, background .15s;
}
.opt-btn:hover { border-color: var(--border-hi); color: var(--text); }
.opt-btn.selected {
  border-color: var(--accent);
  color: var(--text);
  background: rgba(200,184,154,0.06);
}

.quiz-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
}

/* ─── Gate ─────────────────────────────────────────────────────── */
#screen-gate {
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
}

.gate-inner {
  max-width: 420px;
  text-align: center;
}

.gate-icon {
  font-size: 32px;
  color: var(--accent);
  margin-bottom: 1.25rem;
  font-weight: 300;
}

.gate-inner h2 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.8rem;
  font-weight: 400;
  margin-bottom: .75rem;
}

.gate-inner p {
  font-size: 14px;
  color: var(--text2);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.gate-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* ─── Profile ──────────────────────────────────────────────────── */
#screen-profile {
  flex-direction: column;
  align-items: center;
  padding: 3rem 1.5rem;
}

.profile-inner {
  max-width: 640px;
  width: 100%;
}

.profile-header { margin-bottom: 2rem; }

.logo-sm {
  font-family: 'DM Serif Display', serif;
  font-size: 18px;
  color: var(--accent);
  margin-bottom: 1rem;
}

.profile-header h2 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.6rem;
  font-weight: 400;
  margin-bottom: .5rem;
}

.profile-header p {
  font-size: 14px;
  color: var(--text2);
}

.code-display {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 2rem;
}

.code-value {
  flex: 1;
  font-family: 'DM Mono', 'Courier New', monospace;
  font-size: 13px;
  color: var(--accent2);
  word-break: break-all;
  line-height: 1.4;
}

.btn-copy {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text3);
  font-size: 13px;
  padding: 6px 14px;
  cursor: pointer;
  white-space: nowrap;
  font-family: 'DM Sans', sans-serif;
  transition: border-color .15s, color .15s;
  flex-shrink: 0;
}
.btn-copy:hover { border-color: var(--border-hi); color: var(--text); }

.profile-dims {
  margin-bottom: 2rem;
}

.fit-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 2.5rem;
}

.fit-block {
  padding: 16px 18px;
  border-radius: var(--radius);
  border-left: 2px solid;
}

.fit-best {
  border-color: var(--accent);
  background: rgba(200,184,154,0.06);
}

.fit-worst {
  border-color: rgba(200,184,154,0.35);
  background: rgba(200,184,154,0.03);
}

.fit-heading {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text3);
  margin-bottom: 10px;
}

.fit-list {
  margin: 0;
  padding-left: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.fit-list li {
  font-size: 13px;
  color: var(--text);
  line-height: 1.5;
}

.pdim-row {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 14px;
}

.pdim-label {
  font-size: 12px;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pdim-track {
  position: relative;
  width: 100%;
  height: 3px;
  background: var(--border-hi);
  border-radius: 2px;
}

.pdim-tick {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 2px;
  height: 10px;
  background: var(--accent);
  border-radius: 1px;
}

.pdim-poles {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text2);
}

.pcat-boxes {
  display: flex;
  gap: 4px;
  width: 100%;
  padding-bottom: 18px;
}

.pcat-box {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: var(--border-hi);
  position: relative;
}

.pcat-box.pcat-active {
  background: var(--accent);
  opacity: 0.7;
}

.pcat-name {
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  color: var(--text);
  white-space: nowrap;
}

.profile-actions .check-compat input {
  background: var(--bg2);
}

.btn-retake {
  background: transparent;
  border: none;
  color: var(--text3);
  font-size: 13px;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  padding: 10px 0 0;
  transition: color .15s;
}
.btn-retake:hover { color: var(--text2); }

/* ─── Result ───────────────────────────────────────────────────── */
#screen-result {
  flex-direction: column;
  align-items: center;
  padding: 3rem 1.5rem;
}

.result-inner {
  max-width: 640px;
  width: 100%;
}

.result-score-wrap {
  position: relative;
  width: 140px;
  height: 140px;
  margin: 0 auto 2.5rem;
}

.ring-svg {
  width: 140px;
  height: 140px;
  transform: rotate(-90deg);
}

.ring-bg {
  fill: none;
  stroke: var(--border);
  stroke-width: 6;
}

.ring-fg {
  fill: none;
  stroke: var(--green);
  stroke-width: 6;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s ease, stroke .3s;
}

.result-score-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.result-pct {
  font-family: 'DM Serif Display', serif;
  font-size: 2rem;
  line-height: 1;
}

.result-lbl {
  font-size: 11px;
  color: var(--text3);
  margin-top: 4px;
  text-align: center;
}

.result-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}

.result-tab {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text3);
  font-size: 13px;
  font-family: 'DM Sans', sans-serif;
  padding: 8px 16px;
  cursor: pointer;
  margin-bottom: -1px;
  transition: color .15s, border-color .15s;
}

.result-tab:hover { color: var(--text2); }

.result-tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.result-dims {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 1.5rem;
}

.dim-card {
  padding: 12px 14px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}

.dim-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.rdim-label {
  font-size: 13px;
  color: var(--text);
}

.rdim-bar-bg {
  width: 100%;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin-bottom: 10px;
}

.rdim-bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width .8s ease;
}

.bar-hi  { background: var(--accent); opacity: 1; }
.bar-mid { background: var(--accent); opacity: 0.5; }
.bar-lo  { background: var(--accent); opacity: 0.25; }

.rdim-pct {
  font-size: 11px;
  color: var(--text3);
}

.dim-insight {
  font-size: 12px;
  color: var(--text);
  line-height: 1.6;
  padding-top: 6px;
  border-top: 1px solid var(--border);
}

.combo-header {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text3);
  margin-bottom: 4px;
}

.result-insights {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 1.5rem;
}

.insight {
  font-size: 13px;
  color: var(--text2);
  padding: 10px 14px;
  border-radius: var(--radius);
  line-height: 1.6;
  border-left: 2px solid;
}

.insight.strength {
  border-color: var(--accent);
  background: rgba(200,184,154,0.06);
}

.insight.diff {
  border-color: rgba(200,184,154,0.35);
  background: rgba(200,184,154,0.03);
}

/* ─── Footer ──────────────────────────────────────────────────── */
.app-footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  padding: 2rem 0 1.5rem;
}

.app-footer .footer-sep {
  color: var(--text3);
  font-size: 12px;
  pointer-events: none;
}

.footer-about {
  background: transparent;
  border: none;
  color: var(--text3);
  font-size: 12px;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  transition: color .15s;
}
.footer-about:hover { color: var(--text2); }

/* ─── About modal ─────────────────────────────────────────────── */
.about-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1.5rem;
}

.about-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 580px;
  width: 100%;
  position: relative;
}

.about-close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: transparent;
  border: none;
  color: var(--text3);
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
  transition: color .15s;
}
.about-close:hover { color: var(--text); }

.about-logo {
  font-family: 'DM Serif Display', serif;
  font-size: 18px;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.about-text {
  font-size: 15px;
  color: var(--text2);
  line-height: 1.75;
  margin-bottom: 1rem;
}
.about-text:last-child { margin-bottom: 0; }

.about-small {
  font-size: 13px;
  color: var(--text3);
}

.tab-empty {
  font-size: 13px;
  color: var(--text3);
  text-align: center;
  padding: 2rem 0;
  line-height: 1.7;
}

/* ─── Mobile ───────────────────────────────────────────────────── */
@media (max-width: 600px) {
  /* Landing */
  #screen-landing {
    padding: 2.5rem 1.25rem;
    justify-content: flex-start;
    padding-top: 3.5rem;
  }

  /* Quiz */
  .quiz-body {
    padding: 1.75rem 1.25rem;
  }

  .quiz-footer {
    max-width: 100%;
    padding: 1rem 1.25rem;
  }

  .quiz-footer .btn-primary {
    width: 100%;
  }

  /* Bigger back button touch target */
  .btn-back {
    padding: 8px 12px;
    font-size: 22px;
  }

  /* Gate */
  .gate-btns {
    flex-direction: column;
  }

  /* Profile */
  #screen-profile {
    padding: 2rem 1.25rem;
  }

  .check-compat {
    flex-direction: column;
  }

  .check-compat .btn-primary,
  .check-compat .btn-secondary {
    width: 100%;
    text-align: center;
  }

  /* Bigger copy button touch target */
  .btn-copy {
    padding: 10px 16px;
  }

  /* Result */
  #screen-result {
    padding: 2rem 1.25rem;
  }

  /* About modal */
  .about-box {
    max-height: 85vh;
    overflow-y: auto;
    padding: 1.5rem;
  }

  .about-close {
    padding: 8px;
    top: 8px;
    right: 8px;
  }
}

.privacy-box {
  max-width: 460px;
}

.privacy-intro {
  font-size: 13px;
  color: var(--text3);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

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

.privacy-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  color: var(--text);
  line-height: 1.6;
}

.privacy-list li:last-child {
  border-bottom: none;
}

.privacy-icon {
  color: var(--accent);
  font-size: 16px;
  line-height: 1.5;
  flex-shrink: 0;
}

.privacy-sub {
  display: block;
  font-size: 12px;
  color: var(--text3);
  margin-top: 2px;
  line-height: 1.5;
}