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

:root {
  --black: #0a0a0a;
  --white: #f5f5f0;
  --gray-1: #1a1a1a;
  --gray-2: #2a2a2a;
  --gray-3: #555;
  --gray-4: #999;
  --gray-5: #ccc;
  --serif: 'Bebas Neue', sans-serif;
  --mono: 'Space Mono', monospace;
}

html, body {
  height: 100%;
  background: var(--white);
  color: var(--black);
  font-family: var(--mono);
  -webkit-font-smoothing: antialiased;
}

/* ── LAYOUT ── */
.shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

/* ── HEADER SECTION ── */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 40px;
  border-bottom: 2px solid var(--black);
}

.wordmark {
  display: flex;
  align-items: center;
  line-height: 1;
}

.wordmark-link {
  cursor: pointer;
  user-select: none;
}

.wordmark svg {
  display: block;
  height: 36px;
  width: auto;
}

.topbar-status {
  font-size: 0.7rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gray-3);
}

/* ── SCREENS ── */
.screen {
  display: none;
  animation: appear 0.4s ease both;
}
.screen.active { display: flex; }

@keyframes appear {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── START SCREEN ── */
#startScreen {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
  text-align: center;
  gap: 0;
}

.hero-number {
  font-family: var(--serif);
  font-size: clamp(140px, 25vw, 260px);
  line-height: 0.85;
  color: var(--black);
  letter-spacing: -4px;
  user-select: none;
  margin-bottom: 8px;
}

.hero-label {
  font-size: 0.7rem;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--gray-3);
  margin-bottom: 48px;
}

.divider {
  width: 40px;
  height: 2px;
  background: var(--black);
  margin: 0 auto 48px;
}

.rule-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 2px solid var(--black);
  max-width: 560px;
  width: 100%;
  margin-bottom: 56px;
}

.rule-item {
  padding: 28px 24px;
  border-right: 2px solid var(--black);
  text-align: left;
}
.rule-item:last-child { border-right: none; }

.rule-n {
  font-family: var(--serif);
  font-size: 2.8rem;
  line-height: 1;
  margin-bottom: 8px;
}

.rule-txt {
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gray-3);
  line-height: 1.5;
}

.how-list {
  max-width: 400px;
  width: 100%;
  text-align: left;
  margin-bottom: 56px;
}

.how-list-item {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--gray-5);
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  color: var(--gray-2);
  line-height: 1.6;
}
.how-list-item:first-child { border-top: 1px solid var(--gray-5); }

.how-n {
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--gray-4);
  flex-shrink: 0;
  line-height: 1.6;
}

/* ── ONBOARDING VIDEO SECTION ── */
.video-section {
  max-width: 560px;
  width: 100%;
  margin-bottom: 48px;
  text-align: left;
}

.video-label {
  font-size: 0.65rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--gray-4);
  margin-bottom: 14px;
}

.video-wrap {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  border: 2px solid var(--black);
  overflow: hidden;
}

.video-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.btn-start {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  background: var(--black);
  color: var(--white);
  border: none;
  padding: 20px 60px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  position: relative;
  overflow: hidden;
}

.btn-start::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--white);
  transform: translateX(-100%);
  transition: transform 0.35s ease;
}
.btn-start:hover::after { transform: translateX(0); }
.btn-start:hover { color: var(--black); border: 2px solid var(--black); }
.btn-start span { position: relative; z-index: 1; }

/* ── EXERCISE SCREEN ── */
#exerciseScreen {
  flex-direction: row;
  height: calc(100vh - 74px);
}

/* Left panel */
.panel-left {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border-right: 2px solid var(--black);
  padding: 40px;
  gap: 40px;
  position: relative;
}

/* Timer */
.timer-wrap {
  position: relative;
  width: min(280px, 38vw);
  aspect-ratio: 1;
  flex-shrink: 0;
}

.timer-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.t-bg {
  fill: none;
  stroke: var(--gray-5);
  stroke-width: 7;
}

.t-ring {
  fill: none;
  stroke: var(--black);
  stroke-width: 7;
  stroke-linecap: butt;
  transition: stroke-dashoffset 1s linear;
}

.timer-face {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.timer-digits {
  font-family: var(--serif);
  font-size: clamp(76px, 11vw, 120px);
  line-height: 1;
  letter-spacing: -2px;
}

.timer-sub {
  font-size: 0.6rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--gray-3);
  margin-top: 6px;
}

/* Round + prompt */
.round-meta {
  text-align: center;
}

.round-tag {
  font-size: 0.65rem;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--gray-4);
  margin-bottom: 10px;
}

.round-prompt {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: 1px;
  line-height: 1.05;
  max-width: 340px;
}

.prompt-hint {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--gray-2);
  letter-spacing: 0.2px;
  max-width: 320px;
  margin-top: 14px;
}

/* Overall progress */
.progress-wrap {
  width: 100%;
  max-width: 280px;
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.6rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gray-3);
  margin-bottom: 8px;
}

.progress-track {
  width: 100%;
  height: 4px;
  background: var(--gray-5);
  position: relative;
}

.progress-thumb {
  height: 100%;
  background: var(--black);
  transition: width 0.6s ease;
}

/* Controls */
.controls {
  display: flex;
  gap: 12px;
  align-items: center;
}

.ctrl-btn {
  width: 52px;
  height: 52px;
  border: 2px solid var(--black);
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-family: var(--mono);
  font-weight: 700;
  color: var(--black);
  transition: background 0.15s, color 0.15s;
  letter-spacing: 0;
  flex-shrink: 0;
}
.ctrl-btn:hover { background: var(--black); color: var(--white); }
.ctrl-btn.active-ctrl { background: var(--black); color: var(--white); }

.voice-label {
  font-size: 0.6rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gray-4);
}

/* Right panel — sketch tracker */
.panel-right {
  width: clamp(220px, 28vw, 340px);
  display: flex;
  flex-direction: column;
  padding: 32px;
  gap: 0;
  overflow: hidden;
}

.panel-right-label {
  font-size: 0.6rem;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--gray-4);
  margin-bottom: 24px;
}

.sketch-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  flex: 1;
}

.sketch-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-5);
  transition: opacity 0.3s;
}
.sketch-row:first-child { border-top: 1px solid var(--gray-5); }

.sketch-row.done { opacity: 0.4; }

.sketch-row.current { opacity: 1; }
.sketch-row.current .sketch-row-n { color: var(--black); }
.sketch-row.current .sketch-row-bar { background: var(--black); }

.sketch-row.pending { opacity: 0.25; }

.sketch-row-n {
  font-family: var(--serif);
  font-size: 1.6rem;
  line-height: 1;
  width: 36px;
  flex-shrink: 0;
  color: var(--gray-3);
}

.sketch-row-info {
  flex: 1;
}

.sketch-row-label {
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.sketch-row-bar {
  height: 2px;
  background: var(--gray-5);
  width: 100%;
  position: relative;
  overflow: hidden;
}

.sketch-row-fill {
  position: absolute;
  left: 0; top: 0; height: 100%;
  background: var(--gray-3);
  width: 0%;
  transition: width 1s linear;
}

.sketch-row-check {
  font-size: 0.8rem;
  color: var(--black);
  font-weight: 700;
  opacity: 0;
  transition: opacity 0.3s;
}
.sketch-row.done .sketch-row-check { opacity: 1; }

/* ── COMPLETION SCREEN ── */
#completionScreen {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
  text-align: center;
  gap: 0;
}

.done-tag {
  font-size: 0.65rem;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--gray-4);
  margin-bottom: 20px;
}

.done-title {
  font-family: var(--serif);
  font-size: clamp(80px, 14vw, 160px);
  line-height: 0.9;
  letter-spacing: -2px;
  margin-bottom: 32px;
}

.done-divider {
  width: 40px;
  height: 2px;
  background: var(--black);
  margin: 0 auto 32px;
}

.done-message {
  font-size: 0.8rem;
  color: var(--gray-3);
  line-height: 2;
  letter-spacing: 0.5px;
  max-width: 380px;
  margin-bottom: 48px;
}

.done-stats {
  display: flex;
  border: 2px solid var(--black);
  margin-bottom: 56px;
}

.done-stat {
  padding: 24px 40px;
  border-right: 2px solid var(--black);
  text-align: left;
}
.done-stat:last-child { border-right: none; }

.done-stat-n {
  font-family: var(--serif);
  font-size: 3rem;
  line-height: 1;
  margin-bottom: 6px;
}

.done-stat-l {
  font-size: 0.6rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gray-3);
}

.btn-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-ghost {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  background: transparent;
  color: var(--black);
  border: 2px solid var(--black);
  padding: 14px 32px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.btn-ghost:hover { background: var(--black); color: var(--white); }

/* ── CONVERGENCE STAGE ── */
.reflection-section {
  max-width: 420px;
  width: 100%;
  margin-bottom: 48px;
  text-align: left;
}

.reflection-intro {
  font-size: 0.7rem;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--gray-4);
  margin-bottom: 20px;
}

.reflection-list {
  list-style: none;
}

.reflection-q {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  line-height: 1.15;
  letter-spacing: 1px;
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-5);
  color: var(--black);
}

.reflection-q:first-child {
  border-top: 1px solid var(--gray-5);
}

/* ── TOPBAR NAV ── */
.topbar-nav {
  display: flex;
  gap: 24px;
  align-items: center;
}

.topbar-nav-link {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gray-3);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 0;
  transition: color 0.15s;
  white-space: nowrap;
}

.topbar-nav-link:hover { color: var(--black); }

/* ── SHARED CONTENT PAGE ── */
#whyScreen,
#contactScreen,
#privacyScreen {
  flex-direction: column;
  align-items: center;
  padding: 60px 40px;
  text-align: center;
}

.page-hero {
  max-width: 640px;
  width: 100%;
}

.page-eyebrow {
  font-size: 0.6rem;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--gray-4);
  margin-bottom: 20px;
}

.page-big-title {
  font-family: var(--serif);
  font-size: clamp(72px, 12vw, 140px);
  line-height: 0.9;
  letter-spacing: -2px;
  margin-bottom: 32px;
}

.page-intro {
  font-size: 0.8rem;
  color: var(--gray-2);
  line-height: 1.9;
  letter-spacing: 0.3px;
  max-width: 520px;
  margin: 0 auto 56px;
}

.page-back {
  margin: 48px 0 64px;
}

/* ── WHY SCREEN ── */
.why-blocks {
  max-width: 640px;
  width: 100%;
  text-align: left;
}

.why-block {
  padding: 48px 0;
  border-top: 2px solid var(--black);
}

.why-block:last-child { border-bottom: 2px solid var(--black); }

.why-block-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 12px;
}

.why-block-n {
  font-family: var(--serif);
  font-size: 1.8rem;
  line-height: 1;
  color: var(--gray-4);
}

.why-block-tag {
  font-size: 0.6rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--gray-4);
}

.why-block-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3.2rem);
  letter-spacing: 1px;
  line-height: 1;
  margin-bottom: 24px;
}

.why-block-text {
  font-size: 0.78rem;
  line-height: 1.95;
  color: var(--gray-2);
  letter-spacing: 0.3px;
  margin-bottom: 16px;
}

.why-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 2px solid var(--black);
  margin-top: 32px;
}

.why-stat {
  padding: 20px 18px;
  border-right: 2px solid var(--black);
  text-align: left;
}

.why-stat:last-child { border-right: none; }

.why-stat-n {
  font-family: var(--serif);
  font-size: 2.2rem;
  line-height: 1;
  margin-bottom: 6px;
}

.why-stat-l {
  font-size: 0.58rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gray-3);
  line-height: 1.5;
}

.why-list {
  list-style: none;
  margin-bottom: 20px;
}

.why-list-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--gray-5);
}

.why-list-item:first-child { border-top: 1px solid var(--gray-5); }

.why-list-q {
  display: block;
  font-family: var(--serif);
  font-size: 1.5rem;
  letter-spacing: 0.5px;
  color: var(--black);
  margin-bottom: 5px;
}

.why-list-a {
  font-size: 0.72rem;
  letter-spacing: 0.3px;
  color: var(--gray-3);
  line-height: 1.7;
}

.why-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 2px solid var(--black);
  margin-top: 32px;
}

.why-pillar {
  padding: 24px;
  border-right: 2px solid var(--black);
  border-bottom: 2px solid var(--black);
}

.why-pillar:nth-child(even)  { border-right: none; }
.why-pillar:nth-child(3),
.why-pillar:nth-child(4)     { border-bottom: none; }

.why-pillar-title {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: 12px;
}

.why-pillar-text {
  font-size: 0.72rem;
  line-height: 1.85;
  color: var(--gray-2);
  letter-spacing: 0.2px;
}

/* ── CONTACT SCREEN ── */
.contact-items {
  max-width: 640px;
  width: 100%;
  border: 2px solid var(--black);
  margin-bottom: 0;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 32px;
  border-bottom: 2px solid var(--black);
  text-decoration: none;
  color: var(--black);
  transition: background 0.15s, color 0.15s;
  text-align: left;
}

.contact-item:last-child { border-bottom: none; }
.contact-item:hover { background: var(--black); color: var(--white); }

.contact-item-label {
  font-size: 0.55rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--gray-4);
  width: 56px;
  flex-shrink: 0;
  transition: color 0.15s;
}

.contact-item:hover .contact-item-label { color: var(--gray-5); }

.contact-item-value {
  flex: 1;
  font-size: 0.75rem;
  letter-spacing: 1px;
}

.contact-item-arrow {
  font-size: 1rem;
  color: var(--gray-3);
  transition: color 0.15s;
}

.contact-item:hover .contact-item-arrow { color: var(--white); }

.contact-about {
  max-width: 640px;
  width: 100%;
  text-align: left;
  padding: 40px 0;
  border-top: 2px solid var(--black);
  margin-top: 40px;
}

.contact-about-label {
  font-size: 0.6rem;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--gray-4);
  margin-bottom: 20px;
}

.contact-about-text {
  font-size: 0.78rem;
  line-height: 1.95;
  color: var(--gray-2);
  letter-spacing: 0.3px;
  margin-bottom: 16px;
}

.contact-about-text:last-child { margin-bottom: 0; }

/* ── FEEDBACK FORM ── */
.feedback-form {
  max-width: 640px;
  width: 100%;
  text-align: left;
  margin-bottom: 0;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 0.55rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--gray-4);
  margin-bottom: 8px;
}

.form-input,
.form-textarea {
  display: block;
  width: 100%;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.3px;
  color: var(--black);
  background: transparent;
  border: 2px solid var(--black);
  padding: 14px 16px;
  outline: none;
  transition: border-color 0.15s;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--gray-4);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--gray-3);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.7;
}

.feedback-form .btn-start {
  margin-top: 8px;
}

/* ── FOOTER SECTION ── */
.bottombar {
  border-top: 2px solid var(--black);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 40px;
}

.bottombar-note {
  font-size: 0.6rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gray-4);
}

.footer-privacy-link {
  font-family: var(--mono);
  font-size: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: color 0.15s;
}

.footer-privacy-link:hover { color: var(--black); }

.voice-status {
  font-size: 0.6rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gray-4);
  display: flex;
  align-items: center;
  gap: 8px;
}

.voice-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gray-4);
  transition: background 0.3s;
}
.voice-dot.speaking {
  background: var(--black);
  animation: blink 0.5s ease infinite alternate;
}

@keyframes blink {
  from { opacity: 1; }
  to   { opacity: 0.2; }
}

/* ── RESPONSIVE ── */
@media (max-width: 680px) {
  .topbar { padding: 18px 20px; }
  .wordmark svg { height: 28px; }
  .topbar-nav { gap: 14px; }
  .topbar-nav-link { font-size: 0.55rem; letter-spacing: 2px; }

  #whyScreen, #contactScreen, #privacyScreen { padding: 40px 20px; }
  .page-big-title { font-size: clamp(60px, 18vw, 110px); }
  .page-intro { font-size: 0.82rem; }

  .why-block { padding: 36px 0; }
  .why-stats { grid-template-columns: 1fr; }
  .why-stat { border-right: none; border-bottom: 2px solid var(--black); }
  .why-stat:last-child { border-bottom: none; }

  .why-pillars { grid-template-columns: 1fr; }
  .why-pillar { border-right: none; border-bottom: 2px solid var(--black) !important; }
  .why-pillar:last-child { border-bottom: none !important; }

  .contact-item { padding: 20px; gap: 12px; }
  .contact-item-label { width: 44px; }
  .topbar-status { font-size: 0.65rem; }

  /* Start screen */
  #startScreen { padding: 40px 20px; }
  .hero-number { font-size: clamp(120px, 30vw, 200px); }
  .hero-label { font-size: 0.65rem; letter-spacing: 4px; }
  .rule-grid { grid-template-columns: 1fr; max-width: 100%; }
  .rule-item { border-right: none; border-bottom: 2px solid var(--black); padding: 20px 20px; }
  .rule-item:last-child { border-bottom: none; }
  .rule-n { font-size: 2.4rem; }
  .how-list { max-width: 100%; }
  .video-section { max-width: 100%; margin-bottom: 32px; }
  .btn-start { width: 100%; max-width: 400px; padding: 22px 40px; font-size: 0.85rem; }

  /* Exercise screen */
  #exerciseScreen { flex-direction: column; height: auto; min-height: calc(100vh - 60px); }
  .panel-left {
    border-right: none;
    border-bottom: 2px solid var(--black);
    padding: 28px 20px;
    gap: 28px;
  }
  .round-meta { max-width: 100%; }
  .round-prompt { font-size: clamp(2.2rem, 8vw, 3rem); max-width: 100%; }
  .prompt-hint { font-size: 1rem; max-width: 100%; margin-top: 12px; }
  .timer-wrap { width: min(220px, 62vw); }
  .timer-digits { font-size: clamp(72px, 20vw, 100px); }
  .progress-wrap { max-width: 100%; }
  .ctrl-btn { width: 56px; height: 56px; font-size: 1.15rem; }

  .panel-right { width: 100%; padding: 20px; }
  .sketch-list { display: flex; flex-direction: column; }
  .sketch-row { padding: 12px 0; }
  .sketch-row-label { font-size: 0.6rem; }

  /* Completion screen */
  #completionScreen { padding: 40px 20px; }
  .done-title { font-size: clamp(72px, 20vw, 140px); }
  .done-message { font-size: 0.85rem; }
  .reflection-section { max-width: 100%; }
  .reflection-q { font-size: clamp(1.4rem, 6vw, 2rem); }
  .done-stats { flex-direction: column; width: 100%; }
  .done-stat { border-right: none; border-bottom: 2px solid var(--black); padding: 20px; }
  .done-stat:last-child { border-bottom: none; }
  .btn-ghost { padding: 18px 32px; font-size: 0.8rem; flex: 1; }

  .bottombar { padding: 14px 20px; }
  .bottombar-note { display: none; }
}

@media (max-width: 420px) {
  .topbar-nav { gap: 10px; }
}

@media (max-width: 400px) {
  .topbar { padding: 16px 16px; }
  .panel-left { padding: 24px 16px; gap: 24px; }
  .panel-right { padding: 16px; }
  #startScreen { padding: 32px 16px; }
  #completionScreen { padding: 32px 16px; }
}