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

body {
  background: #fff0db;
  color: #0f4c81;
  font-family: 'DM Sans', sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

/* ── Screens ── */

.screen {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
  width: 100%;
  max-width: 480px;
  animation: fadeIn 0.4s ease-out;
}

.screen.active {
  display: flex;
}

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

/* ── Start screen ── */

#screen-start h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
}

#screen-start p {
  font-size: 1rem;
  font-weight: 500;
  opacity: 0.5;
  margin-top: -0.25rem;
}

/* ── Buttons ── */

button {
  background: #0f4c81;
  color: #fff0db;
  border: none;
  border-radius: 6px;
  padding: 0.75rem 2rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

button:hover {
  transform: scale(1.03);
  opacity: 0.88;
}

button:active {
  transform: scale(0.97);
}

.btn-ghost {
  background: transparent;
  color: #0f4c81;
  border: 1.5px solid rgba(15, 76, 129, 0.28);
  padding: 0.7rem 1.75rem;
}

.btn-ghost:hover {
  border-color: rgba(15, 76, 129, 0.55);
  opacity: 1;
}

/* ── Progress dots ── */

.progress-dots {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  opacity: 0;
  transition: opacity 0.35s ease;
  min-height: 8px; /* reserve space so layout doesn't shift */
}

.progress-dots.visible {
  opacity: 1;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(15, 76, 129, 0.18);
  transition: background 0.35s ease, transform 0.35s ease;
}

.dot.filled {
  background: #0f4c81;
  transform: scale(1.15);
}

/* ── Camera frame ── */

.camera-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 6px;
  background: rgba(15, 76, 129, 0.08);
}

#video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
  display: block;
  transition: filter 0.2s ease;
}

/* ── Photo preview overlay ── */

.photo-preview {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.12s ease;
}

/* ── Flash ── */

.flash {
  position: absolute;
  inset: 0;
  background: white;
  opacity: 0;
  pointer-events: none;
}

/* ── Countdown ── */

.countdown {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  font-weight: 800;
  color: #fff0db;
  pointer-events: none;
  opacity: 0;
}

.countdown.visible {
  opacity: 1;
  background: rgba(15, 76, 129, 0.22);
}

.countdown .num {
  display: block;
  animation: countPop 0.9s ease-out forwards;
}

@keyframes countPop {
  0%   { transform: scale(1.4); opacity: 0; }
  18%  { transform: scale(1);   opacity: 1; }
  72%  { transform: scale(1);   opacity: 1; }
  100% { transform: scale(0.8); opacity: 0; }
}

/* ── Camera status ── */

.camera-status {
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0.5;
  text-align: center;
  min-height: 1.35em;
  transition: opacity 0.2s ease;
}

/* ── Pickers ── */

.pickers {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: opacity 0.25s ease;
}

.pickers.hidden {
  display: none;
}

.picker-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.picker-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  opacity: 0.38;
}

.picker-row {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  align-items: flex-start;
}

/* Filter chips — text pills */

.filter-pick {
  background: transparent;
  color: rgba(15, 76, 129, 0.65);
  border: 1.5px solid rgba(15, 76, 129, 0.2);
  border-radius: 20px;
  padding: 0.28rem 0.75rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  /* override global button scale */
  transform: none;
}

.filter-pick:hover {
  border-color: rgba(15, 76, 129, 0.45);
  color: #0f4c81;
  transform: none;
  opacity: 1;
}

.filter-pick.active {
  background: #0f4c81;
  color: #fff0db;
  border-color: #0f4c81;
}

.filter-pick:active {
  transform: scale(0.96);
}

/* Frame swatches — visual squares + label */

.frame-pick {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  transition: opacity 0.15s ease;
}

.frame-pick:hover {
  transform: none;
  opacity: 0.85;
}

.frame-pick:active {
  transform: scale(0.95);
  opacity: 1;
}

.frame-swatch {
  width: 38px;
  height: 38px;
  border-radius: 5px;
  border: 2px solid transparent;
  transition: border-color 0.15s ease;
  display: block;
}

.frame-pick.active .frame-swatch {
  border-color: #0f4c81;
}

.frame-name {
  font-size: 0.68rem;
  font-weight: 600;
  color: rgba(15, 76, 129, 0.5);
  transition: color 0.15s ease;
}

.frame-pick.active .frame-name {
  color: #0f4c81;
}

/* ── Strip screen ── */

.strip-label {
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0.5;
  letter-spacing: 0.01em;
  min-height: 1.4em;
  text-align: center;
}

#strip-wrapper {
  border-radius: 2px;
  box-shadow: 0 6px 28px rgba(15, 76, 129, 0.13);
  overflow: hidden;
  line-height: 0;
  background: #ffffff;
}

#strip-canvas {
  display: block;
  clip-path: inset(0 0 100% 0);
}

#strip-canvas.reveal {
  animation: stripReveal 2.6s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}

@keyframes stripReveal {
  0%   { clip-path: inset(0 0 100% 0); }
  100% { clip-path: inset(0 0 0%   0); }
}

.strip-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.strip-actions.visible {
  opacity: 1;
}

/* ── Mobile ── */

@media (max-width: 600px) {
  body {
    padding: 1rem;
    align-items: flex-start;
    padding-top: 1.5rem;
  }

  #screen-start h1 {
    font-size: 2.25rem;
  }

  button {
    padding: 0.75rem 1.5rem;
    min-height: 44px;
  }

  .btn-ghost {
    min-height: 44px;
  }

  .filter-pick {
    min-height: 36px;
  }

  .frame-swatch {
    width: 44px;
    height: 44px;
  }
}