/* Aurora Boreal Nórdica — dark, mobile-first (design.md) */

:root {
  --bg: #050B1A;             /* Deep Midnight */
  --surface: #0A1628;        /* Arctic Blue */
  --text: #E8F4F8;           /* Frost White */
  --muted: #8CA3B8;
  --primary: #00FF87;        /* Aurora Green */
  --primary-dim: #00d873;
  --cyan: #00D4FF;           /* Ice Cyan */
  --violet: #7B2FBE;         /* Violet Sky */
  --pink: #FF6EC7;           /* Glacier Pink */
  --error: #ff7a7a;
  --border: rgba(232, 244, 248, 0.12);
  --radius: 0.5rem;
  --space: 0.5rem;           /* base unit 8px */
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: "Montserrat", -apple-system, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
}

/* --- атмосфера: сияние + звёзды (только transform/opacity) --- */

.aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.aurora-band {
  position: absolute;
  width: 140vw;
  height: 42vh;
  left: -20vw;
  filter: blur(60px);
  opacity: 0.35;
  border-radius: 50%;
  will-change: transform;
  animation: drift 14s ease-in-out infinite alternate;
}
.aurora-band-1 {
  top: -14vh;
  background: linear-gradient(100deg, transparent 10%, #00FF87 45%, #00D4FF 70%, transparent 92%);
}
.aurora-band-2 {
  top: -4vh;
  background: linear-gradient(80deg, transparent 15%, #7B2FBE 50%, transparent 85%);
  opacity: 0.28;
  animation-duration: 18s;
  animation-delay: -6s;
}
.aurora-band-3 {
  top: 4vh;
  background: linear-gradient(95deg, transparent 20%, #00D4FF 55%, transparent 88%);
  opacity: 0.16;
  animation-duration: 22s;
  animation-delay: -11s;
}
@keyframes drift {
  from { transform: translateX(-6vw) translateY(0) rotate(-4deg) scaleY(1); }
  to   { transform: translateX(6vw) translateY(3vh) rotate(3deg) scaleY(1.15); }
}

.stars {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 12% 22%, rgba(232,244,248,.8) 50%, transparent 51%),
    radial-gradient(1px 1px at 78% 12%, rgba(232,244,248,.6) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 55% 34%, rgba(232,244,248,.5) 50%, transparent 51%),
    radial-gradient(1px 1px at 30% 58%, rgba(232,244,248,.4) 50%, transparent 51%),
    radial-gradient(1px 1px at 88% 48%, rgba(232,244,248,.5) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 65% 76%, rgba(232,244,248,.35) 50%, transparent 51%),
    radial-gradient(1px 1px at 18% 84%, rgba(232,244,248,.45) 50%, transparent 51%);
}

/* --- каркас --- */

.shell {
  position: relative;
  z-index: 1;
  max-width: 480px;
  margin: 0 auto;
  padding: calc(var(--space) * 3) calc(var(--space) * 2) calc(var(--space) * 5);
  padding-top: max(calc(var(--space) * 3), env(safe-area-inset-top));
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.brand {
  display: flex;
  align-items: center;
  gap: calc(var(--space) * 1.25);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: calc(var(--space) * 3);
}
.brand-mark {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

/* --- карточка: frosted glass --- */

.card {
  background: rgba(10, 22, 40, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  padding: calc(var(--space) * 3);
  animation: enter 480ms ease-out;
}
.card-center { text-align: center; }

@keyframes enter {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 calc(var(--space) * 1.5);
}

.muted {
  color: var(--muted);
  font-size: 0.875rem;
  margin: 0 0 calc(var(--space) * 2);
}

/* --- поля --- */

.field { display: block; margin-bottom: calc(var(--space) * 2); }
.field-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: calc(var(--space) * 0.75);
}
input:not([type="checkbox"]) {
  width: 100%;
  padding: 14px;
  font: inherit;
  color: var(--text);
  background: rgba(5, 11, 26, 0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
input:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.check {
  display: flex;
  gap: calc(var(--space) * 1.5);
  align-items: flex-start;
  margin: calc(var(--space) * 2) 0;
  font-size: 0.9375rem;
  cursor: pointer;
}
.check input {
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  accent-color: var(--primary);
  flex-shrink: 0;
}

/* --- кнопки --- */

button {
  display: block;
  width: 100%;
  padding: 14px 18px;
  margin-top: calc(var(--space) * 2);
  font: inherit;
  font-weight: 600;
  color: #052012;
  background: var(--primary);
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 200ms ease, box-shadow 200ms ease, background 200ms ease;
}
button:hover { background: var(--primary-dim); box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08); }
button:active { transform: translateY(-1px); }
button:disabled {
  background: rgba(232, 244, 248, 0.14);
  color: var(--muted);
  cursor: default;
  transform: none;
  box-shadow: none;
}
button.ghost {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid rgba(0, 255, 135, 0.4);
}
button.ghost:hover { background: rgba(0, 255, 135, 0.08); }
button:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }

/* --- слоты фото --- */

.slot {
  display: flex;
  align-items: center;
  gap: calc(var(--space) * 1.5);
  padding: calc(var(--space) * 1.75);
  margin: calc(var(--space) * 1.5) 0;
  background: rgba(5, 11, 26, 0.5);
  border: 1px dashed rgba(0, 212, 255, 0.35);
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 200ms ease, border-color 200ms ease;
}
.slot:hover { transform: scale(1.03); border-color: var(--cyan); }
.slot-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  color: var(--cyan);
  background: rgba(0, 212, 255, 0.1);
  border-radius: var(--radius);
}
.slot-icon svg { width: 22px; height: 22px; }
.slot-body { flex: 1; min-width: 0; }
.slot-title { display: block; font-weight: 600; font-size: 0.9375rem; }
.slot-hint { display: block; color: var(--muted); font-size: 0.8125rem; }
.slot-state { font-size: 0.8125rem; font-weight: 600; color: var(--primary); flex-shrink: 0; }

.qr {
  display: block;
  width: 160px;
  height: 160px;
  margin: 0 auto calc(var(--space) * 1.5);
  background: var(--text);
  border-radius: var(--radius);
  padding: calc(var(--space) * 1);
}
.qr[hidden] { display: none; }

.preview[hidden] { display: none; }
.preview {
  display: block;
  max-width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin: 0 0 calc(var(--space) * 1.5);
}

/* --- скелетон (без спиннеров) --- */

.skeleton { display: grid; gap: calc(var(--space) * 1.5); margin-top: calc(var(--space) * 2); }
.skeleton i {
  display: block;
  height: 16px;
  border-radius: var(--radius);
  background: linear-gradient(90deg,
    rgba(232, 244, 248, 0.06) 25%,
    rgba(0, 212, 255, 0.18) 50%,
    rgba(232, 244, 248, 0.06) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s linear infinite;
}
.skeleton i:nth-child(2) { width: 82%; animation-delay: 100ms; }
.skeleton i:nth-child(3) { width: 64%; animation-delay: 200ms; }
@keyframes shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

/* --- данные паспорта --- */

.data {
  margin: 0 0 calc(var(--space) * 2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.data > div {
  display: flex;
  justify-content: space-between;
  gap: calc(var(--space) * 2);
  padding: calc(var(--space) * 1.5) calc(var(--space) * 1.75);
  animation: enter 480ms ease-out backwards;
}
.data > div + div { border-top: 1px solid var(--border); }
.data dt { color: var(--muted); font-size: 0.8125rem; margin: 0; }
.data dd {
  margin: 0;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.875rem;
  text-align: right;
  overflow-wrap: anywhere;
}

/* --- статусы --- */

.notice {
  padding: calc(var(--space) * 1.5);
  border: 1px solid rgba(255, 110, 199, 0.35);
  border-radius: var(--radius);
  background: rgba(255, 110, 199, 0.08);
  color: var(--pink);
  font-size: 0.875rem;
  margin: 0 0 calc(var(--space) * 2);
}

.error {
  color: var(--error);
  font-size: 0.875rem;
  min-height: 1.4em;
  margin: calc(var(--space) * 1.5) 0 0;
}

.done-badge {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin: 0 auto calc(var(--space) * 2);
  color: #052012;
  background: var(--primary);
  border-radius: 50%;
  animation: enter 480ms ease-out;
}
.done-badge svg { width: 30px; height: 30px; }

.footer {
  margin-top: auto;
  padding-top: calc(var(--space) * 3);
  text-align: center;
  color: var(--muted);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

/* --- планшет и выше: карточка дышит свободнее --- */

@media (min-width: 768px) {
  .shell { max-width: 560px; padding-top: calc(var(--space) * 8); }
  .card { padding: calc(var(--space) * 4); }
  h1 { font-size: 2.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  .aurora-band, .skeleton i, .card, .done-badge, .data > div { animation: none; }
  button, .slot { transition: none; }
}