/* たまごフレンズ — 共通の土台（トークン・リセット・部品） */

:root {
  --ink: #2c2440;
  --ink-soft: #574e6b;
  --muted: #7b7389;
  --line: #ebe4f1;
  --paper: #ffffff;
  --bg: #fdf8f4;
  --brand: #f2723c;
  --brand-strong: #d9581f;
  --sun: #ffc93c;
  --mint: #35b9ac;
  --grape: #7c5cf0;
  --danger: #c93a4b;
  --ok: #23835c;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 6px 18px rgba(72, 52, 96, 0.08);
  --shadow-strong: 0 14px 34px rgba(72, 52, 96, 0.16);
  --tap: 48px;
  --font: system-ui, -apple-system, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Noto Sans JP', 'Yu Gothic', sans-serif;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}

h1,
h2,
h3,
p,
ul,
ol {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
}

img,
svg,
canvas,
video {
  max-width: 100%;
}

button {
  font: inherit;
  color: inherit;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 13px;
}

.fatal {
  margin: 24px;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: #fdecef;
  color: var(--danger);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.divider {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 18px 0;
}

/* ---------------------------------------------------------------- ボタン */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: var(--tap);
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: #f3eef8;
  color: var(--ink);
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  transition: transform 0.12s ease, filter 0.12s ease, background 0.12s ease;
  -webkit-tap-highlight-color: transparent;
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn:focus-visible {
  outline: 3px solid rgba(124, 92, 240, 0.45);
  outline-offset: 2px;
}

.btn--primary {
  background: linear-gradient(135deg, #ff9a5a, #f2723c);
  color: #fff;
  box-shadow: 0 6px 16px rgba(242, 114, 60, 0.28);
}

.btn--ghost {
  background: #fff;
  border-color: var(--line);
  color: var(--ink-soft);
}

.btn--danger {
  background: var(--danger);
  color: #fff;
}

.btn--danger-text {
  color: var(--danger);
}

.btn--small {
  min-height: 40px;
  padding: 6px 14px;
  font-size: 14px;
}

.btn--large {
  min-height: 54px;
  font-size: 17px;
  width: 100%;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button-row > .btn {
  flex: 1 1 auto;
}

/* ---------------------------------------------------------------- 入力 */

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field__label {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-soft);
}

.input {
  width: 100%;
  min-height: var(--tap);
  padding: 10px 14px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 16px; /* iOS の自動ズームを避ける */
}

.input:focus {
  outline: none;
  border-color: var(--grape);
  box-shadow: 0 0 0 4px rgba(124, 92, 240, 0.12);
}

.input--pin {
  letter-spacing: 0.4em;
  text-align: center;
  font-size: 20px;
}

.input--emoji {
  width: 64px;
  text-align: center;
  font-size: 26px;
  padding: 6px;
}

.input--area {
  min-height: 96px;
  resize: vertical;
  line-height: 1.5;
  font-size: 14px;
}

.input--error {
  border-color: var(--danger);
  box-shadow: 0 0 0 4px rgba(201, 58, 75, 0.12);
}

.form-error {
  color: var(--danger);
  font-size: 14px;
  font-weight: 700;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.field--wide {
  grid-column: 1 / -1;
}

@media (max-width: 359px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  .field--wide {
    grid-column: auto;
  }
}

/* ---------------------------------------------------------------- カード */

.card {
  background: var(--paper);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 14px;
}

.card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.card__title {
  font-size: 16px;
  font-weight: 800;
}

.card__subtitle {
  font-size: 14px;
  font-weight: 800;
  color: var(--ink-soft);
}

.card__count {
  font-size: 12px;
  color: var(--muted);
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 6px 0 12px;
}

.section-head__title {
  font-size: 17px;
  font-weight: 800;
}

.empty-state {
  align-items: flex-start;
  color: var(--muted);
}

.empty-state__title {
  font-weight: 800;
  color: var(--ink);
}

.danger-zone {
  border: 1.5px dashed rgba(201, 58, 75, 0.35);
}

.link-muted {
  font-size: 13px;
  color: var(--muted);
  text-decoration: underline;
}

.back-link {
  font-size: 14px;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 8px 0;
}

/* ---------------------------------------------------------------- 進捗 */

.progress {
  height: 12px;
  border-radius: 999px;
  background: #f0eaf7;
  overflow: hidden;
}

.progress--slim {
  height: 8px;
}

.progress__bar {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #ffc93c, #ff9a5a 60%, #ff8fab);
  transition: width 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------------------------------------------------------------- トースト */

.toast-host {
  position: fixed;
  left: 50%;
  bottom: calc(18px + var(--safe-bottom));
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 90;
  width: min(92vw, 420px);
  pointer-events: none;
}

.toast {
  padding: 12px 16px;
  border-radius: 14px;
  background: rgba(44, 36, 64, 0.94);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow-strong);
  animation: toast-in 0.25s ease;
}

.toast--success {
  background: rgba(35, 131, 92, 0.95);
}

.toast--error {
  background: rgba(201, 58, 75, 0.96);
}

.toast--out {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
}

/* ---------------------------------------------------------------- シート */

body.has-sheet {
  overflow: hidden;
}

.sheet-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: rgba(35, 27, 52, 0.45);
  backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity 0.2s ease;
  padding: 0;
}

.sheet-overlay--in {
  opacity: 1;
}

.sheet {
  width: 100%;
  max-height: 92vh;
  max-height: 92dvh;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px 18px calc(18px + var(--safe-bottom));
  background: var(--paper);
  border-radius: 22px 22px 0 0;
  box-shadow: var(--shadow-strong);
  transform: translateY(16px);
  transition: transform 0.24s cubic-bezier(0.22, 1, 0.36, 1);
  overflow: hidden;
}

.sheet-overlay--in .sheet {
  transform: translateY(0);
}

@media (min-width: 720px) {
  .sheet-overlay {
    align-items: center;
    padding: 24px;
  }
  .sheet {
    max-width: 520px;
    border-radius: 22px;
  }
  .sheet--wide {
    max-width: 640px;
  }
}

.sheet__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.sheet__title {
  font-size: 18px;
  font-weight: 800;
}

.sheet__close {
  flex: none;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 50%;
  background: #f3eef8;
  font-size: 16px;
  cursor: pointer;
}

.sheet__desc {
  font-size: 13px;
  color: var(--muted);
}

.sheet__body {
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.sheet__foot {
  display: flex;
  gap: 10px;
  padding-top: 6px;
}

.sheet__foot .btn {
  flex: 1;
}

.confirm__message {
  white-space: pre-wrap;
  font-size: 15px;
}

/* ---------------------------------------------------------------- QR */

.qr-sheet {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: center;
}

.qr-sheet__hint {
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}

.qr-sheet__note {
  font-size: 12px;
  text-align: center;
}

.qr-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.qr-block__badge {
  font-size: 12px;
  font-weight: 800;
  color: var(--brand-strong);
  background: #fff2ea;
  border-radius: 999px;
  padding: 2px 10px;
}

.qr-block__label {
  font-size: 13px;
  color: var(--ink-soft);
}

.qr-block__frame {
  padding: 10px;
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: 16px;
}

.qr-block__canvas {
  display: block;
  width: min(68vw, 260px);
  height: auto;
  image-rendering: pixelated;
}

.qr-block__code {
  width: 100%;
  font-size: 12px;
  color: var(--muted);
}

.qr-block__code summary {
  cursor: pointer;
  padding: 6px 0;
}

.qr-block__codetext {
  width: 100%;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  word-break: break-all;
  resize: vertical;
}

/* ---------------------------------------------------------------- スキャナ */

.scanner {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.scanner__camera {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: #1c1626;
  aspect-ratio: 4 / 3;
  display: none;
}

.scanner__camera--live {
  display: block;
}

.scanner__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scanner__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.scanner__actions .btn {
  flex: 1 1 auto;
}

.scanner__hint {
  font-size: 13px;
}

.scanner__divider {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--muted);
}

.scanner__divider::before,
.scanner__divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--line);
}

/* ---------------------------------------------------------------- タグ */

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}

.tag--info {
  background: #eaf1ff;
  color: #2f5fbf;
}

.tag--warn {
  background: #fff3e0;
  color: #a35a00;
}

.tag--reward {
  background: #f3ecff;
  color: #6340c9;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}