/* SenseTime — 「余白と活字」 editorial / warm-paper aesthetic
   主観時間の手帳。墨と紙、極細の罫、上品なセリフの数字。 */

:root {
  --paper:      #f7f4ec;
  --paper-2:    #fffdf8;
  --paper-sink: #efe9db;
  --ink:        #2b2724;
  --ink-soft:   #6f685c;
  --ink-faint:  #726a54;
  --line:       #e3dccb;
  --line-soft:  #ece5d6;
  --accent:     #3a4768;   /* 墨藍 — 唯一の主アクセント */
  --accent-2:   #50608c;
  --accent-tint:#e8eaf1;
  --gold:       #8c612b;   /* 控えめな金 — 充実度・新奇 */
  --sage:       #4e6341;   /* 新奇 */
  --amber:      #825b24;   /* やや新 */
  --danger:     #a8553f;
  --radius:     12px;
  --font-display: "Fraunces", "Hiragino Mincho ProN", Georgia, serif;
  --font-serif-jp: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-body: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
  background-color: var(--paper);
  /* 紙の沈み — ごく淡い縦グラデと中心の光 */
  background-image:
    radial-gradient(120% 80% at 50% -10%, rgba(255,255,255,0.7), rgba(255,255,255,0) 60%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-sink) 100%);
  background-attachment: fixed;
  padding-bottom: env(safe-area-inset-bottom);
  -webkit-font-smoothing: antialiased;
}

main, .app-header, .app-footer {
  max-width: 480px;
  margin: 0 auto;
  padding: 0 22px;
}

/* ---------- header ---------- */
.app-header {
  position: sticky; top: 0; z-index: 10;
  padding-top: calc(env(safe-area-inset-top) + 20px);
  background: linear-gradient(180deg, var(--paper) 70%, rgba(247,244,236,0));
  animation: rise .7s cubic-bezier(.2,.7,.2,1) both;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 0.7em;
  margin-bottom: 14px;
}
.wordmark {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.85rem;
  letter-spacing: -0.015em;
  color: var(--ink);
  line-height: 1;
}
.brand-sub {
  font-family: var(--font-serif-jp);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
}
.tabs {
  display: flex;
  gap: 26px;
  border-bottom: 1px solid var(--line);
}
.tab {
  appearance: none;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: 12px 2px 13px;
  font-family: var(--font-serif-jp);
  font-size: 0.96rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease;
}
.tab:hover { color: var(--ink-soft); }
.tab.active { color: var(--ink); border-bottom-color: var(--accent); }
.tab:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

main {
  padding-top: 26px;
  padding-bottom: 8px;
  animation: rise .7s cubic-bezier(.2,.7,.2,1) both;
  animation-delay: .06s;
}

/* views */
.view { display: none; }
.view.active { display: block; }

/* ---------- form ---------- */
#exp-form { display: flex; flex-direction: column; gap: 10px; }
textarea {
  width: 100%;
  padding: 16px 16px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-2);
  font-family: var(--font-body);
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--ink);
  resize: vertical;
  min-height: 96px;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
textarea::placeholder { color: var(--ink-faint); }
textarea:focus-visible {
  outline: none;
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 4px var(--accent-tint);
}
.char-count {
  text-align: right;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink-faint);
  margin-top: -4px;
}

.chip-label {
  font-family: var(--font-serif-jp);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
  margin-top: 10px;
  margin-bottom: 2px;
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips-scroll {
  flex-wrap: nowrap;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}
.chip {
  background: var(--paper-2);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 9px 16px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  cursor: pointer;
  white-space: nowrap;
  min-height: 44px;
  transition: background .16s ease, color .16s ease, border-color .16s ease, transform .12s ease;
}
.chip:hover { border-color: var(--accent-2); color: var(--ink); }
.chip:active { transform: scale(0.96); }
.chip.active {
  background: var(--accent);
  color: var(--paper-2);
  border-color: var(--accent);
}
.chip:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
/* 充実度チップ(数字)はセリフ数字で */
#scores .chip { font-family: var(--font-display); font-weight: 500; font-size: 1rem; min-width: 46px; text-align: center; }

button.primary {
  width: 100%;
  margin-top: 8px;
  padding: 15px;
  background: var(--accent);
  color: var(--paper-2);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  font-family: var(--font-serif-jp);
  font-size: 1.02rem;
  letter-spacing: 0.12em;
  cursor: pointer;
  min-height: 50px;
  transition: background .18s ease, transform .12s ease, box-shadow .18s ease;
}
button.primary:hover:not(:disabled) { background: var(--accent-2); box-shadow: 0 6px 18px rgba(58,71,104,0.22); }
button.primary:active:not(:disabled) { transform: translateY(1px); }
button.primary:disabled { opacity: 0.55; cursor: progress; }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- section heading ---------- */
.section-head {
  display: flex;
  align-items: baseline;
  gap: 0.6em;
  font-family: var(--font-serif-jp);
  font-weight: 500;
  font-size: 1.04rem;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin: 34px 0 12px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--line);
}
.head-note {
  font-family: var(--font-display);
  font-size: 0.74rem;
  font-style: italic;
  letter-spacing: 0;
  color: var(--ink-faint);
}
.count-badge {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink-faint);
}

/* ---------- recent list ---------- */
.list { list-style: none; padding: 0; margin: 0; }
.list li {
  padding: 14px 2px;
  border-bottom: 1px solid var(--line-soft);
  animation: rise .5s ease both;
}
.list li:last-child { border-bottom: none; }
.list li.empty {
  color: var(--ink-faint);
  font-family: var(--font-serif-jp);
  letter-spacing: 0.06em;
  padding: 28px 0;
  text-align: center;
}
.list li > div:first-child { line-height: 1.65; }
.list .meta {
  color: var(--ink-faint);
  font-size: 0.76rem;
  margin-top: 6px;
  display: flex;
  gap: 12px;
  align-items: center;
}
.list .meta > span:first-child { font-family: var(--font-display); font-variant-numeric: tabular-nums; letter-spacing: 0.02em; }
.list .badge {
  display: inline-block;
  font-family: var(--font-serif-jp);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  padding: 2px 9px;
  border-radius: 999px;
  margin-right: 7px;
  vertical-align: 0.08em;
}
.list .badge.cat { background: var(--accent-tint); color: var(--accent); }
.list .badge.nov-3 { background: #e9efe4; color: var(--sage); }
.list .badge.nov-2 { background: #f3ecdc; color: var(--amber); }
.list .badge.nov-1 { background: var(--paper-sink); color: var(--ink-faint); }
.list .stars { color: var(--gold); letter-spacing: 2px; font-size: 0.82rem; }
.list .stars .empty { color: var(--line); }

/* ---------- graph: this week hero ---------- */
.thisweek {
  text-align: center;
  padding: 18px 0 24px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 6px;
}
.tw-label {
  font-family: var(--font-serif-jp);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--ink-faint);
  margin-bottom: 6px;
}
.tw-score {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 4rem;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}
.tw-unit {
  font-family: var(--font-serif-jp);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
  margin-top: 6px;
}
.tw-meta {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink-faint);
  margin-top: 4px;
}

.tw-days-block {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.tw-days-label {
  display: block;
  font-family: var(--font-serif-jp);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
  margin-bottom: 4px;
}
.tw-days {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 2.4rem;
  line-height: 1.05;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}
.tw-days.neg { color: var(--danger); }
.tw-days-sub {
  display: block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink-faint);
  margin-top: 6px;
}

.chart-wrap { height: 230px; margin: 10px 0 14px; }
.chart-note {
  font-size: 0.74rem;
  line-height: 1.7;
  color: var(--ink-faint);
  margin: 0 2px;
}

/* ---------- footer ---------- */
.app-footer {
  margin-top: 38px;
  padding-top: 20px;
  padding-bottom: 30px;
  border-top: 1px solid var(--line);
  text-align: center;
}
.app-footer .privacy {
  font-size: 0.78rem;
  color: var(--ink-faint);
  margin: 0 0 12px;
  line-height: 1.6;
}
.foot-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px;
}
.foot-links a {
  font-family: var(--font-serif-jp);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}
.foot-links a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ---------- toast ---------- */
#toast-area {
  position: fixed;
  top: calc(env(safe-area-inset-top) + 16px);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 9999;
  pointer-events: none;
}
.toast {
  background: var(--ink);
  color: var(--paper);
  padding: 11px 20px;
  border-radius: 999px;
  font-family: var(--font-serif-jp);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  box-shadow: 0 10px 30px rgba(43,39,36,0.24);
  animation: toast-in .26s cubic-bezier(.2,.7,.2,1);
  pointer-events: auto;
}
.toast.success { background: var(--accent); color: var(--paper-2); }
.toast.error { background: var(--danger); color: var(--paper-2); }
.toast.fade { animation: toast-out .24s ease-in forwards; }

@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toast-in { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toast-out { to { opacity: 0; transform: translateY(-10px); } }

@media (prefers-reduced-motion: reduce) {
  .app-header, main, .list li, .toast { animation: none; }
  .chip:active, button.primary:active { transform: none; }
}