:root {
  --paper: #f5f2ec;
  --ink: #1c1917;
  --ink-light: #78716c;
  --ink-faint: #a8a29e;
  --border: #e5e0d8;
  --fire: #b5622a;
  --fire-soft: #d4845a;
  --fire-faint: #e8c4a8;
  --warm-white: #faf8f4;
  --shadow: 0 24px 60px rgba(106, 83, 62, 0.08);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(229, 180, 132, 0.24), transparent 28%),
    radial-gradient(circle at top right, rgba(181, 98, 42, 0.08), transparent 24%),
    linear-gradient(180deg, #f7f3ed 0%, var(--paper) 42%, #efe7dc 100%);
  color: var(--ink);
  font-family: "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
}

button,
input,
textarea {
  color: inherit;
  font: inherit;
}

button {
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

textarea {
  resize: vertical;
}

#app {
  min-height: 100vh;
}

.page {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 64px 1fr 64px;
  align-items: center;
  min-height: 72px;
  padding: 0 16px;
  background: rgba(245, 242, 236, 0.82);
  border-bottom: 1px solid rgba(229, 224, 216, 0.66);
  backdrop-filter: blur(14px);
}

.topbar__brand {
  justify-self: center;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.topbar__brand-main {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.topbar__brand-sub {
  color: var(--ink-faint);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
}

.topbar__back,
.topbar__ghost {
  width: 64px;
  font-size: 0.94rem;
}

.topbar__back {
  justify-self: start;
  color: var(--ink-light);
}

.topbar__back:hover,
.topbar__back:focus-visible {
  color: var(--fire);
}

.app-shell {
  width: min(100%, 620px);
  margin: 0 auto;
  padding: 28px 24px 112px;
}

.page-title {
  margin: 0 0 10px;
  font-size: clamp(2.4rem, 7vw, 3.6rem);
  line-height: 1.02;
  letter-spacing: 0.08em;
}

.page-subtitle,
.page-intro {
  margin: 0;
  color: var(--ink-light);
  font-size: 0.98rem;
  line-height: 1.8;
}

.home-hero,
.me-hero,
.source-hero {
  margin-bottom: 34px;
}

.home-hero .page-subtitle {
  font-size: 1.02rem;
  color: var(--fire);
}

.section {
  margin-top: 42px;
}

.section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.section__title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.section__meta {
  color: var(--ink-faint);
  font-size: 0.86rem;
}

.paper-card {
  padding: 24px 22px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.32), transparent 38%),
    var(--warm-white);
  border: 1px solid rgba(229, 224, 216, 0.72);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.spark-form {
  display: grid;
  gap: 32px;
}

.field {
  display: grid;
  gap: 10px;
}

.field__label {
  color: var(--ink-faint);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

.field__input {
  width: 100%;
  min-height: 48px;
  padding: 0 0 12px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  outline: none;
  color: var(--ink);
  line-height: 1.8;
}

.field__input::placeholder {
  color: var(--ink-faint);
}

.field__input:focus {
  border-bottom-color: var(--fire);
}

.field__input--multiline {
  min-height: 92px;
}

.primary-button,
.secondary-button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  transition: transform 120ms ease, border-color 120ms ease, color 120ms ease, background 120ms ease;
}

.primary-button {
  background: var(--fire);
  color: #fffdf9;
}

.primary-button:hover,
.primary-button:focus-visible {
  transform: translateY(-1px);
  background: #9f5120;
}

.secondary-button {
  border: 1px solid var(--border);
  color: var(--ink-light);
}

.secondary-button:hover,
.secondary-button:focus-visible {
  border-color: var(--fire-faint);
  color: var(--fire);
}

.ghost-button {
  color: var(--fire);
  padding: 0;
  min-height: auto;
}

.ghost-button:hover,
.ghost-button:focus-visible {
  color: #8d491f;
}

.spark-list {
  display: grid;
  gap: 52px;
}

.spark-card {
  position: relative;
  display: grid;
  gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.spark-card:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.spark-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--ink-faint);
  font-size: 0.86rem;
}

.spark-card__index {
  color: var(--fire-faint);
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.spark-card__source {
  color: var(--fire);
  font-size: 1.08rem;
  font-weight: 700;
}

.spark-card__source:hover,
.spark-card__source:focus-visible {
  color: #8d491f;
}

.spark-card__trait {
  margin: 8px 0 0;
  font-size: 1.02rem;
  line-height: 1.85;
}

.spark-card__belief {
  margin: 16px 0 0;
  color: var(--ink-light);
  font-style: italic;
  line-height: 1.9;
}

.spark-card__mirror {
  margin: 16px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--fire-faint);
  color: var(--fire-soft);
  line-height: 1.9;
}

.spark-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--ink-light);
}

.spark-edit-form {
  padding-top: 6px;
}

.review-form {
  display: grid;
  gap: 22px;
  padding: 18px 0 4px;
}

.review-edit-form {
  padding: 4px 0;
}

.review-list {
  display: grid;
  gap: 16px;
  margin-top: 4px;
}

.review-item {
  padding-left: 16px;
  border-left: 1px solid var(--border);
}

.review-item__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.review-item__month {
  margin: 0;
  color: var(--ink-light);
  font-size: 0.84rem;
}

.review-item__text {
  margin: 8px 0 0;
  line-height: 1.85;
}

.review-item__actions {
  display: flex;
  gap: 16px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.empty-state {
  padding: 28px 22px;
  color: var(--ink-light);
  background: rgba(250, 248, 244, 0.72);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  line-height: 1.9;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.stat-card {
  padding: 18px;
  background: rgba(250, 248, 244, 0.76);
  border: 1px solid rgba(229, 224, 216, 0.76);
  border-radius: 18px;
}

.stat-card__label {
  display: block;
  color: var(--ink-faint);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

.stat-card__value {
  margin-top: 10px;
  font-size: 2rem;
  color: var(--fire);
}

.summary-block {
  display: grid;
  gap: 18px;
}

.summary-group {
  padding: 18px;
  background: rgba(250, 248, 244, 0.82);
  border: 1px solid rgba(229, 224, 216, 0.78);
  border-radius: 18px;
}

.summary-group__title {
  margin: 0 0 10px;
  color: var(--ink-faint);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

.summary-group__content {
  margin: 0;
  line-height: 1.9;
}

.summary-group__content--mirror {
  color: var(--fire-soft);
}

.portrait {
  margin: 0;
  line-height: 2;
}

.rank-list,
.mirror-list,
.monthly-list {
  display: grid;
  gap: 14px;
}

.rank-item {
  display: grid;
  gap: 10px;
}

.rank-item__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.rank-item__name {
  color: var(--fire);
  font-weight: 700;
}

.rank-item__count {
  color: var(--ink-faint);
  font-size: 0.84rem;
}

.rank-item__bar {
  overflow: hidden;
  height: 9px;
  background: rgba(232, 196, 168, 0.4);
  border-radius: 999px;
}

.rank-item__fill {
  height: 100%;
  background: linear-gradient(90deg, #d28a57 0%, var(--fire) 100%);
  border-radius: inherit;
}

.mirror-item,
.monthly-item {
  padding: 18px;
  background: rgba(250, 248, 244, 0.82);
  border: 1px solid rgba(229, 224, 216, 0.78);
  border-radius: 18px;
}

.mirror-item__text,
.monthly-item__text {
  margin: 0;
  line-height: 1.9;
}

.mirror-item__source,
.monthly-item__month {
  margin-top: 12px;
  color: var(--ink-faint);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

.nav {
  position: fixed;
  left: 50%;
  bottom: 18px;
  z-index: 15;
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  width: min(calc(100% - 28px), 420px);
  padding: 10px;
  transform: translateX(-50%);
  background: rgba(250, 248, 244, 0.92);
  border: 1px solid rgba(229, 224, 216, 0.9);
  border-radius: 999px;
  box-shadow: 0 20px 40px rgba(77, 58, 44, 0.12);
  backdrop-filter: blur(16px);
}

.nav__item {
  min-height: 46px;
  border-radius: 999px;
  color: var(--ink-light);
}

.nav__item--active {
  background: rgba(181, 98, 42, 0.12);
  color: var(--fire);
}

.stack {
  display: grid;
  gap: 14px;
}

.hidden {
  display: none;
}

@media (max-width: 640px) {
  .app-shell {
    padding-left: 20px;
    padding-right: 20px;
  }

  .page-title {
    font-size: 2.4rem;
  }

  .paper-card {
    padding: 22px 18px;
  }
}