:root {
  --bg: #0f172a;
  --card: #111827;
  --accent: #38bdf8;
  --accent-2: #a78bfa;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --danger: #f87171;
  --border: #1f2937;
  font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at 20% 20%, rgba(56, 189, 248, 0.08), transparent 40%),
    radial-gradient(circle at 80% 10%, rgba(167, 139, 250, 0.1), transparent 35%),
    var(--bg);
  color: var(--text);
}

#app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
}

.nav a:hover {
  color: var(--text);
}

.nav a.active {
  color: var(--text);
  background: #0b1220;
  border-color: var(--border);
}

main {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.home {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: center;
  align-items: center;
}

.hero-text {
  max-width: 520px;
}

.hero-visual {
  display: flex;
  justify-content: center;
  width: 100%;
}

.hero-visual img {
  width: min(320px, 80vw);
  height: auto;
  filter: drop-shadow(0 18px 24px rgba(0, 0, 0, 0.35));
}

.hero h1 {
  margin-top: 0;
  font-size: clamp(28px, 4vw, 40px);
}

@media (min-width: 880px) {
  .hero {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    text-align: left;
  }

  .hero-visual {
    justify-content: flex-end;
  }
}

.home-actions {
  margin-top: 12px;
}

.home-actions .ghost {
  display: inline-block;
  text-decoration: none;
}

.home-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.gallery {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.gallery-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.gallery-controls h1 {
  margin-top: 0;
}

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

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

.upload-btn {
  position: relative;
  overflow: hidden;
}

.upload-btn input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

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

.photo-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.photo-grid.masonry {
  column-count: 1;
  column-gap: 12px;
}

.photo-grid.masonry .photo-card {
  display: inline-block;
  width: 100%;
  margin: 0 0 12px;
  break-inside: avoid;
}

@media (min-width: 640px) {
  .photo-grid.masonry {
    column-count: 2;
  }
}

@media (min-width: 960px) {
  .photo-grid.masonry {
    column-count: 3;
  }
}

@media (min-width: 1240px) {
  .photo-grid.masonry {
    column-count: 4;
  }
}

.photo-card {
  position: relative;
  background: #0b1220;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

.photo-card img {
  width: 100%;
  height: auto;
  display: block;
}

.photo-meta {
  font-size: 12px;
  color: var(--muted);
  padding: 8px 10px 10px;
}

.photo-remove {
  position: absolute;
  top: 8px;
  right: 8px;
  border: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.75);
  color: var(--text);
  cursor: pointer;
}

.photo-remove:hover {
  background: rgba(248, 113, 113, 0.8);
  color: #0b1220;
}

.empty-state {
  text-align: center;
  padding: 24px 12px;
  color: var(--muted);
}

@media (min-width: 880px) {
  .gallery-head {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.glass {
  background: rgba(17, 24, 39, 0.68);
  border: 1px solid rgba(148, 163, 184, 0.2);
  backdrop-filter: blur(16px);
}

h2 {
  margin-top: 0;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 880px) {
  .grid {
    grid-template-columns: 1fr 1fr;
  }
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

label {
  font-size: 14px;
  color: var(--muted);
}

input,
textarea,
select {
  background: #0b1220;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 15px;
  outline: none;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

button {
  padding: 10px 14px;
  border-radius: 10px;
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b1220;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.2s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 20px rgba(56, 189, 248, 0.2);
}

button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

button.danger {
  color: var(--danger);
  border-color: rgba(248, 113, 113, 0.4);
}

a.ghost {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
}

a.ghost:hover {
  border-color: var(--accent);
}

label.ghost {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
}

label.ghost:hover {
  border-color: var(--accent);
}

.hidden {
  display: none;
}

.hint {
  color: var(--muted);
  min-height: 18px;
}

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

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  background: #0b1220;
}

.toggle input {
  accent-color: var(--accent);
}

.time-picker {
  display: flex;
  align-items: center;
  gap: 8px;
}

.time-picker select {
  width: 100%;
}

.colon {
  font-weight: 700;
  color: var(--muted);
}

.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  font-size: 13px;
}

.day {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  min-height: 62px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: #0b1220;
  position: relative;
}

.day.future {
  opacity: 0.55;
  cursor: not-allowed;
}

.day.today {
  border-color: var(--accent);
}

.day.selected {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 2px rgba(167, 139, 250, 0.25);
}

.day.arrived {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.08), #0b1220);
}

.day.not-arrived {
  background: linear-gradient(135deg, rgba(248, 113, 113, 0.08), #0b1220);
}

.note-flag {
  position: absolute;
  top: 6px;
  right: 8px;
  font-size: 13px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.yes {
  background: var(--accent);
}

.dot.no {
  background: #374151;
}

.dot.maybe {
  background: var(--danger);
}

.day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.entry-row {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  background: #0b1220;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.entry-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.entry-date {
  font-weight: 700;
}

.entry-time {
  color: var(--accent);
}

.entry-note {
  color: var(--muted);
  font-size: 14px;
}

.chart {
  min-height: 200px;
}

.chart svg {
  width: 100%;
  height: 240px;
}

.heatmap-legend {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 8px;
}

.heatmap-scroll {
  overflow-x: auto;
  padding-bottom: 6px;
}

.heatmap-header-grid {
  display: grid;
  align-items: end;
  gap: 4px;
  margin-bottom: 6px;
}

.heatmap-body-grid {
  display: grid;
  gap: 4px;
}

.heatmap-corner {
  position: sticky;
  left: 0;
  background: var(--card);
}

.heatmap-time-label {
  font-size: 10px;
  color: var(--muted);
  text-align: center;
}

.heatmap-row-label {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--card);
  padding-right: 6px;
}

.weekday-name {
  font-weight: 700;
  font-size: 13px;
}

.weekday-meta {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.3;
  margin-top: 2px;
}

.heatmap-cell {
  width: 12px;
  height: 12px;
  border-radius: 4px;
  background: #0b1220;
  border: 1px solid #111827;
}

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

.poem-header h2 {
  margin-bottom: 0;
}

.poem-content {
  font-size: clamp(18px, 3vw, 24px);
  line-height: 1.7;
}

.poem-origin {
  text-align: right;
  color: var(--muted);
  font-size: 14px;
}

.poem-warning {
  color: #fbbf24;
  font-size: 13px;
}

.poem-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.poem-emoji {
  background: #0b1220;
  color: var(--text);
  border: 1px solid var(--border);
  font-weight: 600;
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", "Twemoji Mozilla", "Segoe UI Symbol",
    sans-serif;
}

.poem-emoji.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

.poem-emoji:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.poem-stats {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stats-controls h1 {
  margin-top: 0;
}

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

.stats-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.poem-days {
  display: grid;
  gap: 12px;
}

.poem-day {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: #0b1220;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.poem-day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.poem-day-date {
  font-weight: 700;
}

.poem-day-tags {
  display: flex;
  gap: 6px;
}

.tag {
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--text);
  background: rgba(56, 189, 248, 0.1);
}

.tag.danger {
  border-color: rgba(248, 113, 113, 0.4);
  color: var(--danger);
  background: rgba(248, 113, 113, 0.1);
}

.poem-day-content {
  font-size: 16px;
  line-height: 1.6;
}

.poem-day-origin {
  color: var(--muted);
  font-size: 13px;
  text-align: right;
}

.poem-day-counts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.poem-count {
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.6);
  font-size: 13px;
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", "Twemoji Mozilla", "Segoe UI Symbol",
    sans-serif;
}

.poem-day-warning {
  font-size: 12px;
  color: #fbbf24;
}

.ranking-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ranking-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  border-radius: 10px;
  background: #0b1220;
  border: 1px solid var(--border);
}

.ranking-index {
  font-weight: 700;
  color: var(--accent);
  width: 32px;
}

.ranking-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ranking-content {
  font-size: 15px;
}

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

.ranking-count {
  font-weight: 700;
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", "Twemoji Mozilla", "Segoe UI Symbol",
    sans-serif;
}

@media (min-width: 880px) {
  .stats-head {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}