:root {
  --dark1: #173446;
  --dark2: #2f5a60;
  --sub: #7bc3d6;
  --accent: #5de6d1;
  --text1: #e9f0eb;
  --text2: #c3d5cf;
  --ozone: #ff8a4c;
  --nakano: #2ec27e;
  --isaka: #a86bff;
  --other: #ff5fa2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Zen Kaku Gothic New", sans-serif;
  color: var(--text2);
  background:
    radial-gradient(circle at 12% 78%, rgba(123, 195, 214, 0.14), transparent 40%),
    radial-gradient(circle at 82% 18%, rgba(93, 230, 209, 0.1), transparent 42%),
    linear-gradient(150deg, var(--dark1), var(--dark2));
}

main {
  padding: 16px 14px 96px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 16px 14px;
  background: linear-gradient(to bottom, rgba(23, 52, 70, 0.92), rgba(23, 52, 70, 0.3), transparent);
  backdrop-filter: blur(2px);
}

h1 {
  margin: 4px 0 0;
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: clamp(35px, 11vw, 56px);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 0.9;
  color: var(--text1);
}

.lead {
  margin: 8px 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page {
  display: none;
}

.page.is-active {
  display: block;
}

.section-label {
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(123, 195, 214, 0.84);
  font-size: 9px;
  letter-spacing: 0.4em;
}

.section-label::after {
  content: "";
  width: 44px;
  height: 1px;
  background: rgba(123, 195, 214, 0.34);
}

.with-top-gap {
  margin-top: 24px;
}

.card-block,
.day-timeline,
.entry-item,
.individual-item,
.empty {
  border: 1px solid rgba(123, 195, 214, 0.2);
  background: rgba(23, 52, 70, 0.5);
  border-radius: 14px;
}

.card-block {
  padding: 14px;
}

.control-group {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

label,
.control-group label {
  font-size: 11px;
  letter-spacing: 0.12em;
}

select,
input,
button {
  font-family: "Zen Kaku Gothic New", sans-serif;
}

select,
input {
  width: 100%;
  border: 1px solid rgba(123, 195, 214, 0.25);
  background: rgba(23, 52, 70, 0.58);
  color: var(--text2);
  border-radius: 10px;
  padding: 10px;
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 12px;
}

.segment {
  border: 1px solid rgba(123, 195, 214, 0.24);
  background: rgba(47, 90, 96, 0.35);
  color: var(--text2);
  border-radius: 999px;
  padding: 9px 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
}

.segment.is-active {
  background: rgba(123, 195, 214, 0.26);
  color: var(--text1);
}

.entry-form {
  display: grid;
  gap: 10px;
}

.hidden-form {
  display: none;
}

.time-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.primary-btn {
  border: 1px solid rgba(123, 195, 214, 0.34);
  background: rgba(93, 230, 209, 0.2);
  color: var(--text1);
  border-radius: 999px;
  padding: 10px 12px;
  letter-spacing: 0.2em;
}

.entry-list,
.individual-list,
.timeline-wrap {
  display: grid;
  gap: 10px;
}

.day-break {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 2px;
}

.day-break::before,
.day-break::after {
  content: "";
  height: 1px;
  background: rgba(123, 195, 214, 0.34);
  flex: 1;
}

.day-break p {
  margin: 0;
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--text1);
}

.entry-item,
.individual-item,
.empty {
  padding: 11px;
  position: relative;
}

.entry-item {
  cursor: pointer;
}

.entry-item.location,
.individual-item.location {
  border-left: 4px solid var(--location-color, rgba(123, 195, 214, 0.6));
}

.item-title {
  margin: 0 0 4px;
  color: var(--text1);
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.item-meta {
  margin: 0;
  font-size: 10px;
  letter-spacing: 0.08em;
}

.delete-btn {
  position: absolute;
  right: 8px;
  top: 8px;
  border: 1px solid rgba(123, 195, 214, 0.24);
  background: rgba(23, 52, 70, 0.8);
  color: var(--text2);
  border-radius: 999px;
  font-size: 9px;
  letter-spacing: 0.1em;
  padding: 3px 8px;
}

.day-tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 10px;
}

.day-tab {
  flex: 0 0 auto;
  border: 1px solid rgba(123, 195, 214, 0.24);
  background: rgba(23, 52, 70, 0.56);
  color: var(--text2);
  border-radius: 999px;
  padding: 8px 11px;
  font-size: 10px;
  letter-spacing: 0.12em;
}

.day-tab.is-active {
  background: rgba(123, 195, 214, 0.25);
  color: var(--text1);
}

.day-timeline {
  padding: 10px;
}

.timeline-header {
  margin: 0;
  border-left: 1px solid rgba(123, 195, 214, 0.4);
  padding-left: 10px;
  color: var(--text1);
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 14px;
  letter-spacing: 0.1em;
}

.timeline-sub {
  margin: 6px 0 8px;
  font-size: 10px;
  letter-spacing: 0.1em;
}

.timeline-grid {
  position: relative;
  border-top: 1px solid rgba(123, 195, 214, 0.14);
  overflow: hidden;
}

.time-line {
  position: absolute;
  left: 0;
  right: 0;
  border-top: 1px dashed rgba(123, 195, 214, 0.18);
}

.time-line span {
  position: absolute;
  top: -7px;
  left: 0;
  background: rgba(23, 52, 70, 0.84);
  padding-right: 6px;
  font-size: 9px;
}

.time-block {
  position: absolute;
  border: 1px solid rgba(123, 195, 214, 0.26);
  background: rgba(47, 90, 96, 0.5);
  border-radius: 10px;
  padding: 4px 6px;
  overflow: hidden;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 2px;
}

.time-block.sakaki {
  left: 46px;
  right: calc(50% + 4px);
}

.time-block.sei {
  left: calc(50% + 4px);
  right: 4px;
}

.time-block p {
  margin: 0;
  font-size: 8px;
  line-height: 1.2;
}

.time-block strong {
  display: block;
  color: var(--text1);
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 10px;
  font-weight: 500;
  line-height: 1.2;
}

.time-badge {
  display: inline-block;
  margin-right: 4px;
  padding: 1px 5px;
  border-radius: 999px;
  font-size: 8px;
  letter-spacing: 0.08em;
  border: 1px solid rgba(123, 195, 214, 0.35);
  background: rgba(23, 52, 70, 0.7);
}

.time-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2px;
}

.location-line {
  position: absolute;
  width: 5px;
  border-radius: 999px;
  background: var(--location-color, rgba(123, 195, 214, 0.7));
  box-shadow: 0 0 8px var(--location-color, rgba(123, 195, 214, 0.45));
  opacity: 0.95;
  z-index: 1;
  pointer-events: none;
}

.location-line.sakaki {
  left: 48px;
}

.location-line.sei {
  left: calc(50% + 8px);
}

.line-map {
  margin-top: 10px;
  border-top: 1px solid rgba(123, 195, 214, 0.2);
  padding-top: 10px;
}

.line-map-title {
  margin: 0 0 8px;
  font-size: 10px;
  letter-spacing: 0.1em;
}

.line-map-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px 10px;
}

.line-map-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 10px;
}

.route-swatch {
  width: 28px;
  height: 0;
  border-top: 5px solid var(--route-color, var(--sub));
  border-radius: 999px;
  filter: drop-shadow(0 0 3px var(--route-color, rgba(123, 195, 214, 0.45)));
}

.route-swatch.ozone {
  --route-color: var(--ozone);
}

.route-swatch.nakano {
  --route-color: var(--nakano);
}

.route-swatch.isaka {
  --route-color: var(--isaka);
}

.route-swatch.other {
  --route-color: var(--other);
}

.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(123, 195, 214, 0.14);
  border-top: 1px solid rgba(123, 195, 214, 0.2);
}

.nav-btn {
  border: 0;
  background: rgba(23, 52, 70, 0.96);
  color: var(--text2);
  padding: 11px 6px;
  font-size: 10px;
  letter-spacing: 0.14em;
}

.nav-btn.is-active {
  color: var(--text1);
  background: rgba(47, 90, 96, 0.95);
}

.edit-dialog {
  border: 1px solid rgba(123, 195, 214, 0.3);
  border-radius: 14px;
  background: rgba(23, 52, 70, 0.98);
  color: var(--text2);
  width: min(94vw, 460px);
  padding: 0;
}

.edit-dialog::backdrop {
  background: rgba(8, 16, 24, 0.6);
}

.edit-form {
  display: grid;
  gap: 10px;
  padding: 14px;
}

.edit-form h2 {
  margin: 0;
  color: var(--text1);
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 16px;
}

.edit-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.stars,
.glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.glow-accent::before,
.glow-sub::before {
  content: "";
  position: absolute;
  border-radius: 50%;
}

.glow-accent::before {
  width: 360px;
  height: 360px;
  right: -140px;
  top: -100px;
  background: rgba(93, 230, 209, 0.09);
  filter: blur(78px);
}

.glow-sub::before {
  width: 260px;
  height: 260px;
  left: -90px;
  bottom: -80px;
  background: rgba(123, 195, 214, 0.07);
  filter: blur(90px);
}

.star {
  position: absolute;
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  background: rgba(233, 240, 235, 0.45);
  animation: twinkle var(--duration) infinite ease-in-out;
}

@keyframes twinkle {
  0%,
  100% {
    opacity: 0;
  }
  50% {
    opacity: var(--opacity);
  }
}

.fade-up {
  animation: fadeUp 0.7s ease both;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 900px) {
  main {
    padding: 22px 10vw 110px;
  }

  .topbar {
    padding: 24px 10vw;
  }

  .card-block,
  .day-timeline {
    max-width: 760px;
  }
}

@media (min-width: 1100px) {
  main {
    display: grid;
    grid-template-columns: minmax(540px, 1.25fr) minmax(380px, 1fr);
    gap: 18px;
    align-items: start;
  }

  .page {
    display: block !important;
  }

  .page[data-page="timetable"] {
    grid-column: 1;
  }

  .page[data-page="input"] {
    grid-column: 2;
  }

  .bottom-nav {
    display: none;
  }
}