:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-2: #eef4f8;
  --text: #182230;
  --muted: #667085;
  --border: #d8e0ea;
  --accent: #1769aa;
  --accent-soft: #e7f1fb;
  --danger: #b42318;
  --danger-soft: #fff1f0;
  --warn: #946200;
  --warn-soft: #fff6df;
  --ok: #067647;
  --ok-soft: #eaf7ef;
  --shadow: 0 12px 30px rgba(16, 24, 40, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(180deg, #ffffff 0, var(--bg) 210px);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  line-height: 1.6;
}

button {
  font: inherit;
}

input,
select,
textarea {
  font: inherit;
}

a {
  color: inherit;
}

.app-shell {
  width: min(100%, 760px);
  margin: 0 auto;
  padding: 18px 14px calc(110px + env(safe-area-inset-bottom));
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.eyebrow {
  margin: 0 0 2px;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 24px;
  letter-spacing: 0.03em;
}

.icon-button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--accent);
  box-shadow: var(--shadow);
}

.text-button {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow);
}

.status-panel {
  display: grid;
  grid-template-columns: 1fr 110px;
  gap: 10px;
  margin-bottom: 14px;
}

.status-panel > div {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.label {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 2px;
}

.tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 0 12px;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
  display: none;
}

.tab {
  flex: 0 0 auto;
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  white-space: nowrap;
}

.tab.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  font-weight: 700;
}

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

.card {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.card h2 {
  margin: 2px 0 0;
  font-size: 18px;
  line-height: 1.35;
}

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

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 9px;
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 12px;
  border: 1px solid var(--border);
}

.badge.high {
  border-color: #f4b8b1;
  background: var(--danger-soft);
  color: var(--danger);
}

.badge.medium {
  border-color: #f0cf85;
  background: var(--warn-soft);
  color: var(--warn);
}

.badge.low {
  border-color: #a8dec0;
  background: var(--ok-soft);
  color: var(--ok);
}

.badge.surprise-up {
  border-color: #f4b8b1;
  background: var(--danger-soft);
}

.badge.surprise-down {
  border-color: #a7c9eb;
  background: var(--accent-soft);
}

.grid {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.info-row {
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fbfcfe;
}

.info-row span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 2px;
}

.body-text {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  white-space: pre-wrap;
}

.event-list {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.event-list h3 {
  margin: 0 0 10px;
  font-size: 16px;
  line-height: 1.4;
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.section-heading h3 {
  margin: 0;
}

.section-heading span {
  color: var(--muted);
  font-size: 12px;
}

.overview-panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #f7fbff;
  margin-top: 14px;
  overflow: hidden;
}

.event-panel {
  margin-top: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fbfcfe;
  overflow: hidden;
}

.summary-panel {
  margin-top: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fbfcfe;
  overflow: hidden;
}

.overview-panel-header,
.event-panel-header,
.summary-panel-header {
  display: grid;
  gap: 8px;
  align-items: center;
  padding: 12px;
  background: #fff7e6;
  cursor: pointer;
  list-style: none;
}

.overview-panel-header {
  grid-template-columns: minmax(0, 1fr);
  background: #e8f3ff;
}

.event-panel-header {
  grid-template-columns: minmax(0, 1fr) auto;
}

.summary-panel-header {
  grid-template-columns: minmax(0, 1fr);
}

.overview-panel-header::-webkit-details-marker,
.event-panel-header::-webkit-details-marker,
.summary-panel-header::-webkit-details-marker {
  display: none;
}

.event-page {
  grid-column: 2;
  grid-row: 1;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.overview-panel-header strong,
.event-panel-header strong,
.summary-panel-header strong {
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
  overflow: visible;
  white-space: normal;
  font-size: 16px;
  line-height: 1.4;
}

.overview-panel[open] .overview-panel-header {
  border-bottom: 1px solid var(--border);
  background: #d7ebff;
}

.event-panel[open] .event-panel-header,
.summary-panel[open] .summary-panel-header {
  border-bottom: 1px solid var(--border);
  background: #fff0c2;
}

.overview-panel-body,
.event-panel-body,
.summary-panel-body {
  padding: 12px;
}

.detail-list {
  display: grid;
  gap: 0;
}

.detail-row {
  display: grid;
  grid-template-columns: minmax(86px, 32%) 1fr;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid #e5ebf2;
  background: transparent;
}

.detail-row span,
.reference-links span {
  color: var(--muted);
  font-size: 12px;
}

.detail-row strong {
  white-space: pre-wrap;
  font-size: 14px;
  line-height: 1.55;
}

.detail-row:last-child {
  border-bottom: 0;
}

.reference-links {
  display: grid;
  grid-template-columns: minmax(86px, 32%) 1fr;
  gap: 6px 10px;
  padding: 8px 0 0;
  background: transparent;
}

.reference-links a {
  grid-column: 2;
  color: var(--accent);
  overflow-wrap: anywhere;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.message {
  padding: 18px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  color: var(--muted);
  background: var(--surface);
}

.admin-shell {
  padding-bottom: calc(28px + env(safe-area-inset-bottom));
}

.admin-panel,
.admin-result {
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.admin-result {
  margin-top: 14px;
}

.form-field {
  display: grid;
  gap: 6px;
}

.form-field span {
  color: var(--muted);
  font-size: 12px;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fbfcfe;
  color: var(--text);
}

.form-field input,
.form-field select {
  min-height: 44px;
  padding: 9px 10px;
}

.form-field textarea {
  min-height: 320px;
  padding: 10px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  line-height: 1.55;
}

.admin-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.admin-actions button {
  min-height: 46px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
}

.admin-actions #saveButton {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
}

.admin-result pre {
  margin: 0;
  padding: 12px;
  overflow-x: auto;
  border: 1px solid #e5ebf2;
  border-radius: 8px;
  background: #fbfcfe;
  color: var(--text);
  white-space: pre-wrap;
  font-size: 13px;
  line-height: 1.5;
}

.admin-result pre.error {
  border-color: #f4b8b1;
  background: var(--danger-soft);
  color: var(--danger);
}

.bottom-nav {
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: min(100%, 760px);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  padding: 10px 10px calc(18px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -10px 28px rgba(16, 24, 40, 0.08);
}

.bottom-nav button {
  min-height: 46px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
}

#aiGenerateButton {
  border-color: #c8860a;
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  color: #92400e;
  font-weight: 700;
}

#aiGenerateButton:disabled {
  opacity: 0.55;
  cursor: default;
}

.bottom-nav button:active,
.tab:active,
.icon-button:active {
  transform: translateY(1px);
}

@media (min-width: 720px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}