/*
 * テーマ: LP(lp.html) / trewoods.com に合わせた緑アクセントのフラットなデザイン。
 * 既定はOSの設定に従い、theme.js が <html data-theme="light|dark"> で上書きする。
 */
:root {
  color-scheme: light;
  --bg: #fbfcfa;
  --surface: #ffffff;
  --text: #1c261c;
  --muted: #6b7a6b;
  --border: rgba(28, 38, 28, 0.12);
  --accent: #3f8a46;
  --accent-hover: #33733a;
  --accent-ring: rgba(63, 138, 70, 0.2);
  --on-accent: #ffffff;
  --error: #c23b3b;
  --error-hover: #9c2e2e;
  --success: #2f8f4b;
  --warn: #b7791f;
  --input-bg: #ffffff;
  --cell-bg: #f6f8f5;
  --cell-hover-bg: #ecf3eb;
  --glow-1: rgba(95, 168, 95, 0.07);
  --glow-2: rgba(95, 168, 95, 0.05);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0a0f0a;
    --surface: #111911;
    --text: #e8efe4;
    --muted: #8a9c8a;
    --border: rgba(143, 207, 143, 0.14);
    --accent: #5fa85f;
    --accent-hover: #8fcf8f;
    --accent-ring: rgba(95, 168, 95, 0.3);
    --on-accent: #0a0f0a;
    --error: #e0697a;
    --error-hover: #ea8a97;
    --success: #6cc77a;
    --warn: #e0a84a;
    --input-bg: #0d140d;
    --cell-bg: rgba(255, 255, 255, 0.03);
    --cell-hover-bg: rgba(95, 168, 95, 0.1);
    --glow-1: rgba(40, 80, 40, 0.14);
    --glow-2: rgba(30, 70, 50, 0.12);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0a0f0a;
  --surface: #111911;
  --text: #e8efe4;
  --muted: #8a9c8a;
  --border: rgba(143, 207, 143, 0.14);
  --accent: #5fa85f;
  --accent-hover: #8fcf8f;
  --accent-ring: rgba(95, 168, 95, 0.3);
  --on-accent: #0a0f0a;
  --error: #e0697a;
  --error-hover: #ea8a97;
  --success: #6cc77a;
  --warn: #e0a84a;
  --input-bg: #0d140d;
  --cell-bg: rgba(255, 255, 255, 0.03);
  --cell-hover-bg: rgba(95, 168, 95, 0.1);
  --glow-1: rgba(40, 80, 40, 0.14);
  --glow-2: rgba(30, 70, 50, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Sora", "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  font-weight: 300;
  color: var(--text);
  background-color: var(--bg);
  background-image: radial-gradient(ellipse 600px 800px at 10% 15%, var(--glow-1), transparent),
    radial-gradient(ellipse 500px 600px at 90% 80%, var(--glow-2), transparent);
  background-attachment: fixed;
  background-repeat: no-repeat;
}

strong,
b {
  font-weight: 600;
}

a {
  color: var(--accent);
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 2rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

header h1 {
  margin: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.tabs {
  display: flex;
  gap: 0.25rem;
}

.tab {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  text-decoration: none;
  color: var(--muted);
  border: 1px solid transparent;
  font-size: 0.85rem;
  transition: color 0.15s ease, border-color 0.15s ease;
}

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

.tab.active {
  color: var(--accent);
  border-color: var(--border);
}

/* ヘッダーのボタン（ログアウトなど）は主張しすぎないアウトライン */
.header-actions button:not(.theme-toggle) {
  padding: 0.35rem 0.9rem;
  font-size: 0.85rem;
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.header-actions button:not(.theme-toggle):hover {
  border-color: var(--accent);
  color: var(--accent);
}

header a {
  color: var(--accent);
  font-size: 0.85rem;
  margin-right: 1rem;
}

main {
  max-width: 760px;
  margin: 2.5rem auto;
  padding: 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.card {
  max-width: 380px;
  margin: 4rem auto;
  padding: 2.25rem;
}

.card.wide {
  max-width: 500px;
}

.muted {
  color: var(--muted);
  font-size: 0.88rem;
}

.url-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.url-box code {
  background: var(--cell-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.4rem 0.7rem;
  font-size: 0.85rem;
  word-break: break-all;
}

.card,
section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

section {
  padding: 1.5rem;
}

h1 {
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}

h2 {
  font-size: 1.05rem;
  font-weight: 400;
  margin-top: 0;
}

form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--muted);
}

input,
select {
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  font-weight: 300;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
}

button {
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 0.95rem;
  font-family: inherit;
  font-weight: 400;
  letter-spacing: 0.02em;
  cursor: pointer;
  width: fit-content;
  transition: background 0.15s ease, border-color 0.15s ease;
}

button:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-ring);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

th,
td {
  text-align: left;
  padding: 0.65rem 0.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}

th {
  color: var(--accent);
  font-weight: 400;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

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

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

ul {
  padding-left: 1.2rem;
}

#menuList,
#seatList {
  list-style: none;
  padding-left: 0;
}

#menuList li,
#seatList li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
}

#menuList li:last-child,
#seatList li:last-child {
  border-bottom: none;
}

.danger-btn {
  background: transparent;
  border-color: var(--error);
  color: var(--error);
  padding: 0.25rem 0.7rem;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.danger-btn:hover {
  background: var(--error);
  border-color: var(--error);
  color: var(--on-accent);
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.calendar-header h2 {
  margin: 0;
}

/* 前後の月・週への移動は控えめなアウトラインボタン */
.calendar-header button {
  padding: 0.35rem 0.8rem;
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.calendar-header button:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: transparent;
}

.view-toggle {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.toggle-btn {
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 0.85rem;
}

.toggle-btn:hover {
  background: transparent;
  border-color: transparent;
  color: var(--text);
}

.toggle-btn.active {
  color: var(--accent);
  border-color: var(--border);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  grid-auto-rows: minmax(88px, auto);
  gap: 0.35rem;
}

.calendar-weekday {
  text-align: center;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  padding: 0.25rem 0;
}

.calendar-day {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--cell-bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  text-align: left;
  gap: 0.2rem;
  cursor: pointer;
  font: inherit;
  font-size: 0.75rem;
  padding: 0.4rem;
  overflow: hidden;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.calendar-day:hover {
  border-color: var(--accent);
  background: var(--cell-hover-bg);
}

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

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

.calendar-day.selected,
.calendar-day.selected:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

.calendar-day.selected .day-number {
  color: var(--on-accent);
}

.calendar-day.empty {
  border: none;
  background: transparent;
  cursor: default;
}

.day-number {
  font-weight: 400;
  font-size: 0.85rem;
}

.day-events {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  overflow: hidden;
}

.day-event {
  font-size: 0.65rem;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: 4px;
  padding: 0.05rem 0.3rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.day-event.cancelled {
  background: var(--muted);
  text-decoration: line-through;
}

.day-more {
  font-size: 0.65rem;
  color: var(--muted);
}

.week-grid {
  display: grid;
  grid-template-columns: 56px repeat(7, 1fr);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--cell-bg);
}

.week-header-cell {
  width: 100%;
  padding: 0.4rem 0.2rem;
  text-align: center;
  font: inherit;
  font-size: 0.75rem;
  border: none;
  border-bottom: 1px solid var(--border);
  border-left: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.week-header-cell:hover {
  background: var(--cell-hover-bg);
  border-color: var(--border);
}

.week-header-cell:first-child {
  border-left: none;
  cursor: default;
}

.week-header-cell.today {
  color: var(--accent);
  font-weight: 600;
}

.week-time-label {
  padding: 0.2rem;
  font-size: 0.68rem;
  color: var(--muted);
  text-align: right;
  border-top: 1px solid var(--border);
}

.week-cell {
  min-height: 38px;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
  padding: 0.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.week-event {
  font-size: 0.65rem;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: 4px;
  padding: 0.05rem 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.week-event.cancelled {
  background: var(--muted);
  text-decoration: line-through;
}

/* 予約フォームの日付カレンダー（空き状況 ◯△✕ 表示） */
.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field-label {
  font-size: 0.85rem;
  color: var(--muted);
}

.field .calendar-header {
  margin-bottom: 0.25rem;
}

.calendar-header button:disabled {
  opacity: 0.35;
  cursor: default;
}

.calendar-header button:disabled:hover {
  border-color: var(--border);
  color: var(--text);
}

.booking-calendar {
  grid-auto-rows: auto;
  gap: 0.3rem;
}

.booking-calendar .calendar-day {
  align-items: center;
  text-align: center;
  padding: 0.35rem 0.1rem;
  gap: 0.1rem;
}

.booking-calendar .calendar-day.unavailable {
  cursor: default;
  opacity: 0.45;
}

.booking-calendar .calendar-day.unavailable:hover {
  border-color: var(--border);
  background: var(--cell-bg);
}

.booking-calendar .calendar-day.today.unavailable:hover {
  border-color: var(--accent);
}

.mark {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
  min-height: 1.2em;
  color: var(--muted);
}

.mark.available {
  color: var(--success);
}

.mark.few {
  color: var(--warn);
}

.mark.full {
  color: var(--error);
}

.calendar-day.selected .mark,
.time-slot.selected .mark {
  color: var(--on-accent);
}

.availability-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem 0.5rem;
  margin: 0.25rem 0 0;
  font-size: 0.8rem;
}

.availability-legend .mark {
  font-size: 0.85rem;
}

.time-slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(116px, 1fr));
  gap: 0.4rem;
}

.time-slot {
  width: 100%;
  padding: 0.45rem 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--cell-bg);
  color: var(--text);
  font-size: 0.9rem;
}

.time-slot:hover {
  background: var(--cell-hover-bg);
  border-color: var(--accent);
}

.time-slot.selected,
.time-slot.selected:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

.time-slot.unavailable,
.time-slot.unavailable:hover {
  cursor: default;
  opacity: 0.45;
  background: var(--cell-bg);
  border-color: var(--border);
}

.time-slot .mark {
  font-size: 0.75rem;
}

/* ライト/ダーク切替（theme.js が挿入） */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.theme-toggle:hover {
  background: transparent;
  border-color: var(--accent);
  color: var(--accent);
}

.theme-toggle svg {
  width: 14px;
  height: 14px;
}

/* ヘッダーのないページ（ログイン・予約フォームなど）では右上に固定 */
.theme-toggle.floating {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 20;
  background: var(--surface);
}

@media (max-width: 640px) {
  header {
    padding: 0.8rem 1rem;
  }

  .card {
    margin: 4.5rem 1rem 2rem;
    padding: 1.75rem 1.25rem;
  }

  .card.wide {
    max-width: none;
  }
}