:root {
  --bg: #0b0b0c;
  --panel: #151518;
  --panel-2: #202026;
  --line: #343238;
  --text: #f7f4ef;
  --muted: #bab2a6;
  --brand: #ccb383;
  --brand-2: #e0cfa6;
  --danger: #e76f51;
  --ok: #4fb286;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
}

body {
  margin: 0;
  min-width: 320px;
}

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

button {
  border: 0;
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% -20%, rgba(204, 179, 131, 0.22), transparent 32rem),
    linear-gradient(180deg, #111114 0%, #0b0b0c 42%, #09090a 100%);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px 12px;
  border-bottom: 1px solid rgba(204, 179, 131, 0.18);
  background: rgba(11, 11, 12, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(204, 179, 131, 0.55);
  background: #101012;
  color: var(--brand);
  font-weight: 800;
  letter-spacing: 0;
}

.brand-title {
  margin: 0;
  font-size: 15px;
  line-height: 1.15;
}

.brand-subtitle {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.role-switcher {
  display: grid;
  grid-template-columns: repeat(3, minmax(56px, 1fr));
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  background: #0f0f12;
}

.role-switcher button {
  min-height: 34px;
  padding: 0 8px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
}

.role-switcher button.active {
  background: var(--brand);
  color: #111;
  font-weight: 700;
}

.sync-status {
  flex: 0 0 auto;
  padding: 7px 9px;
  border: 1px solid rgba(204, 179, 131, 0.28);
  background: rgba(204, 179, 131, 0.08);
  color: var(--brand-2);
  font-size: 11px;
  white-space: nowrap;
}

.logout-btn {
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid rgba(204, 179, 131, 0.28);
  background: transparent;
  color: var(--muted);
  font-size: 12px;
}

.login-shell {
  display: grid;
  place-items: center;
  padding: 22px;
}

.login-panel {
  width: min(420px, 100%);
  padding: 22px;
  border: 1px solid rgba(204, 179, 131, 0.26);
  background: rgba(21, 21, 24, 0.96);
  box-shadow: var(--shadow);
}

.login-brand {
  margin-bottom: 22px;
}

.login-panel h1 {
  margin: 0 0 16px;
  font-size: 30px;
}

.login-error {
  margin: 0;
  padding: 10px 12px;
  border: 1px solid rgba(231, 111, 81, 0.45);
  background: rgba(231, 111, 81, 0.12);
  color: #ffb6a6;
  font-size: 13px;
}

.login-choice {
  display: grid;
  gap: 12px;
}

.login-choice-card {
  display: grid;
  gap: 8px;
  padding: 16px;
  border: 1px solid rgba(204, 179, 131, 0.32);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  text-decoration: none;
}

.login-choice-card strong {
  font-size: 18px;
}

.login-choice-card small {
  color: var(--muted);
  line-height: 1.5;
}

.login-choice-card:hover {
  border-color: var(--brand);
  background: rgba(204, 179, 131, 0.12);
}

.login-back-link {
  display: inline-flex;
  justify-content: center;
  color: var(--muted);
  font-size: 12px;
  text-decoration: none;
}

.container {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 18px 14px 92px;
}

.hero {
  min-height: 168px;
  display: grid;
  align-content: end;
  gap: 14px;
  padding: 22px;
  border: 1px solid rgba(204, 179, 131, 0.2);
  background:
    linear-gradient(135deg, rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.72)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 22px),
    linear-gradient(135deg, #2a292c, #0d0d0f 72%);
  box-shadow: var(--shadow);
}

.hero h1 {
  margin: 0;
  font-size: clamp(28px, 8vw, 54px);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero p {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.quick-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.booking-field-setting {
  display: grid;
  grid-template-columns: minmax(74px, auto) 1fr;
  gap: 12px;
  align-items: end;
}

.switch-line {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
}

.switch-line input {
  width: 20px;
  height: 20px;
  accent-color: var(--brand);
}

.option-check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 12px;
}

.option-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.option-chip {
  padding: 8px 10px;
  border: 1px solid var(--line);
  background: #ffffff;
  color: #191919;
  font-size: 13px;
  font-weight: 800;
}

.option-chip.muted {
  color: var(--muted);
  background: transparent;
}

.btn {
  min-height: 46px;
  padding: 0 14px;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  font-weight: 700;
}

.btn.primary {
  background: var(--brand);
  color: #101012;
  border-color: var(--brand);
}

.btn.danger {
  color: #fff;
  background: var(--danger);
  border-color: var(--danger);
}

.section {
  margin-top: 18px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.full-span {
  grid-column: 1 / -1;
}

.section h2 {
  margin: 0;
  font-size: 18px;
}

.hint {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

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

.grid.two,
.grid.three,
.grid.four {
  grid-template-columns: 1fr;
}

.card {
  border: 1px solid var(--line);
  background: rgba(21, 21, 24, 0.92);
  padding: 14px;
}

.metric {
  display: grid;
  gap: 8px;
  min-height: 104px;
}

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

.metric strong {
  font-size: 26px;
}

.metric small {
  color: var(--brand-2);
}

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

.list-item {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.client-item {
  gap: 12px;
}

.client-plan-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.client-plan-box {
  display: grid;
  gap: 7px;
  min-height: 112px;
  padding: 12px;
  border: 1px solid var(--line);
  background: #111113;
}

.client-plan-box > span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.client-plan-box > strong {
  color: var(--text);
  font-size: 15px;
  line-height: 1.35;
}

.client-plan-box.option-plan {
  border-color: rgba(204, 179, 131, 0.42);
  background: rgba(204, 179, 131, 0.08);
}

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

.client-balance-row b {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 8px;
  background: #ffffff;
  color: #111113;
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 14px;
}

.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.row.wrap {
  flex-wrap: wrap;
}

.title {
  margin: 0;
  font-weight: 800;
}

.meta {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  background: rgba(204, 179, 131, 0.14);
  color: var(--brand-2);
  border: 1px solid rgba(204, 179, 131, 0.28);
  font-size: 11px;
  white-space: nowrap;
}

.badge.ok {
  color: #bff3d9;
  border-color: rgba(79, 178, 134, 0.4);
  background: rgba(79, 178, 134, 0.16);
}

.badge.danger {
  color: #ffd2c9;
  border-color: rgba(231, 111, 81, 0.45);
  background: rgba(231, 111, 81, 0.16);
}

.tabs {
  display: flex;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  background: #101012;
}

.tabs button {
  min-height: 34px;
  flex: 1;
  background: transparent;
  color: var(--muted);
}

.tabs button.active {
  background: var(--panel-2);
  color: var(--text);
}

.calendar {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}

.day,
.weekday {
  min-height: 48px;
  padding: 8px 4px;
  text-align: center;
  border: 1px solid var(--line);
  background: var(--panel);
}

.weekday {
  min-height: 30px;
  color: var(--muted);
  font-size: 11px;
  background: transparent;
}

.day.has-slot {
  border-color: rgba(204, 179, 131, 0.42);
}

.day.open {
  border-color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.1);
}

.day.limited {
  border-color: #f59e0b;
  background: rgba(245, 158, 11, 0.14);
}

.day.full {
  border-color: #ef4444;
  background: rgba(239, 68, 68, 0.14);
  opacity: 0.62;
  cursor: not-allowed;
}

.day strong {
  display: block;
  font-size: 14px;
}

.day span,
.day small {
  display: block;
}

.day span {
  color: var(--brand-2);
  font-size: 10px;
}

.day small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 10px;
}

.availability-mark {
  margin-top: 4px;
  font-size: 18px !important;
  font-weight: 800;
  line-height: 1;
}

.day.open .availability-mark,
.mark-open {
  color: #ffffff;
}

.day.limited .availability-mark,
.mark-limited {
  color: #fbbf24;
}

.day.full .availability-mark,
.mark-full {
  color: #f87171;
}

.availability-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

.availability-legend span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.availability-trainer {
  max-width: 280px;
  margin-bottom: 10px;
}

.availability-board {
  width: 100%;
  overflow-x: auto;
  border: 1px solid #d7d1c7;
  background: #fbfaf7;
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.28);
}

.board-row {
  display: grid;
  grid-template-columns: 64px repeat(7, minmax(74px, 1fr));
  min-width: 582px;
}

.board-head {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f1ede5;
}

.board-cell,
.board-slot {
  min-height: 44px;
  display: grid;
  place-items: center;
  border-right: 1px solid #ded8cf;
  border-bottom: 1px solid #ded8cf;
}

.board-cell {
  padding: 6px;
  color: #61594f;
  font-size: 12px;
  text-align: center;
}

.date-cell strong {
  color: #171717;
  font-size: 11px;
  line-height: 1.25;
}

.time-cell {
  position: sticky;
  left: 0;
  z-index: 2;
  background: #f1ede5;
  color: #2c2925;
  font-weight: 800;
}

.board-slot {
  background: #ffffff;
  color: #171717;
  font-size: 20px;
  font-weight: 900;
}

.board-slot.open {
  border-color: #d8d2c8;
}

.board-slot.full {
  background: #fff1f1;
  color: #d01818;
  cursor: not-allowed;
}

.slot-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  margin-top: 12px;
}

.slot {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--line);
  background: #101012;
  color: var(--text);
}

.slot strong {
  font-size: 12px;
}

.slot span {
  font-size: 18px;
  font-weight: 800;
}

.slot.open {
  border-color: rgba(255, 255, 255, 0.58);
  background: rgba(255, 255, 255, 0.1);
}

.slot.open span {
  color: #ffffff;
}

.slot.full {
  border-color: #ef4444;
  background: rgba(239, 68, 68, 0.14);
  opacity: 0.58;
  cursor: not-allowed;
}

.slot.full span {
  color: #f87171;
}

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

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

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

.field input,
.field select,
.field textarea,
.admin-plan-select {
  width: 100%;
  min-height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  background: #101012;
  color: var(--text);
}

.admin-plan-select {
  width: min(240px, 100%);
}

.field textarea {
  min-height: 88px;
  resize: vertical;
}

.progress {
  height: 8px;
  overflow: hidden;
  background: #0f0f12;
  border: 1px solid var(--line);
}

.progress > span {
  display: block;
  height: 100%;
  background: var(--brand);
}

.table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  font-size: 13px;
}

.table th,
.table td {
  padding: 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.table th {
  color: var(--muted);
  font-weight: 600;
}

.schedule-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 12px;
}

.week-heading > div:first-child {
  display: grid;
  gap: 4px;
}

.week-controls {
  display: flex;
  gap: 6px;
}

.week-arrow {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  font-size: 28px;
  line-height: 1;
}

.week-arrow:active {
  background: var(--brand);
  color: #101012;
}

.schedule-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.schedule-legend i {
  width: 10px;
  height: 10px;
  background: currentColor;
}

.schedule-scroll {
  overflow-x: auto;
  border: 1px solid #d8d2c8;
  background: #fff;
  box-shadow: var(--shadow);
}

.schedule-calendar {
  display: grid;
  grid-template-columns: 58px repeat(var(--schedule-columns), minmax(150px, 1fr));
  grid-template-rows: 46px 672px;
  min-width: calc(58px + var(--schedule-columns) * 150px);
  color: #171717;
}

.schedule-corner,
.schedule-column-head {
  position: sticky;
  top: 0;
  z-index: 4;
  display: grid;
  place-items: center;
  border-right: 1px solid #d8d2c8;
  border-bottom: 1px solid #d8d2c8;
  background: #f1ede5;
  font-size: 12px;
  font-weight: 800;
}

.schedule-corner {
  left: 0;
  z-index: 5;
}

.schedule-times {
  position: sticky;
  left: 0;
  z-index: 3;
  background: #f8f6f1;
  border-right: 1px solid #d8d2c8;
}

.schedule-times span {
  position: absolute;
  right: 7px;
  transform: translateY(-7px);
  color: #61594f;
  font-size: 10px;
  font-weight: 700;
}

.schedule-times span:first-child {
  transform: translateY(5px);
}

.schedule-column {
  position: relative;
  border-right: 1px solid #d8d2c8;
  background: repeating-linear-gradient(to bottom, #fff 0, #fff 27px, #eeeae3 28px, #fff 29px, #fff 55px, #d8d2c8 56px);
}

.schedule-slot-button {
  position: absolute;
  left: 0;
  right: 0;
  z-index: 1;
  height: 24px;
  min-height: 24px;
  transform: translateY(-5px);
  border-top: 1px solid transparent;
  background: transparent;
  touch-action: manipulation;
}

.schedule-slot-button:hover,
.schedule-slot-button:focus-visible {
  outline: 0;
  border-color: #ccb383;
  background: rgba(204, 179, 131, 0.22);
}

.schedule-slot-button:active {
  background: rgba(204, 179, 131, 0.34);
}

.schedule-closed {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  background: rgba(238, 234, 227, 0.78);
  color: #8a8176;
  font-size: 12px;
  font-weight: 800;
  writing-mode: vertical-rl;
}

.schedule-event {
  position: absolute;
  z-index: 2;
  overflow: hidden;
  padding: 6px;
  border-left: 4px solid currentColor;
  border-top: 0;
  border-right: 0;
  border-bottom: 0;
  color: #171717;
  font-size: 10px;
  line-height: 1.35;
  text-align: left;
  touch-action: manipulation;
}

.schedule-event:active,
.schedule-event:focus-visible {
  outline: 2px solid #111113;
  outline-offset: -2px;
  filter: brightness(0.96);
}

.schedule-event strong,
.schedule-event span {
  display: block;
}

.schedule-event span {
  margin-top: 2px;
  color: #443f38;
  font-size: 9px;
}

.schedule-event.trainer-t001 {
  background: #ffe66d;
  color: #6f5400;
}

.schedule-event.trainer-t002 {
  background: #ff8fab;
  color: #7d1733;
}

.schedule-event.trainer-t003 {
  background: #8fd8ff;
  color: #075477;
}

.schedule-legend .trainer-t001 {
  color: #ffe66d;
}

.schedule-legend .trainer-t002 {
  color: #ff8fab;
}

.schedule-legend .trainer-t003 {
  color: #8fd8ff;
}

.chart {
  display: grid;
  gap: 8px;
}

.bar {
  display: grid;
  grid-template-columns: 76px 1fr 42px;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.bar-track {
  height: 12px;
  background: #101012;
  border: 1px solid var(--line);
}

.bar-track span {
  display: block;
  height: 100%;
  background: var(--brand);
}

.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(var(--nav-columns), 1fr);
  gap: 4px;
  padding: 8px 10px max(8px, env(safe-area-inset-bottom));
  border-top: 1px solid rgba(204, 179, 131, 0.18);
  background: rgba(11, 11, 12, 0.94);
  backdrop-filter: blur(18px);
}

.bottom-nav button {
  min-height: 48px;
  display: grid;
  place-items: center;
  gap: 2px;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
}

.bottom-nav button.active {
  color: var(--brand-2);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  align-items: end;
  background: rgba(0, 0, 0, 0.62);
}

.modal {
  width: min(680px, calc(100% - 28px));
  max-height: min(86vh, 760px);
  overflow: auto;
  margin: 0 auto;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.toast {
  position: fixed;
  left: 14px;
  right: 14px;
  bottom: 86px;
  z-index: 50;
  padding: 12px 14px;
  background: var(--brand);
  color: #101012;
  font-weight: 700;
  box-shadow: var(--shadow);
}

@media (max-width: 719px) {
  .topbar {
    flex-wrap: wrap;
  }

  .client-plan-grid {
    grid-template-columns: 1fr;
  }

  .schedule-slot-button {
    height: 30px;
    min-height: 30px;
    transform: translateY(-8px);
  }

  .sync-status {
    order: 3;
    flex: 1 1 auto;
    text-align: center;
  }

  .logout-btn {
    order: 4;
  }
}

@media (min-width: 720px) {
  .container {
    padding: 24px 22px 104px;
  }

  .hero {
    min-height: 240px;
    padding: 34px;
  }

  .grid.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .grid.four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .quick-actions {
    width: min(520px, 100%);
  }

  .slot-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .bottom-nav {
    left: 50%;
    right: auto;
    bottom: 16px;
    width: min(560px, calc(100% - 32px));
    transform: translateX(-50%);
    border: 1px solid rgba(204, 179, 131, 0.2);
  }

  .modal-backdrop {
    align-items: center;
    padding: 24px;
  }

  .modal {
    width: min(680px, calc(100% - 48px));
  }
}