*, *::before, *::after {
  margin: 0; padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

:root {
  --bg:     #faf7f3;
  --card:   #ffffff;
  --border: rgba(0,0,0,0.09);
  --text:   #1e1e2d;
  --muted:  rgba(30,30,45,0.45);
  --sheet:  #faf8f6;

  --all:        #3A9B77;
  --all-bg:     rgba(58,155,119,0.10);
  --all-border: rgba(58,155,119,0.32);
  --papa:        #3B8FC0;
  --papa-bg:     rgba(59,143,192,0.10);
  --papa-border: rgba(59,143,192,0.32);
  --mama:        #D45C78;
  --mama-bg:     rgba(212,92,120,0.10);
  --mama-border: rgba(212,92,120,0.32);
  --kotone:        #E8782A;
  --kotone-bg:     rgba(232,120,42,0.10);
  --kotone-border: rgba(232,120,42,0.32);
}

body {
  font-family: 'Zen Maru Gothic', 'Noto Sans JP', sans-serif;
  background: linear-gradient(150deg, #fdf9f5 0%, #f4f0fc 100%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== Background Orbs ===== */
.bg-orbs {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0; overflow: hidden;
}
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(100px); opacity: 0.18;
  animation: orbFloat 16s ease-in-out infinite;
}
.orb1 { width: 500px; height: 500px; background: #a8d4f0; top: -120px; left: -100px; }
.orb2 { width: 400px; height: 400px; background: #f5afc0; bottom: -80px; right: -80px; animation-delay: 6s; }
.orb3 { width: 300px; height: 300px; background: #a8e0cb; top: 35%; left: 35%; animation-delay: 3s; }
@keyframes orbFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(20px,-20px) scale(1.06); }
}

/* ===== Page ===== */
.page {
  position: relative; z-index: 1;
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center;
  padding: 0 14px calc(90px + env(safe-area-inset-bottom));
}

.hidden { display: none !important; }

/* ===== Header ===== */
.app-header {
  width: 100%; max-width: 520px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 52px 0 18px;
  gap: 12px;
}
.header-left {
  display: flex; align-items: center; gap: 10px;
}
.app-icon { font-size: 26px; }
.app-title {
  font-size: 16px; font-weight: 700; letter-spacing: 0.02em;
  background: linear-gradient(135deg, var(--papa) 0%, var(--kotone) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.view-tabs {
  display: flex; background: rgba(0,0,0,0.05);
  border: 1px solid var(--border); border-radius: 12px; padding: 3px; gap: 2px;
}
.view-tab {
  border: none; background: transparent; color: var(--muted);
  font-size: 13px; font-weight: 700; padding: 6px 18px; border-radius: 9px;
  cursor: pointer; transition: all 0.2s; font-family: inherit;
}
.view-tab.active {
  background: white; color: var(--text);
  box-shadow: 0 1px 4px rgba(0,0,0,0.12);
}

/* ===== Navigation ===== */
.cal-nav {
  width: 100%; max-width: 520px;
  display: flex; align-items: center; gap: 8px; margin-bottom: 12px;
}
.cal-title {
  flex: 1; font-size: 17px; font-weight: 700;
  text-align: center; letter-spacing: 0.02em; color: var(--text);
}
.nav-btn {
  border: 1px solid var(--border); background: var(--card);
  color: var(--text); font-size: 22px;
  width: 38px; height: 38px; border-radius: 12px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s; font-family: inherit;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.nav-btn:active { background: rgba(0,0,0,0.05); }
.today-btn {
  border: 1px solid var(--border); background: var(--card);
  color: var(--muted); font-size: 11px; font-weight: 700;
  padding: 6px 12px; border-radius: 10px; cursor: pointer;
  font-family: inherit; letter-spacing: 0.05em;
  box-shadow: 0 1px 4px rgba(0,0,0,0.07);
  transition: all 0.15s;
}
.today-btn:active { background: rgba(0,0,0,0.06); color: var(--text); }

/* ===== Legend ===== */
.legend {
  display: flex; align-items: center; gap: 10px; margin-bottom: 14px;
}
.legend-dot {
  width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex-shrink: 0;
}
.all-dot    { background: var(--all); }
.papa-dot   { background: var(--papa); }
.mama-dot   { background: var(--mama); }
.kotone-dot { background: var(--kotone); }
.legend-label { font-size: 11px; color: var(--muted); margin-right: 4px; }

/* ===== Filter Row ===== */
.filter-row {
  display: flex; gap: 8px; margin-bottom: 14px;
}
.filter-btn {
  width: 58px; height: 58px; flex: none;
  border: 1px solid var(--border); background: var(--card);
  color: var(--muted); font-size: 12px; font-weight: 700;
  padding: 0; border-radius: 12px; cursor: pointer;
  transition: all 0.15s; font-family: inherit;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  line-height: 1.3;
}
.filter-btn:active { transform: scale(0.95); }
.filter-lock { font-size: 11px; }
.filter-btn:active { transform: scale(0.96); }
.filter-btn.active[data-filter="all"]          { background: var(--all-bg);  border-color: var(--all-border);  color: var(--all); }
.filter-btn.active[data-filter="papa_private"] { background: var(--papa-bg); border-color: var(--papa-border); color: var(--papa); }
.filter-btn.active[data-filter="mama_private"] { background: var(--mama-bg); border-color: var(--mama-border); color: var(--mama); }

/* ===== Calendar Section ===== */
.cal-section { width: 100%; max-width: 520px; }

/* ===== Month View ===== */
.dow-header {
  display: grid; grid-template-columns: repeat(7, 1fr);
  margin-bottom: 4px;
}
.dow-header span {
  text-align: center; font-size: 11px; font-weight: 700;
  color: var(--muted); padding: 4px 0;
}
.dow-header .dow-sun { color: #D45C78; }
.dow-header .dow-sat { color: #3B8FC0; }

.month-grid {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px;
}

.day-cell {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 6px 3px 5px; min-height: 62px; cursor: pointer;
  display: flex; flex-direction: column; align-items: center;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  transition: box-shadow 0.15s, border-color 0.15s;
}
.day-cell:active { background: rgba(0,0,0,0.03); }
.day-cell.empty { background: transparent; border-color: transparent; box-shadow: none; cursor: default; }
.day-cell.today { border-color: var(--papa); border-width: 2px; }
.day-cell.today .day-num {
  background: var(--papa); color: white;
  border-radius: 50%; width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
}

.day-num {
  font-size: 12px; font-weight: 700; line-height: 1; margin-bottom: 4px;
  width: 22px; height: 22px; display: flex; align-items: center; justify-content: center;
  color: var(--text);
}
.day-cell.sun .day-num { color: var(--mama); }
.day-cell.sat .day-num { color: var(--papa); }

.day-dots {
  display: flex; flex-wrap: wrap; gap: 2px; justify-content: center;
}
.day-dot {
  width: 6px; height: 6px; border-radius: 50%;
}

/* ===== Week View ===== */
.week-scroll {
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  border-radius: 12px;
}
.week-grid {
  min-width: 520px;
}

.week-header-row {
  display: grid; grid-template-columns: 40px repeat(7, 1fr);
  gap: 3px; margin-bottom: 3px;
}
.week-header-corner { /* empty */ }
.week-day-label {
  text-align: center; padding: 4px 2px;
  font-size: 10px; font-weight: 700; color: var(--muted);
}
.week-day-label .wday-num {
  display: block; font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 1px;
}
.week-day-label.today-col .wday-num {
  background: var(--papa); color: white;
  border-radius: 50%; width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 1px;
}
.week-day-label.sun-col .wday-num { color: var(--mama); }
.week-day-label.sat-col .wday-num { color: var(--papa); }
.week-day-label.today-col .wday-num { color: white; }

.week-member-row {
  display: grid; grid-template-columns: 40px 1fr;
  gap: 3px; margin-bottom: 4px; align-items: stretch;
}
.week-member-label {
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; border-radius: 8px; padding: 6px 2px;
  writing-mode: vertical-rl; text-orientation: mixed;
}
.week-member-label.all    { color: var(--all);    background: var(--all-bg); }
.week-member-label.papa   { color: var(--papa);   background: var(--papa-bg); }
.week-member-label.mama   { color: var(--mama);   background: var(--mama-bg); }
.week-member-label.kotone { color: var(--kotone); background: var(--kotone-bg); }

/* ===== Week Bar Layout ===== */
.week-days-wrapper {
  position: relative; min-height: 76px;
}
.week-bg-grid {
  display: grid; grid-template-columns: repeat(7, 1fr);
  gap: 3px; position: absolute; inset: 0;
}
.week-bg-cell {
  background: var(--card); border: 1px solid var(--border); border-radius: 8px;
  cursor: pointer; transition: background 0.15s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.week-bg-cell:active { background: rgba(0,0,0,0.03); }
.week-bg-cell.today-col { border-color: var(--papa); border-width: 2px; }
.week-bg-cell.weekend-col { background: rgba(0,0,0,0.02); }

.week-ev-layer {
  display: grid; grid-template-columns: repeat(7, 1fr);
  grid-auto-rows: auto; align-items: start; gap: 3px;
  padding: 5px 0; position: relative; z-index: 1;
  pointer-events: none;
}
.week-event-bar {
  pointer-events: all;
  font-size: 10px; padding: 3px 6px;
  border: 1px solid transparent; line-height: 1.4;
  cursor: pointer; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
  transition: opacity 0.1s;
}
.week-event-bar:active { opacity: 0.7; }
.week-event-bar.confirmed {
  border-width: 2px;
  font-weight: 700;
}

/* ===== FAB ===== */
.fab {
  position: fixed;
  bottom: calc(28px + env(safe-area-inset-bottom));
  right: 24px;
  width: 56px; height: 56px; border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--papa) 0%, var(--kotone) 100%);
  color: #fff; font-size: 28px; font-weight: 300;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(59,143,192,0.35); z-index: 100;
  transition: transform 0.15s, box-shadow 0.15s; font-family: inherit;
}
.fab:active { transform: scale(0.90); box-shadow: 0 2px 10px rgba(59,143,192,0.25); }

/* ===== Modal ===== */
.modal-wrap {
  position: fixed; inset: 0; z-index: 200;
  display: flex; align-items: flex-end; justify-content: center;
}
.modal-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.32);
  backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
}
.modal-sheet {
  position: relative; z-index: 1;
  width: 100%; max-width: 540px;
  background: var(--sheet);
  border-radius: 24px 24px 0 0;
  border: 1px solid rgba(0,0,0,0.08); border-bottom: none;
  padding: 10px 20px calc(28px + env(safe-area-inset-bottom));
  max-height: 90vh; overflow-y: auto;
  box-shadow: 0 -4px 30px rgba(0,0,0,0.12);
  animation: slideUp 0.28s cubic-bezier(0.34,1.1,0.64,1);
}
@keyframes slideUp {
  from { transform: translateY(100%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}
.modal-drag-handle {
  width: 38px; height: 4px; background: var(--border);
  border-radius: 2px; margin: 0 auto 14px;
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px;
}
.modal-title { font-size: 16px; font-weight: 700; color: var(--text); }
.modal-close-btn {
  border: none; background: rgba(0,0,0,0.07); color: var(--muted);
  width: 30px; height: 30px; border-radius: 50%; cursor: pointer;
  font-size: 13px; display: flex; align-items: center; justify-content: center;
  font-family: inherit;
}
.modal-body { display: flex; flex-direction: column; gap: 16px; }

/* ===== Day Modal ===== */
.day-event-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 4px; }
.day-event-row {
  display: flex; align-items: center; gap: 10px;
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 12px 14px; cursor: pointer; transition: background 0.15s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.day-event-row:active { background: rgba(0,0,0,0.04); }
.day-event-member-dot {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
}
.day-event-info { flex: 1; min-width: 0; }
.day-event-label {
  display: block; font-size: 14px; font-weight: 600; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.day-event-meta {
  display: block; font-size: 11px; color: var(--muted); margin-top: 2px;
}
.day-event-badge { font-size: 14px; flex-shrink: 0; }

/* ===== Add Modal ===== */
.modal-date-badge {
  background: rgba(0,0,0,0.05); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 14px;
  font-size: 14px; font-weight: 600; color: var(--text); text-align: center;
}
.form-section { display: flex; flex-direction: column; gap: 8px; }
.form-label {
  font-size: 10px; font-weight: 700; color: var(--muted);
  letter-spacing: 0.10em; text-transform: uppercase;
}

/* 日をまたぐ toggle */
.multiday-toggle-row {
  display: flex; align-items: center;
}
.toggle-row {
  display: flex; align-items: center; gap: 8px; cursor: pointer;
}
.toggle-check {
  width: 16px; height: 16px; cursor: pointer;
  accent-color: var(--papa);
}
.toggle-label-text {
  font-size: 13px; color: var(--muted); font-weight: 500;
}

/* Date end input */
.date-input {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; color: var(--text);
  font-size: 16px; font-family: inherit;
  padding: 10px 14px; width: 100%; outline: none;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  transition: border-color 0.2s;
}
.date-input:focus { border-color: var(--papa); }

/* Member selector */
.member-selector { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.member-btn {
  border: 2px solid var(--border); background: var(--card);
  color: var(--muted); font-size: 14px; font-weight: 700;
  padding: 12px 8px; border-radius: 14px; cursor: pointer;
  transition: all 0.15s; font-family: inherit;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.member-btn:active { transform: scale(0.95); }
.member-btn.selected[data-member="all"]    { background: var(--all-bg);    border-color: var(--all-border);    color: var(--all); }
.member-btn.selected[data-member="papa"]   { background: var(--papa-bg);   border-color: var(--papa-border);   color: var(--papa); }
.member-btn.selected[data-member="mama"]   { background: var(--mama-bg);   border-color: var(--mama-border);   color: var(--mama); }
.member-btn.selected[data-member="kotone"] { background: var(--kotone-bg); border-color: var(--kotone-border); color: var(--kotone); }

/* Event type grid */
.event-type-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; }
.event-type-btn {
  border: 1px solid var(--border); background: var(--card);
  color: var(--text); font-size: 13px; font-weight: 500;
  padding: 10px 12px; border-radius: 12px; cursor: pointer;
  display: flex; align-items: center; gap: 6px; text-align: left;
  transition: all 0.15s; font-family: inherit;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.event-type-btn:active { transform: scale(0.97); }
.event-type-btn.selected {
  background: rgba(59,143,192,0.08); border-color: var(--papa-border); color: var(--papa);
}
.custom-input {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  color: var(--text); font-size: 15px; font-family: inherit;
  padding: 12px 16px; width: 100%; outline: none;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  transition: border-color 0.2s;
}
.custom-input:focus { border-color: var(--papa); }

/* Time type */
.time-type-row { display: flex; gap: 6px; flex-wrap: wrap; }
.time-type-btn {
  flex: 1; min-width: 56px;
  border: 1px solid var(--border); background: var(--card);
  color: var(--text); font-size: 11px; font-weight: 600;
  padding: 10px 4px; border-radius: 12px; cursor: pointer; text-align: center;
  transition: all 0.15s; font-family: inherit;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.time-type-btn:active { transform: scale(0.97); }
.time-type-btn.selected {
  background: rgba(59,143,192,0.08); border-color: var(--papa-border); color: var(--papa);
}
.custom-time-row {
  display: flex; align-items: center; gap: 8px;
}
.time-input {
  flex: 1; background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; color: var(--text); font-size: 16px;
  font-family: inherit; padding: 8px 12px; outline: none;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  transition: border-color 0.2s;
}
.time-input:focus { border-color: var(--papa); }
.time-sep { color: var(--muted); font-size: 16px; }

/* Buttons */
.primary-btn {
  width: 100%; padding: 15px; border: none; border-radius: 16px;
  background: linear-gradient(135deg, var(--papa), var(--kotone));
  color: #fff; font-size: 16px; font-weight: 700; cursor: pointer;
  font-family: inherit; transition: opacity 0.15s, transform 0.15s; margin-top: 4px;
  box-shadow: 0 3px 12px rgba(59,143,192,0.30);
}
.primary-btn:active { opacity: 0.85; transform: scale(0.98); }

.outline-btn {
  width: 100%; padding: 13px; border: 1px solid var(--border);
  border-radius: 14px; background: var(--card);
  color: var(--text); font-size: 14px; font-weight: 600;
  cursor: pointer; font-family: inherit; transition: background 0.15s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.outline-btn:active { background: rgba(0,0,0,0.04); }

/* ===== Detail Modal ===== */
.detail-event-header {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; border-radius: 14px;
}
.detail-event-emoji { font-size: 30px; line-height: 1; }
.detail-event-info { flex: 1; }
.detail-event-name { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.detail-event-meta { font-size: 12px; color: var(--muted); line-height: 1.6; }

.confirmed-badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; color: var(--kotone);
  background: var(--kotone-bg); border: 1px solid var(--kotone-border);
  border-radius: 20px; padding: 5px 12px;
}

.detail-section-label {
  font-size: 10px; font-weight: 700; color: var(--muted);
  letter-spacing: 0.10em; text-transform: uppercase;
}
.comment-display {
  background: rgba(0,0,0,0.04); border: 1px solid var(--border);
  border-radius: 12px; padding: 12px 14px;
  font-size: 13px; color: var(--text); line-height: 1.7; white-space: pre-wrap;
}

.action-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.action-btn {
  border: 1px solid var(--border); background: var(--card);
  color: var(--text); font-size: 13px; font-weight: 600;
  padding: 13px 8px; border-radius: 14px; cursor: pointer;
  text-align: center; font-family: inherit; line-height: 1.4;
  transition: all 0.15s; box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.action-btn:active { opacity: 0.8; transform: scale(0.97); }
.action-btn.confirmed {
  background: var(--kotone-bg); border-color: var(--kotone-border); color: var(--kotone);
}
.action-btn.discussing {
  background: rgba(245,158,11,0.10); border-color: rgba(245,158,11,0.35); color: #D97706;
}

.comment-form { display: flex; flex-direction: column; gap: 8px; }
.comment-textarea {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  color: var(--text); font-size: 14px; font-family: inherit;
  padding: 12px 14px; resize: none; height: 80px; outline: none;
  transition: border-color 0.2s;
}
.comment-textarea:focus { border-color: var(--papa); }
.comment-save-btn {
  padding: 12px; border: none; border-radius: 12px;
  background: rgba(217,119,6,0.85); color: #fff;
  font-size: 14px; font-weight: 700; cursor: pointer; font-family: inherit;
}
.comment-save-btn:active { opacity: 0.85; }

.line-btn {
  width: 100%; padding: 14px; border: none; border-radius: 14px;
  background: #06C755; color: #fff;
  font-size: 15px; font-weight: 700; cursor: pointer; font-family: inherit;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: opacity 0.15s;
}
.line-btn:active { opacity: 0.85; }

.detail-action-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}
.edit-btn {
  padding: 12px; cursor: pointer; font-family: inherit;
  border: 1px solid var(--papa-border); border-radius: 12px;
  background: var(--papa-bg); color: var(--papa);
  font-size: 13px; font-weight: 600; transition: all 0.15s;
}
.edit-btn:active { opacity: 0.8; }
.delete-btn {
  padding: 12px; cursor: pointer; font-family: inherit;
  border: 1px solid rgba(200,50,50,0.20); border-radius: 12px;
  background: rgba(200,50,50,0.05); color: rgba(180,60,60,0.75);
  font-size: 13px; transition: all 0.15s;
}
.delete-btn:active { background: rgba(200,50,50,0.10); }

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: calc(96px + env(safe-area-inset-bottom));
  left: 50%; transform: translateX(-50%) translateY(16px);
  background: rgba(30,30,45,0.92); border: 1px solid transparent;
  border-radius: 20px; padding: 10px 22px;
  font-size: 13px; font-weight: 600; color: white;
  opacity: 0; transition: opacity 0.25s, transform 0.25s;
  white-space: nowrap; backdrop-filter: blur(8px); z-index: 300;
  pointer-events: none; box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ===== Responsive ===== */
@media (min-width: 480px) {
  .app-title { font-size: 18px; }
  .day-cell { min-height: 70px; }
  .week-chip { font-size: 10px; }
}