/* ==========================================================================
   TOTOKNOW — L'Art de S'Aligner
   Design System & Styling
   ========================================================================== */

:root {
  --noir: #0B0B0B;
  --noir-soft: #161513;
  --charcoal: #2A2927;
  --ivoire: #FAF8F5;
  --ivoire-card: #FFFFFF;
  --champagne: #BFA98A;
  --champagne-light: #F4EFEA;
  --champagne-muted: #D8CFC2;
  --warm-grey: #736F67;
  --light-grey: #E8E5DF;
  
  --hairline: rgba(191, 169, 138, 0.35);
  --hairline-dark: rgba(11, 11, 11, 0.08);

  /* Status Colors (3つの厳格な状態区分) */
  --status-completed: #3B7A57;       /* 実施した (深緑) */
  --status-completed-bg: #EAF4EE;
  --status-rested: #B28228;          /* ★意識して休んだ (品のあるゴールド/アンバー) */
  --status-rested-bg: #FDF6E9;
  --status-missed: #8C8881;          /* 未記録 (ウォームグレー) */
  --status-missed-bg: #F0EEEA;

  /* Typography */
  --font-serif: 'Cormorant Garamond', 'Noto Serif JP', 'Hiragino Mincho ProN', 'Yu Mincho', Georgia, serif;
  --font-sans: 'Zen Kaku Gothic New', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
  --shadow-elevated: 0 10px 30px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--ivoire);
  color: var(--noir);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  min-height: 100vh;
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.app-header {
  background: var(--noir);
  color: var(--ivoire);
  padding: 16px 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(191, 169, 138, 0.25);
}

.header-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.brand-block {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--champagne);
  text-transform: uppercase;
  text-decoration: none;
}

.brand-subtitle {
  font-family: var(--font-serif);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--champagne-muted);
}

.header-user-bar {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-badge {
  font-size: 12px;
  color: var(--ivoire);
  padding: 4px 10px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
}

.role-switcher-btn {
  background: transparent;
  color: var(--champagne);
  border: 1px solid var(--champagne);
  padding: 5px 12px;
  font-size: 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-sans);
}

.role-switcher-btn:hover {
  background: var(--champagne);
  color: var(--noir);
}

/* --------------------------------------------------------------------------
   Layout Containers
   -------------------------------------------------------------------------- */
.app-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

/* Philosophy Banner */
.philosophy-banner {
  text-align: center;
  padding: 24px 20px;
  margin-bottom: 24px;
  background: linear-gradient(180deg, #FFFFFF 0%, #FAF8F5 100%);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-subtle);
}

.philosophy-quote {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 400;
  color: var(--noir-soft);
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}

.philosophy-caption {
  font-size: 12px;
  color: var(--warm-grey);
  letter-spacing: 0.06em;
}

/* View Sections */
.view-section {
  display: none;
  animation: fadeIn 0.25s ease-out;
}

.view-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Navigation Tabs */
.nav-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--light-grey);
  padding-bottom: 8px;
  overflow-x: auto;
}

.tab-btn {
  background: transparent;
  border: none;
  padding: 8px 16px;
  font-size: 14px;
  font-family: var(--font-sans);
  color: var(--warm-grey);
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
  white-space: nowrap;
}

.tab-btn.active {
  color: var(--noir);
  font-weight: 600;
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -9px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--champagne);
}

/* --------------------------------------------------------------------------
   Cards & Elements
   -------------------------------------------------------------------------- */
.card {
  background: var(--ivoire-card);
  border: 1px solid var(--light-grey);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-subtle);
}

.card-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--noir-soft);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --------------------------------------------------------------------------
   Habit Selection (Onboarding / Settings)
   -------------------------------------------------------------------------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.category-card {
  border: 1px solid var(--light-grey);
  border-radius: var(--radius-sm);
  padding: 16px;
  background: #FAFAFA;
}

.category-card-coming-soon {
  background: #FDFCFB;
  border-color: rgba(232, 229, 223, 0.7);
  opacity: 0.88;
}

.category-header {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--noir);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.badge-coming-soon {
  background: rgba(191, 169, 138, 0.15);
  color: #8C6D46;
  border: 1px solid var(--champagne-muted);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
}

.coming-soon-content {
  padding: 14px 4px 10px;
}

.coming-soon-text {
  font-size: 12px;
  color: var(--warm-grey);
  line-height: 1.6;
}

.category-note {
  font-size: 11.5px;
  color: var(--warm-grey);
  background: rgba(191, 169, 138, 0.09);
  border-left: 2px solid var(--champagne);
  padding: 6px 10px;
  margin-bottom: 12px;
  border-radius: 2px;
  line-height: 1.5;
}

.habit-option {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 13px;
  cursor: pointer;
  line-height: 1.4;
}

.habit-option input[type="checkbox"] {
  margin-top: 2px;
  accent-color: var(--champagne);
}

/* --------------------------------------------------------------------------
   Daily Habit Log (1-minute entry)
   -------------------------------------------------------------------------- */
.status-selector {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.status-card {
  border: 2px solid var(--light-grey);
  border-radius: var(--radius-md);
  padding: 16px 12px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  background: #FFFFFF;
}

.status-card:hover {
  border-color: var(--champagne-muted);
}

.status-card.selected.completed {
  border-color: var(--status-completed);
  background: var(--status-completed-bg);
}

.status-card.selected.rested {
  border-color: var(--status-rested);
  background: var(--status-rested-bg);
}

.status-card.selected.missed {
  border-color: var(--status-missed);
  background: var(--status-missed-bg);
}

.status-icon {
  font-size: 24px;
  margin-bottom: 4px;
}

.status-label {
  font-weight: 600;
  font-size: 14px;
  display: block;
}

.status-desc {
  font-size: 11px;
  color: var(--warm-grey);
  margin-top: 2px;
}

.input-group {
  margin-bottom: 18px;
}

.input-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--noir-soft);
}

.input-hint {
  font-size: 11px;
  font-weight: 400;
  color: var(--warm-grey);
  margin-left: 6px;
}

textarea.form-control, input.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--light-grey);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--noir);
  background: #FAF8F5;
  transition: border-color 0.2s;
}

textarea.form-control:focus, input.form-control:focus {
  outline: none;
  border-color: var(--champagne);
  background: #FFFFFF;
}

.btn-primary {
  background: var(--noir);
  color: var(--ivoire);
  border: 1px solid var(--noir);
  padding: 14px 28px;
  font-size: 14px;
  font-family: var(--font-serif);
  letter-spacing: 0.1em;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  width: 100%;
}

.btn-primary:hover {
  background: var(--charcoal);
  border-color: var(--charcoal);
}

/* --------------------------------------------------------------------------
   Past Logs & Timeline
   -------------------------------------------------------------------------- */
.log-item {
  padding: 16px;
  border-bottom: 1px solid var(--light-grey);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.log-item:last-child {
  border-bottom: none;
}

.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
}

.badge-completed {
  background: var(--status-completed-bg);
  color: var(--status-completed);
  border: 1px solid var(--status-completed);
}

.badge-rested {
  background: var(--status-rested-bg);
  color: var(--status-rested);
  border: 1px solid var(--status-rested);
}

.badge-missed {
  background: var(--status-missed-bg);
  color: var(--status-missed);
  border: 1px solid var(--status-missed);
}

/* --------------------------------------------------------------------------
   Instructor Admin View (雅子さんビュー)
   -------------------------------------------------------------------------- */
.instructor-panel {
  border-left: 3px solid var(--champagne);
  background: #FCFBF9;
}

.participant-selector {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

select.form-control {
  padding: 8px 14px;
  border: 1px solid var(--light-grey);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--font-sans);
  background: #FFFFFF;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.stat-box {
  background: #FFFFFF;
  border: 1px solid var(--light-grey);
  padding: 12px;
  border-radius: var(--radius-sm);
  text-align: center;
}

.stat-value {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--noir);
}

.stat-label {
  font-size: 11px;
  color: var(--warm-grey);
}

.demo-notice-bar {
  background: var(--champagne-light);
  border: 1px solid var(--champagne-muted);
  color: var(--noir-soft);
  font-size: 12px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Responsive */
@media (max-width: 600px) {
  .status-selector {
    grid-template-columns: 1fr;
  }
  .category-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   講師返信メッセージ（伴走フィードバックカード）
   -------------------------------------------------------------------------- */
.instructor-message-card {
  background: #FCFBF9;
  border-left: 3px solid var(--champagne);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-top: 10px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

.instructor-message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--noir-soft);
  margin-bottom: 4px;
}

.instructor-message-text {
  font-size: 13px;
  line-height: 1.6;
  color: var(--noir);
  white-space: pre-wrap;
}

.instructor-feedback-form {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--champagne-muted);
}

.instructor-feedback-textarea {
  width: 100%;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: 8px;
  font-size: 13px;
  font-family: inherit;
  resize: vertical;
  background: #FFF;
  box-sizing: border-box;
}

.instructor-feedback-textarea:focus {
  outline: none;
  border-color: var(--champagne);
}

/* 退会・データ消去セクション */
.account-deletion-card {
  margin-top: 30px;
  padding: 16px;
  border: 1px solid rgba(192, 86, 74, 0.2);
  border-radius: var(--radius-md);
  background: #FFFDFC;
}

.btn-danger-outline {
  background: transparent;
  border: 1px solid #C0564A;
  color: #C0564A;
  font-size: 12px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-danger-outline:hover {
  background: #C0564A;
  color: #FFF;
}

/* スマホ実機での入力最適化（iOS Safariの自動ズーム防止 & タップ領域拡張） */
@media (max-width: 600px) {
  input[type="text"],
  input[type="date"],
  textarea,
  select {
    font-size: 16px !important; /* 16px未満だとiOSで自動拡大されるのを防止 */
  }

  .btn-primary {
    padding: 14px;
    font-size: 15px;
  }
}

/* 友美さん向けワンタップ習慣トグルカード */
.habit-toggle-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.habit-toggle-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: #FFFFFF;
  border: 1.5px solid var(--champagne-muted);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.habit-toggle-card:hover {
  border-color: var(--champagne);
  box-shadow: var(--shadow-subtle);
}

.habit-toggle-card.checked {
  background: var(--status-completed-bg);
  border-color: var(--status-completed);
}

.habit-toggle-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.habit-toggle-icon {
  font-size: 18px;
}

.habit-toggle-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--noir);
}

.habit-toggle-card.checked .habit-toggle-title {
  color: var(--status-completed);
}

.habit-toggle-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  background: var(--ivoire);
  color: var(--warm-grey);
  border: 1px solid var(--light-grey);
  transition: all 0.2s ease;
}

.habit-toggle-card.checked .habit-toggle-pill {
  background: var(--status-completed);
  color: #FFFFFF;
  border-color: var(--status-completed);
}

/* 音声入力ボタン & プレビュー */
.input-label-with-action {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.voice-input-btn {
  background: #FFFFFF;
  border: 1px solid var(--champagne-muted);
  color: var(--charcoal);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s ease;
}

.voice-input-btn:hover {
  background: var(--champagne-light);
  border-color: var(--champagne);
}

.voice-input-btn.recording {
  background: #FEECEB;
  border-color: #D32F2F;
  color: #D32F2F;
  animation: pulseRecording 1.5s infinite;
}

@keyframes pulseRecording {
  0% { box-shadow: 0 0 0 0 rgba(211, 47, 47, 0.4); }
  70% { box-shadow: 0 0 0 6px rgba(211, 47, 47, 0); }
  100% { box-shadow: 0 0 0 0 rgba(211, 47, 47, 0); }
}

.voice-preview-box {
  display: none;
  background: #FFFDF7;
  border: 1px dashed var(--champagne);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 12px;
  color: var(--accent-gold-dark, #8c6f39);
  margin-bottom: 6px;
  animation: fadeIn 0.2s ease;
}