/* :root はCSS全体で使える変数を定義します */
:root {
  --font-body: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, sans-serif;
  --font-display: "Noto Sans Display", "Noto Sans JP", sans-serif;
  --background-color: #f0f2f5;
  --surface-color: #ffffff;
  --on-surface-color: #1c1c1e;
  --on-surface-variant-color: #6d6d70;
  --primary-color: #3535d9;
  --primary-text-color: #ffffff;
  --error-color: #ff3b30;

  /* サマリー画面のカラーパレット */
  --summary-sogo-bg: #ed6c59;
  --summary-senmon-bg: #5f8ef7;
  --summary-jiyu-bg: #64d2ab;
  --summary-sotsugyo-bg: #ffcc00;
  --summary-mitoku-bg: #ffffff;
  --summary-gpa-bg: #5ac8fa;
  --summary-card-dark-text: #ffffff;
  --summary-card-light-text: #ffffff;
  --summary-card-border: #e5e5ea;
  --summary-mitoku-text: var(--on-surface-color);

  /* 履修形態のカラー */
  --color-hissu: #ed6c59;
  --color-sentaku: #ee805b;
  --color-sengai: #f2aa60;
  --color-nyumon: #5f8ef7;
  --color-kiso: #5567f6;
  --color-tenkai: #6f52f7;
  --color-senmon: #9c55f6;
  --color-enshu: #ca59f7;
  --color-sonota: #64d2ab;
  --color-event: #8e8e93; /* TAなどの単位外予定の色 */

  /* GPAのカラーパレット */
  --gpa-s: #8cbbe5; /* S */
  --gpa-ap: #acd089; /* A+ */
  --gpa-a: #acd089; /* A */
  --gpa-am: #acd089; /* A- */
  --gpa-bp: #e9e799; /* B+ */
  --gpa-b: #e9e799; /* B */
  --gpa-bm: #e9e799; /* B- */
  --gpa-cp: #e3c489; /* C+ */
  --gpa-c: #e3c489; /* C */
  --gpa-cm: #e3c489; /* C- */
  --gpa-d: #dd917e; /* D */
  --gpa-e: #dd917e; /* E */

  /* 統一デザインシステム変数 (public.zip準拠) */
  --space-3xs: 2px;
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --radius-xs: 8px;
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --motion-duration-short: 140ms;
  --motion-duration-medium: 260ms;
  --motion-easing-standard: cubic-bezier(0.2, 0, 0, 1);
  --shadow-level-1: 0 1px 2px rgba(0, 0, 0, 0.14), 0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-level-2: 0 4px 12px rgba(0, 0, 0, 0.12),
    0 2px 6px rgba(0, 0, 0, 0.08);

  /* デフォルトのホバー/フォーカス色 */
  --color-hover: #f0f2f5;
  --color-focus-ring: #3535d933;
  --nav-background: rgba(249, 249, 249, 0.94);
  --nav-border: #d1d1d6;
  --color-surface-container: var(--surface-color);
  --color-surface-container-high: #f7f7fb;
  --color-outline-variant: #e0e0e5;
  --color-on-surface: var(--on-surface-color);
  --color-on-surface-variant: var(--on-surface-variant-color);
  --accent-course: #5567f6;
  --accent-export: #5f8ef7;
  color-scheme: light;
}

/* ダークテーマ用変数 (public.zip準拠) */
:root[data-theme="dark"] {
  --background-color: #161618;
  --surface-color: #232326;
  --on-surface-color: #f5f5f7;
  --on-surface-variant-color: #a3a3a4;
  --primary-color: #339dff;
  --primary-text-color: #ffffff;
  --error-color: #ff453a;
  --summary-sogo-bg: #ed6c59;
  --summary-senmon-bg: #5f8ef7;
  --summary-jiyu-bg: #64d2ab;
  --summary-sotsugyo-bg: #ffcc00;
  --summary-mitoku-bg: #232326;
  --summary-gpa-bg: #5ac8fa;
  --summary-card-dark-text: #ffffff;
  --summary-card-light-text: #ffffff;
  --summary-card-border: #3a3a3c;
  --summary-mitoku-text: var(--on-surface-color);
  --color-hissu: #ed6c59;
  --color-sentaku: #ee805b;
  --color-sengai: #f2aa60;
  --color-nyumon: #5f8ef7;
  --color-kiso: #5567f6;
  --color-tenkai: #6f52f7;
  --color-senmon: #9c55f6;
  --color-enshu: #ca59f7;
  --color-sonota: #64d2ab;
  --color-event: #8e8e93;
  --gpa-s: #8cbbe5;
  --gpa-ap: #acd089;
  --gpa-a: #acd089;
  --gpa-am: #acd089;
  --gpa-bp: #e9e799;
  --gpa-b: #e9e799;
  --gpa-bm: #e9e799;
  --gpa-cp: #e3c489;
  --gpa-c: #e3c489;
  --gpa-cm: #e3c489;
  --gpa-d: #dd917e;
  --gpa-e: #dd917e;
  --color-hover: #232326;
  --color-focus-ring: #339dff33;
  --nav-background: rgba(35, 35, 38, 0.92);
  --nav-border: #3a3a3c;
  --color-surface-container: #1f1f23;
  --color-surface-container-high: #2b2b30;
  --color-outline-variant: #3a3a3c;
  --color-on-surface: var(--on-surface-color);
  --color-on-surface-variant: var(--on-surface-variant-color);
  --accent-course: #6578ff;
  --accent-export: #339dff;
  color-scheme: dark;
}

/* 基本設定 */
*,
*::before,
*::after {
  box-sizing: border-box;
}
body {
  font-family: var(--font-body);
  background-color: var(--background-color);
  color: var(--on-surface-color);
  margin: 0;
  padding: 0;
  overflow: hidden;
  height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--motion-duration-medium)
      var(--motion-easing-standard),
    color var(--motion-duration-medium) var(--motion-easing-standard);
}
.loading-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}
#auth-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}
#app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-width: 1400px;
  margin: 0 auto;
  overflow: hidden;
}
@media (min-width: 1024px) {
  #app-container {
    max-width: none;
    display: grid;
    grid-template-columns: 80px 1fr;
    grid-template-rows: auto 1fr;
    grid-template-areas:
      "header header"
      "nav main";
  }
}

#app-main {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0 20px 20px;
  padding-bottom: 100px; /* PWA時のフッター下のスペースを確保 */
}
@media (min-width: 1024px) {
  #app-main {
    grid-area: main;
    padding: 0 40px 40px;
    max-width: none;
  }
}

.hidden {
  display: none !important;
}

/* モバイル幅では上パディングを強制的に0に */
@media (max-width: 600px) {
  #app-container {
    padding-top: 0 !important;
  }
}

/* ヘッダー */
#app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) clamp(var(--space-sm), 4vw, var(--space-xl));
  gap: var(--space-md);
  background: var(--color-surface-container);
  border-bottom: 1px solid var(--color-outline-variant);
  box-shadow: var(--shadow-level-1);
  z-index: 100;
  flex-wrap: nowrap;
  flex-shrink: 0;
  position: relative;
}
@media (min-width: 1024px) {
  #app-header {
    grid-area: header;
  }
}
#app-header > * {
  min-width: 0;
}
.app-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  flex: 1 1 auto;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex: 0 0 auto;
  flex-wrap: nowrap;
  position: relative;
  z-index: 10;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Quick Add popover */
.quick-add-wrapper {
  position: relative;
}
.quick-add-popover {
  position: absolute;
  right: 0;
  top: calc(100% + var(--space-xs));
  display: none;
  flex-direction: column;
  gap: var(--space-xs);
  min-width: 220px;
  max-width: min(260px, 80vw);
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-outline-variant);
  background: var(--color-surface-container-high);
  box-shadow: var(--shadow-level-2);
  z-index: 40;
}
.quick-add-popover.is-open {
  display: flex;
}

.quick-add-option {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  border: none;
  background: none;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  color: var(--color-on-surface);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background-color var(--motion-duration-short)
      var(--motion-easing-standard),
    transform var(--motion-duration-short) var(--motion-easing-standard);
}
.quick-add-option:hover,
.quick-add-option:focus-visible {
  background-color: var(--color-hover);
  outline: none;
}

.quick-add-option__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}
.quick-add-option__icon .material-symbols-outlined {
  font-size: 1.35rem;
}
.quick-add-option__icon--course {
  background: var(--accent-course);
}
.quick-add-option__icon--export {
  background: var(--accent-export);
}
.quick-add-option__content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.quick-add-option__label {
  font-weight: 700;
}
.quick-add-option__description {
  font-size: 0.8rem;
  color: var(--color-on-surface-variant);
  line-height: 1.3;
}

/* Profile dropdown */
#user-profile-menu {
  position: relative;
}
#user-profile-button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color var(--motion-duration-short)
      var(--motion-easing-standard),
    background-color var(--motion-duration-short) var(--motion-easing-standard);
  background: var(--color-hover);
  color: var(--color-on-surface);
}
#user-profile-button:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-focus-ring);
}
.profile-chip .material-symbols-outlined {
  font-size: 1.8rem;
}
.menu-dropdown {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + var(--space-xs));
  background: var(--color-surface-container-high);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-level-2);
  padding: var(--space-2xs);
  z-index: 20;
  border: 1px solid var(--color-outline-variant);
  min-width: 160px;
}
#user-profile-menu:focus-within .menu-dropdown,
#user-profile-menu.open .menu-dropdown {
  display: block;
}
.menu-dropdown button {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--color-on-surface);
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 500;
  transition: background-color var(--motion-duration-short)
    var(--motion-easing-standard);
  font-size: 14px; /* Ensure font size is consistent */
}
.menu-dropdown button:hover,
.menu-dropdown button:focus-visible {
  background-color: var(--color-hover);
  outline: none;
}

/* Generic icon button */
.icon-button {
  border: none;
  background: transparent;
  color: var(--color-on-surface);
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--motion-duration-short)
      var(--motion-easing-standard),
    color var(--motion-duration-short) var(--motion-easing-standard);
}
.icon-button:hover,
.icon-button:focus-visible {
  background-color: var(--color-hover);
  outline: none;
}
.icon-button .material-symbols-outlined {
  font-size: 1.5rem;
  line-height: 1;
}
.material-symbols-outlined {
  vertical-align: middle;
  line-height: 1;
}

/* ナビゲーションバー */
#bottom-nav {
  height: 64px;
  background-color: var(--nav-background);
  border-top: 1px solid var(--nav-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 50;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: -webkit-backdrop-filter var(--motion-duration-medium)
      var(--motion-easing-standard),
    backdrop-filter var(--motion-duration-medium)
      var(--motion-easing-standard);
  flex-shrink: 0;
}
@media (min-width: 1024px) {
  #bottom-nav {
    grid-area: nav;
    width: 80px;
    height: auto;
    flex-direction: column;
    justify-content: flex-start;
    gap: 16px;
    border-top: none;
    border-right: 1px solid var(--nav-border);
    padding: 24px 0;
  }
}
.nav-item {
  cursor: pointer;
  text-align: center;
  color: var(--on-surface-variant-color);
  font-size: 10px;
  font-weight: 500;
  padding: 4px;
  border-radius: 8px;
  transition: color var(--motion-duration-short) var(--motion-easing-standard),
    background-color var(--motion-duration-short) var(--motion-easing-standard);
}
.nav-item.active {
  color: var(--primary-color);
}
.nav-item:hover,
.nav-item:focus {
  background-color: var(--color-hover);
  color: var(--primary-color);
}
.nav-item .material-symbols-outlined {
  font-size: 24px;
  display: block;
  margin: 0 auto 2px;
}
@media (min-width: 1024px) {
  .nav-item {
    width: 64px;
    padding: 12px 8px;
    border-radius: 12px;
  }
  .nav-item .material-symbols-outlined {
    font-size: 28px;
    margin-bottom: 4px;
  }
}

/* フィルター */
.filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

/* 時間割 */
.timetable-container {
  background-color: var(--surface-color);
  border-radius: 12px;
  padding: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.16);
}
#timetable-grid {
  display: grid;
  grid-template-columns: 40px repeat(6, 1fr);
  grid-template-rows: 30px repeat(6, 110px);
  gap: 4px;
}
@media (min-width: 1024px) {
  #timetable-grid {
    grid-template-columns: 50px repeat(6, 1fr);
    grid-template-rows: 40px repeat(6, 130px);
    gap: 6px;
  }
}
.grid-cell {
  cursor: pointer;
  transition: background-color var(--motion-duration-short)
    var(--motion-easing-standard);
  border-radius: 8px;
}
.grid-cell:hover,
.grid-cell:focus {
  background-color: var(--color-hover);
}
.grid-cell.no-timeslot-cell {
  cursor: default;
}
.grid-cell.no-timeslot-cell:hover,
.grid-cell.no-timeslot-cell:focus {
  background-color: transparent;
}
.no-timeslot-column-cell {
  display: block;
  padding: 0;
}
.course-block.no-timeslot-block {
  width: 100%;
  height: 100%;
  min-height: 0;
}
.grid-header {
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--on-surface-variant-color);
}
.grid-period {
  font-weight: 500;
  font-size: 12px;
}
.course-block {
  width: 100%;
  height: 100%;
  border-radius: 8px;
  padding: 8px;
  overflow: hidden;
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  transition: background-color var(--motion-duration-short)
    var(--motion-easing-standard);
}
.course-block:hover,
.course-block:focus {
  background-color: var(--color-hover);
}
.course-block.acquired {
  opacity: 0.7;
}
.course-block-title {
  font-size: 13px;
  font-weight: 600;
}
.course-block-classroom {
  font-size: 11px;
  opacity: 0.8;
  margin-top: 4px;
}

/* 時限未設定科目のグリッドスタイル */
#no-timeslot-container h3 {
  margin: 0 0 12px 0;
  font-size: 18px;
}
.no-timeslot-container {
  margin-top: 24px;
}
.no-timeslot-grid-container {
  display: none;
}
.no-timeslot-grid-container .course-block {
  height: auto;
}

/* 時間割下の履修リスト */
.semester-course-list {
  margin-top: 24px;
  background-color: var(--surface-color);
  border-radius: 12px;
  padding: 16px;
}
.semester-course-list h3 {
  margin: 0 0 12px 0;
  font-size: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.semester-course-list h3 .total-credits {
  font-size: 14px;
  font-weight: 500;
  color: var(--on-surface-variant-color);
}
.semester-course-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.semester-course-list li {
  display: grid;
  grid-template-columns: 1fr 80px 140px;
  align-items: center;
  padding: 10px 0;
  border-top: 1px solid var(--summary-card-border);
  font-size: 15px;
  cursor: pointer;
  transition: background-color var(--motion-duration-short)
    var(--motion-easing-standard);
  border-radius: 4px;
}
.semester-course-list li:hover,
.semester-course-list li:focus {
  background-color: var(--color-hover);
}
.semester-course-list li:first-child {
  border-top: none;
}
.semester-course-list .course-name {
  font-weight: 600;
  padding-left: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.semester-course-list .course-credits {
  color: var(--on-surface-variant-color);
  text-align: center;
}
.semester-course-list .course-status {
  font-weight: 600;
  text-align: right;
  padding-right: 8px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.semester-course-list .course-status .status-acquired-colored,
.semester-course-list .course-status .status-planned-colored {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--on-surface-variant-color);
}
.semester-course-list .course-status .status-acquired-colored .color-indicator {
  background-color: var(--summary-sotsugyo-bg);
}
.semester-course-list .course-status .status-planned-colored .color-indicator {
  background-color: var(--primary-color);
}
.semester-course-list .course-status .grade-chip {
  color: var(--on-surface-variant-color);
}
.semester-course-list .course-status .status-event-text {
  color: var(--on-surface-variant-color);
}

/* サマリー */
#summary-view {
  padding: var(--space-md);
}
.summary-filter-bar {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  margin-bottom: var(--space-lg);
}
.simulation-switch-container {
  margin-bottom: var(--space-lg);
}

.summary-main-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 16px;
  margin-bottom: var(--space-xl);
}
@media (min-width: 1024px) {
  .summary-main-card {
    grid-template-columns: repeat(6, 1fr);
  }
}
.summary-main-item { border-radius: 12px; padding: 16px; text-align: center; display: flex; flex-direction: column; justify-content: center; cursor: pointer; transition: transform 0.1s ease, filter 0.2s ease; }
.summary-main-item:hover { filter: brightness(1.1); }
.summary-main-item:active { transform: scale(0.98); }
.summary-main-item .value {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 700;
  line-height: 1.1;
  position: relative;
  padding-bottom: 12px;
}
.summary-main-item .value::after {
  content: attr(data-required);
  position: absolute;
  bottom: 0;
  right: 0;
  font-size: 14px;
  font-weight: 600;
  opacity: 0.8;
}
.summary-main-item.sotsugyo .value::after {
  color: #1c1c1e;
}
.summary-main-item .label {
  font-size: 15px;
  font-weight: 500;
  opacity: 0.9;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 8px;
}
.summary-main-item .label .material-symbols-outlined {
  font-size: 18px;
}
.summary-main-item.gpa {
  position: relative;
}
.summary-main-item.sogo {
  background-color: var(--summary-sogo-bg);
  color: var(--summary-card-dark-text);
}
.summary-main-item.senmon {
  background-color: var(--summary-senmon-bg);
  color: var(--summary-card-dark-text);
}
.summary-main-item.jiyu {
  background-color: var(--summary-jiyu-bg);
  color: var(--summary-card-dark-text);
}
.summary-main-item.sotsugyo {
  background-color: var(--summary-sotsugyo-bg);
  color: #1c1c1e;
}
.summary-main-item.mitoku {
  background-color: var(--summary-mitoku-bg);
  color: var(--summary-mitoku-text);
  border: 1px solid var(--summary-card-border);
}
.summary-main-item.gpa {
  background-color: var(--summary-gpa-bg);
  color: var(--summary-card-dark-text);
}
.gpa-visibility-button {
  position: absolute;
  top: 8px;
  right: 8px;
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background-color var(--motion-duration-short)
      var(--motion-easing-standard),
    color var(--motion-duration-short) var(--motion-easing-standard);
}
.gpa-visibility-button:hover,
.gpa-visibility-button:focus {
  background-color: var(--color-hover);
}
.gpa-visibility-button .material-symbols-outlined {
  font-size: 22px;
}
.summary-detail-group {
  grid-column: span 12;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
@media (min-width: 768px) {
  .summary-detail-group.sogo {
    grid-column: span 4;
  }
  .summary-detail-group.senmon {
    grid-column: span 8;
  }
}
.summary-detail-card {
  background-color: var(--surface-color);
  border-radius: 12px;
  padding: 16px;
}
.summary-detail-card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
  padding: 8px;
  margin: -8px -8px 4px -8px;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color var(--motion-duration-short)
      var(--motion-easing-standard);
}
.summary-detail-card-header:hover,
.summary-detail-card-header:focus {
  background-color: var(--color-hover);
}
.summary-detail-card-header .title {
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
}
.summary-detail-card-header .total {
  font-size: 18px;
  font-weight: 700;
}
.summary-detail-card-header .total .insufficient {
  color: var(--error-color);
}
.summary-detail-card-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.summary-detail-card-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px;
  margin: 0 -8px;
  border-top: 1px solid var(--summary-card-border);
  font-size: 15px;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color var(--motion-duration-short)
      var(--motion-easing-standard);
}
.summary-detail-card-list li:hover,
.summary-detail-card-list li:focus {
  background-color: var(--color-hover);
}
.summary-detail-card-list li .name {
  color: var(--on-surface-variant-color);
}
.summary-detail-card-list li .credits {
  font-weight: 600;
}
.summary-detail-card-list li .credits.insufficient {
  color: var(--error-color);
}

/* 色付きインジケーター */
.color-indicator {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: middle;
}

/* モーダルとフォーム */
#modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 200;
}
#modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--surface-color);
  padding: 24px;
  border-radius: 14px;
  z-index: 201;
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
#modal h2 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 24px 0;
  text-align: center;
}
#modal .form-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-bottom: 80px;
}
.form-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-section-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--on-surface-color);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--divider-color);
  margin-bottom: 4px;
}
.form-section-header .material-symbols-outlined {
  font-size: 20px;
  color: var(--primary-color);
}
.detail-item {
  padding: 8px 0;
  border-bottom: 1px solid var(--summary-card-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 15px;
}
.detail-item-colored {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}
.detail-item-colored[data-status="acquired"] {
  color: var(--primary-color);
}
.detail-item-colored[data-status="acquired"] .color-indicator {
  background-color: var(--summary-sotsugyo-bg);
}
.detail-item-colored[data-status="planned"] {
  color: var(--on-surface-variant-color);
}
.detail-item-colored[data-status="planned"] .color-indicator {
  background-color: var(--primary-color);
}
.detail-item-colored .color-indicator {
  flex-shrink: 0;
}
.detail-item:last-of-type {
  border-bottom: none;
}
.detail-item strong {
  font-weight: 500;
  color: var(--on-surface-variant-color);
}
.detail-item a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-grid.col-4 {
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
@media (max-width: 768px) {
  .form-grid.col-4 {
    grid-template-columns: 1fr 1fr;
  }
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--on-surface-variant-color);
}
.event-links-group {
  gap: 12px;
}
.event-links-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.event-links-container.empty::before {
  content: "リンクが追加されていません。";
  font-size: 13px;
  color: var(--on-surface-variant-color);
}
.event-link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.event-link-row .event-link-label,
.event-link-row .event-link-url {
  flex: 1 1 220px;
}
.event-link-row .event-link-label {
  min-width: 160px;
}
.event-link-row .event-link-url {
  min-width: 200px;
}
.remove-event-link-button {
  background: none;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--on-surface-variant-color);
  cursor: pointer;
  transition: background-color var(--motion-duration-short)
      var(--motion-easing-standard),
    color var(--motion-duration-short) var(--motion-easing-standard);
}
.remove-event-link-button:hover,
.remove-event-link-button:focus {
  background-color: var(--color-hover);
  color: var(--primary-color);
}
.remove-event-link-button .material-symbols-outlined {
  font-size: 18px;
}
.custom-link-list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.custom-link-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}
.custom-link-list a {
  color: var(--primary-color);
  text-decoration: none;
  word-break: break-all;
}
.custom-link-list a:hover,
.custom-link-list a:focus {
  text-decoration: underline;
}
.custom-link-list .material-symbols-outlined {
  font-size: 18px;
  color: var(--on-surface-variant-color);
}
@media (max-width: 480px) {
  .event-link-row .event-link-label,
  .event-link-row .event-link-url {
    flex: 1 1 100%;
    min-width: 0;
  }
}
.custom-input,
.custom-select {
  width: 100%;
  padding: 12px;
  border: 1px solid #d1d1d6;
  border-radius: 8px;
  background-color: #f9f9f9;
  font-size: 16px;
  font-family: var(--font-body);
  appearance: none;
}
.custom-input.input-error {
  border-color: var(--error-color);
  box-shadow: 0 0 0 3px rgba(255, 59, 48, 0.2);
}
.custom-select-wrapper {
  position: relative;
  width: 100%;
  margin-top: var(--space-xs);
}
.custom-select-wrapper::after {
  content: "unfold_more";
  font-family: "Material Symbols Outlined";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--on-surface-variant-color);
}
.custom-select:disabled {
  background-color: #e9e9e9;
  color: #b0b0b0;
}
.unit-category-display {
  padding: 12px;
  border-radius: 8px;
  text-align: center;
  font-weight: 600;
  font-size: 15px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease;
}
.radio-group {
  display: flex;
  gap: 12px;
}
.radio-group label {
  flex: 1;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 10px;
  border: 1px solid #d1d1d6;
  border-radius: 8px;
  background-color: #f9f9f9;
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 500;
}
.radio-group input {
  display: none;
}
.radio-group input[value="course"]:checked + label {
  border-color: var(--primary-color);
  background-color: var(--primary-color);
  color: var(--primary-text-color);
  font-weight: 600;
}
.radio-group input[value="event"]:checked + label {
  border-color: var(--color-event);
  background-color: var(--color-event);
  color: var(--primary-text-color);
  font-weight: 600;
}
.radio-group input[value="acquired"]:checked + label {
  border-color: var(--summary-sotsugyo-bg);
  background-color: var(--summary-sotsugyo-bg);
  color: var(--summary-card-light-text);
  font-weight: 600;
}
.radio-group input[value="planned"]:checked + label {
  border-color: var(--primary-color);
  background-color: var(--primary-color);
  color: var(--primary-text-color);
  font-weight: 600;
}
.add-timeslot-button {
  background: none;
  border: none;
  color: var(--primary-color);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
  border-radius: 6px;
  transition: background-color var(--motion-duration-short)
      var(--motion-easing-standard);
}
.add-timeslot-button:hover,
.add-timeslot-button:focus {
  background-color: var(--color-hover);
}

/* ボタン */
.button-group {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 24px;
}
#modal .button-group {
  position: -webkit-sticky;
  position: sticky;
  bottom: -24px;
  margin: 24px -24px -24px -24px;
  padding: 16px 24px;
  background-color: rgba(255, 255, 255, 0.85);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--summary-card-border);
  z-index: 10;
}
:root[data-theme="dark"] #modal .button-group {
  background-color: rgba(35, 35, 38, 0.85);
  border-top: 1px solid var(--summary-card-border);
}
:root[data-theme="dark"] .custom-button.primary:hover,
:root[data-theme="dark"] .custom-button.primary:focus {
  background-color: #1a7dd1;
  color: var(--primary-text-color);
}
:root[data-theme="dark"] .custom-button.secondary:hover,
:root[data-theme="dark"] .custom-button.secondary:focus {
  background-color: #3a3a3c;
  color: var(--on-surface-color);
}
:root[data-theme="dark"] .icon-button:hover,
:root[data-theme="dark"] .icon-button:focus-visible {
  background-color: #3a3a3c;
}
:root[data-theme="dark"] .nav-item:hover,
:root[data-theme="dark"] .nav-item:focus {
  background-color: #3a3a3c;
}
:root[data-theme="dark"] .gpa-visibility-button:hover,
:root[data-theme="dark"] .gpa-visibility-button:focus {
  background-color: rgba(255, 255, 255, 0.1);
}
:root[data-theme="dark"] .add-timeslot-button:hover,
:root[data-theme="dark"] .add-timeslot-button:focus {
  background-color: #3a3a3c;
}
:root[data-theme="dark"] .summary-main-item:hover {
  filter: brightness(1.15);
}
:root[data-theme="dark"] .course-block:hover,
:root[data-theme="dark"] .course-block:focus {
  filter: brightness(1.15);
}
:root[data-theme="dark"] .category-detail-list-item:hover,
:root[data-theme="dark"] .category-detail-list-item:focus {
  background-color: #434346;
  border-color: #505053;
}
:root[data-theme="dark"] .summary-detail-card-header:hover,
:root[data-theme="dark"] .summary-detail-card-header:focus {
  background-color: #3a3a3c;
}
:root[data-theme="dark"] .summary-detail-card-list li:hover,
:root[data-theme="dark"] .summary-detail-card-list li:focus {
  background-color: #3a3a3c;
}
:root[data-theme="dark"] .semester-course-list li:hover,
:root[data-theme="dark"] .semester-course-list li:focus {
  background-color: #3a3a3c;
}
:root[data-theme="dark"] .grid-cell:hover,
:root[data-theme="dark"] .grid-cell:focus {
  background-color: #3a3a3c;
}
.custom-button {
  padding: 12px 16px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background-color var(--motion-duration-short)
      var(--motion-easing-standard),
    color var(--motion-duration-short) var(--motion-easing-standard);
}
.custom-button.primary {
  background-color: var(--primary-color);
  color: var(--primary-text-color);
}
.custom-button.primary:hover,
.custom-button.primary:focus {
  background-color: var(--color-hover);
  color: var(--primary-color);
}
.custom-button.secondary {
  background-color: var(--color-hover);
  color: var(--on-surface-color);
}
.custom-button.secondary:hover,
.custom-button.secondary:focus {
  background-color: rgba(0, 0, 0, 0.15);
  color: var(--on-surface-color);
}
.custom-button.danger {
  background-color: transparent;
  color: var(--error-color);
}
.custom-button.danger:hover,
.custom-button.danger:focus {
  background-color: rgba(255, 59, 48, 0.1);
  color: var(--error-color);
}
.custom-button.icon-button {
  width: 40px;
  height: 40px;
  padding: 0;
  gap: 0;
}
.custom-button.icon-button .material-symbols-outlined {
  font-size: 22px;
}
.custom-button:hover,
.custom-button:focus {
  background-color: var(--color-hover);
  color: var(--primary-color);
}

/* カスタムドロップダウンのためのスタイル */
.custom-dropdown {
  position: relative;
  cursor: pointer;
}
.dropdown-selected {
  width: 100%;
  height: 44px;
  padding: 12px;
  border: 1px solid #d1d1d6;
  border-radius: 8px;
  background-color: #f9f9f9;
  font-size: 16px;
  font-family: var(--font-body);
  display: flex;
  align-items: center;
  position: relative;
}
.dropdown-selected::after {
  content: "unfold_more";
  font-family: "Material Symbols Outlined";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--on-surface-variant-color);
}
.custom-dropdown.open .dropdown-selected {
  border-color: var(--primary-color);
}
.dropdown-options {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--surface-color);
  border: 1px solid #d1d1d6;
  border-radius: 8px;
  list-style: none;
  margin: 4px 0 0 0;
  padding: 4px;
  z-index: 100;
  max-height: 200px;
  overflow-y: auto;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}
:root[data-theme="dark"] .custom-input,
:root[data-theme="dark"] .custom-select,
:root[data-theme="dark"] .dropdown-selected {
  background-color: #2b2b2f;
  color: var(--on-surface-color);
  border-color: var(--summary-card-border);
}
:root[data-theme="dark"] .dropdown-options {
  background-color: #2b2b2f;
  border-color: var(--summary-card-border);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.35);
}
:root[data-theme="dark"] .dropdown-options li {
  color: var(--on-surface-color);
}
:root[data-theme="dark"] .custom-select:disabled {
  background-color: #26262a;
  color: #6f6f73;
}
.dropdown-options li {
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 16px;
}
.dropdown-options li:hover,
.dropdown-options li:focus {
  background-color: var(--color-hover);
}
.list-item-colored {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}
.list-item-colored[data-color="必修"] .color-indicator {
  background-color: var(--color-hissu);
}
.list-item-colored[data-color="選択"] .color-indicator {
  background-color: var(--color-sentaku);
}
.list-item-colored[data-color="選外"] .color-indicator {
  background-color: var(--color-sengai);
}
.list-item-colored[data-color="入門"] .color-indicator {
  background-color: var(--color-nyumon);
}
.list-item-colored[data-color="基礎"] .color-indicator {
  background-color: var(--color-kiso);
}
.list-item-colored[data-color="展開"] .color-indicator {
  background-color: var(--color-tenkai);
}
.list-item-colored[data-color="専門"] .color-indicator {
  background-color: var(--color-senmon);
}
.list-item-colored[data-color="演習"] .color-indicator {
  background-color: var(--color-enshu);
}
.list-item-colored[data-color="その他"] .color-indicator {
  background-color: var(--color-sonota);
}
.list-item-colored[data-grade="S"] .color-indicator {
  background-color: var(--gpa-s);
}
.list-item-colored[data-grade="A+"] .color-indicator {
  background-color: var(--gpa-ap);
}
.list-item-colored[data-grade="A"] .color-indicator {
  background-color: var(--gpa-a);
}
.list-item-colored[data-grade="A-"] .color-indicator {
  background-color: var(--gpa-am);
}
.list-item-colored[data-grade="B+"] .color-indicator {
  background-color: var(--gpa-bp);
}
.list-item-colored[data-grade="B"] .color-indicator {
  background-color: var(--gpa-b);
}
.list-item-colored[data-grade="B-"] .color-indicator {
  background-color: var(--gpa-bm);
}
.list-item-colored[data-grade="C+"] .color-indicator {
  background-color: var(--gpa-cp);
}
.list-item-colored[data-grade="C"] .color-indicator {
  background-color: var(--gpa-c);
}
.list-item-colored[data-grade="C-"] .color-indicator {
  background-color: var(--gpa-cm);
}
.list-item-colored[data-grade="D"] .color-indicator {
  background-color: var(--gpa-d);
}
.list-item-colored[data-grade="E"] .color-indicator {
  background-color: var(--gpa-e);
}

/* 修得シミュレーションのトグルスイッチ */
.simulation-switch-container {
  margin-bottom: var(--space-lg);
}
.simulation-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background-color: var(--surface-color);
  border: 1px solid var(--summary-card-border);
  border-radius: var(--radius-xs);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--motion-duration-short) var(--motion-easing-standard);
  margin-left: auto;
}
.simulation-switch:hover {
  background-color: var(--surface-variant-color);
}
.simulation-switch .label-text {
  font-size: 14px;
  font-weight: 500;
  color: var(--on-surface-color);
  order: 2;
}
.simulation-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.simulation-switch .slider {
  width: 36px;
  height: 20px;
  background-color: #e9e9eb;
  border-radius: 10px;
  transition: 0.2s;
  position: relative;
  order: 1;
  flex-shrink: 0;
}
.simulation-switch .slider::before {
  content: "";
  position: absolute;
  height: 16px;
  width: 16px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  border-radius: 50%;
  transition: 0.2s;
}
.simulation-switch input:checked + .slider {
  background-color: var(--primary-color);
}
.simulation-switch input:checked + .slider::before {
  transform: translateX(16px);
}

/* 学年設定モーダルのスタイル */
.settings-list-item {
  display: grid;
  grid-template-columns: 1fr 100px 40px;
  gap: 12px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--summary-card-border);
}
.settings-list-item:last-of-type {
  border-bottom: none;
}
.settings-list-item .year-display {
  font-weight: 600;
  font-size: 16px;
}
#new-grade-form {
  display: grid;
  grid-template-columns: 1fr 100px 80px;
  gap: 12px;
  margin-top: 16px;
}

/* レスポンシブ */
@media (max-width: 768px) {
  #app-container {
    padding: 0;
  }
  #app-main {
    padding: 16px;
  }
  header {
    align-items: center;
  }
  header h1 {
    font-size: 28px;
  }
  .filter-bar {
    flex-direction: column;
  }
  #timetable-grid {
    grid-template-columns: 30px repeat(6, 1fr);
    grid-template-rows: 30px repeat(6, 90px);
  }
  .course-block {
    font-size: 11px;
    padding: 4px;
    border-radius: 4px;
  }
}

/* 科目詳細モーダル内のリンクコンテナ */
.course-links {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* アイコンリンクボタンのスタイル */
.icon-link-button {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 36px;
  height: 36px;
  background-color: var(--color-hover); /* 背景色 */
  border-radius: 50%; /* 円形にする */
  color: var(--on-surface-variant-color); /* アイコンの色 */
  text-decoration: none;
  transition: background-color var(--motion-duration-short)
      var(--motion-easing-standard),
    color var(--motion-duration-short) var(--motion-easing-standard);
}

.icon-link-button:hover,
.icon-link-button:focus {
  background-color: var(--color-hover);
  color: var(--primary-color);
}

.icon-link-button .material-symbols-outlined {
  font-size: 22px;
}

/* 共通アニメーション */
@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* カテゴリー詳細モーダル */
.category-detail-modal {
  max-width: 600px !important;
  display: flex;
  flex-direction: column;
  max-height: 85vh;
}
.category-detail-modal .modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--summary-card-border);
  padding-bottom: 16px;
  margin-bottom: 0 !important;
}
.category-detail-modal h2 {
  margin: 0 !important;
  text-align: left !important;
}
.category-total-display {
  text-align: right;
}
.category-total-display .big-number {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--on-surface-color);
  line-height: 1;
}
.category-total-display .required-text {
  font-size: 14px;
  color: var(--on-surface-variant-color);
  font-weight: 600;
  margin-left: 4px;
}

.category-detail-modal .modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 0 0 16px 0; /* Top padding removed for sticky header */
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.category-detail-list-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px;
  background-color: var(--color-surface-container-high);
  border-radius: 8px;
  border: 1px solid var(--summary-card-border);
  cursor: pointer;
  transition: background-color var(--motion-duration-short)
      var(--motion-easing-standard),
    transform 0.1s ease;
}
.category-detail-list-item:hover,
.category-detail-list-item:focus {
  background-color: var(--color-hover);
}
.category-detail-list-item:active {
  transform: scale(0.99);
}
.category-detail-list-item .row-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.category-detail-list-item .course-name {
  font-weight: 600;
  font-size: 15px;
}
.category-detail-list-item .course-meta {
  display: flex;
  align-items: center;
  gap: 8px;
}
.category-detail-list-item .course-credits {
  font-size: 14px;
  color: var(--on-surface-variant-color);
}
.category-detail-list-item .course-grade {
  font-size: 13px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  background-color: var(--color-surface-container);
  border: 1px solid var(--summary-card-border);
}
.category-detail-list-item .row-sub {
  font-size: 12px;
  color: var(--on-surface-variant-color);
  text-align: right;
}

.category-detail-list-item .course-grade[data-grade="S"] {
  color: var(--primary-color);
  border-color: var(--gpa-s);
  background-color: rgba(140, 187, 229, 0.1);
}
.category-detail-list-item .course-grade[data-grade="A+"],
.category-detail-list-item .course-grade[data-grade="A"],
.category-detail-list-item .course-grade[data-grade="A-"] {
  color: var(--gpa-a);
  border-color: var(--gpa-a);
  background-color: rgba(172, 208, 137, 0.1);
}
.category-detail-list-item .course-grade[data-grade="B+"],
.category-detail-list-item .course-grade[data-grade="B"],
.category-detail-list-item .course-grade[data-grade="B-"] {
  color: #bfa600;
  border-color: var(--gpa-b);
  background-color: rgba(233, 231, 153, 0.1);
}
.category-detail-list-item .course-grade[data-grade="C+"],
.category-detail-list-item .course-grade[data-grade="C"],
.category-detail-list-item .course-grade[data-grade="C-"] {
  color: #ad8338;
  border-color: var(--gpa-c);
  background-color: rgba(227, 196, 137, 0.1);
}
.category-detail-list-item .course-grade[data-grade="D"],
.category-detail-list-item .course-grade[data-grade="E"] {
  color: var(--error-color);
  border-color: var(--gpa-d);
  background-color: rgba(221, 145, 126, 0.1);
}

.empty-state {
  text-align: center;
  color: var(--on-surface-variant-color);
  padding: 32px 0;
}

.modal-header h2 { display: flex; align-items: center; gap: 8px; }
.modal-header h2 .color-indicator { width: 14px; height: 14px; flex-shrink: 0; }

.category-detail-list-item .course-name { font-weight: 600; font-size: 15px; display: flex; align-items: center; gap: 6px; }
.color-indicator.mini { width: 8px; height: 8px; margin-right: 0; }

.year-group { margin-bottom: 24px; }
.year-group:last-child { margin-bottom: 0; }
.year-group-header {
  font-size: 14px;
  font-weight: 600;
  color: var(--on-surface-variant-color);
  background-color: var(--surface-color);
  padding: 8px 0;
  margin: 0 0 8px 0;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: flex-end; /* 数値ベースライン合わせ */
}
.sticky-header {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
}
.year-group-list { display: flex; flex-direction: column; gap: 8px; }

.year-total-display .big-number {
  font-family: var(--font-display);
  font-size: 18px; /* 少し大きめ */
  font-weight: 700;
  color: var(--on-surface-color);
  line-height: 1;
}
.year-total-display .unit {
  font-size: 11px;
  color: var(--on-surface-variant-color);
  margin-left: 2px;
  font-weight: normal;
}

/* Planned Section & Sub-groups */
.planned-section .year-group-header {
  background-color: var(--color-surface-container); 
  border-radius: 8px; /* Slightly rounded */
  padding: 8px 12px;
}
.planned-section .year-group-header .year-label {
    color: var(--primary-color);
}

.sub-group {
  margin-top: 12px;
}
.sub-group:first-child {
  margin-top: 0;
}
.sub-group-header {
  font-size: 13px;
  color: var(--on-surface-variant-color);
  margin: 0 0 8px 4px;
  font-weight: 600;
  border-bottom: 1px dashed var(--summary-card-border);
  padding-bottom: 4px;
}




/* GPA Modal */
.gpa-modal {
    background-color: var(--surface-color);
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.15);
    display: flex;
    flex-direction: column;
    max-height: 85vh;
    animation: fade-in 0.2s ease;
}

.gpa-modal .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--summary-card-border);
    padding-bottom: 12px;
    margin-bottom: 0;
    flex-wrap: wrap;
    gap: 12px;
}

.gpa-modal h2 {
    margin: 0;
    font-size: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.gpa-tabs {
  display: flex;
  background-color: var(--color-surface-container-high);
  padding: 4px;
  border-radius: 8px;
  gap: 4px;
}
.gpa-tab {
  border: none;
  background: transparent;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--on-surface-variant-color);
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s ease;
}
.gpa-tab.active {
  background-color: var(--surface-color);
  color: var(--primary-color);
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
  font-weight: 600;
}

.gpa-modal .modal-body {
    flex: 1;
    overflow: hidden;
    padding: 16px;
    position: relative;
    width: 100%;
}

/* ==========================================
   成績一覧スタイル
   ========================================== */

#transcript-view {
  padding: var(--space-md);
}

.transcript-filter-bar {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  margin-bottom: var(--space-lg);
}

.transcript-summary-cards {
  margin-bottom: var(--space-xl);
}

.print-btn {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background-color: var(--primary-color);
  color: var(--primary-text-color);
  border: none;
  border-radius: var(--radius-xs);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--motion-duration-short) var(--motion-easing-standard);
  margin-left: auto;
}

.print-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.print-btn .material-symbols-outlined {
  font-size: 20px;
}

.transcript-content {
  margin-top: var(--space-lg);
}

.no-data-message {
  text-align: center;
  color: var(--on-surface-variant-color);
  padding: var(--space-xl);
  font-size: 14px;
}

.transcript-year-section {
  background-color: var(--surface-color);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-level-1);
}

.transcript-year-header h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--on-surface-color);
  margin: 0 0 var(--space-md) 0;
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--primary-color);
}

.transcript-info-bar {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-surface-container-high);
  border-radius: var(--radius-xs);
}

.transcript-info-item {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  font-size: 14px;
}

.info-label {
  color: var(--on-surface-variant-color);
  font-weight: 500;
}

.info-value {
  color: var(--on-surface-color);
  font-weight: 600;
}

.transcript-semester-section {
  margin-bottom: var(--space-xl);
}

.transcript-semester-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-outline-variant);
}

.transcript-semester-header h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--on-surface-color);
  margin: 0;
}

.semester-summary {
  display: flex;
  gap: var(--space-md);
  font-size: 14px;
}

.summary-item {
  color: var(--on-surface-variant-color);
}

.summary-item strong {
  color: var(--primary-color);
  font-weight: 600;
}

.transcript-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin-bottom: var(--space-md);
}

.transcript-table thead {
  background-color: var(--color-surface-container-high);
}

.transcript-table th {
  padding: var(--space-sm);
  text-align: left;
  font-weight: 600;
  color: var(--on-surface-variant-color);
  border-bottom: 2px solid var(--color-outline-variant);
  white-space: nowrap;
}

.transcript-table td {
  padding: var(--space-sm);
  border-bottom: 1px solid var(--color-outline-variant);
  color: var(--on-surface-color);
}

.transcript-table tbody tr:hover {
  background-color: var(--color-hover);
}

.transcript-table tbody tr:last-child td {
  border-bottom: none;
}

.col-name { 
  width: auto; 
  min-width: 180px;
  font-weight: 500;
}

.course-bullet {
  display: inline-block;
  margin-right: 6px;
  font-size: 8px;
  color: var(--primary-color);
  vertical-align: middle;
}

.col-category { width: 90px; }
.col-detail { width: 130px; }
.col-instructor { width: 110px; }
.col-time { 
  width: 90px; 
  text-align: center;
}
.col-credits { 
  width: 50px; 
  text-align: center;
  font-weight: 600;
}
.col-grade { 
  width: 60px; 
  text-align: center;
}

.category-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 600;
  color: white;
  text-align: center;
}

.category-badge-small {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  color: white;
  text-align: center;
}

.grade-badge {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 13px;
  font-weight: 600;
  min-width: 36px;
  text-align: center;
}

.grade-s {
  background-color: var(--gpa-s);
  color: white;
}

.grade-a {
  background-color: var(--gpa-a);
  color: white;
}

.grade-am {
  background-color: var(--gpa-am);
  color: white;
}

.grade-b {
  background-color: var(--gpa-b);
  color: #333;
}

.grade-bm {
  background-color: var(--gpa-bm);
  color: #333;
}

.grade-c {
  background-color: var(--gpa-c);
  color: #333;
}

.grade-cm {
  background-color: var(--gpa-cm);
  color: #333;
}

.grade-fail {
  background-color: var(--gpa-d);
  color: white;
}

.grade-none {
  background-color: var(--color-surface-container-high);
  color: var(--on-surface-variant-color);
}

.transcript-year-summary {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background-color: var(--color-surface-container-high);
  border-radius: var(--radius-sm);
}

.year-summary-header h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--on-surface-color);
  margin: 0 0 var(--space-md) 0;
}

.year-summary-groups {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.summary-group {
  flex: 1;
  background-color: var(--surface-color);
  padding: var(--space-md);
  border-radius: var(--radius-xs);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.summary-group-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--on-surface-variant-color);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--summary-card-border);
}

.summary-group-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.year-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.summary-card {
  background-color: var(--surface-color);
  padding: var(--space-md);
  border-radius: var(--radius-xs);
  text-align: center;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.summary-card.acquired-credits {
  background-color: var(--summary-sotsugyo-bg);
  color: #1c1c1e;
}

.summary-card.acquired-credits .summary-card-label {
  color: rgba(28, 28, 30, 0.7);
}

.summary-card.acquired-credits .summary-card-value {
  color: #1c1c1e;
}

.summary-card-label {
  font-size: 12px;
  color: var(--on-surface-variant-color);
  margin-bottom: var(--space-2xs);
}

.summary-card-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
}

.category-stats {
  margin-top: var(--space-md);
}

.category-stats h5 {
  font-size: 14px;
  font-weight: 600;
  color: var(--on-surface-color);
  margin: 0 0 var(--space-md) 0;
}

.category-main-groups {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.category-main-group {
  background-color: var(--surface-color);
  border-radius: var(--radius-xs);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
}

.category-main-header {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 4px var(--space-sm);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
}

.category-main-header.sogo-unit {
  background-color: var(--summary-sogo-bg);
  color: #ffffff;
}

.category-main-header.senmon-unit {
  background-color: var(--summary-senmon-bg);
  color: #ffffff;
}

.category-main-header.jiyu-unit {
  background-color: var(--summary-jiyu-bg);
  color: #ffffff;
}

.category-main-label {
  font-size: 12px;
  font-weight: 600;
  color: inherit;
}

.category-main-value {
  font-size: 12px;
  font-weight: 700;
  color: inherit;
}

.category-details {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  flex: 1;
}

.category-detail-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 4px var(--space-sm);
  background-color: var(--color-surface-container-high);
  border-radius: var(--radius-2xs);
  font-size: 12px;
}

.category-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: var(--space-sm);
}

.category-stat-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
  padding: var(--space-sm);
  background-color: var(--surface-color);
  border-radius: 6px;
  font-size: 13px;
}

.category-stat-name {
  color: var(--on-surface-variant-color);
  font-weight: 500;
}

.category-stat-value {
  color: var(--on-surface-color);
  font-weight: 600;
}

.transcript-cumulative-summary {
  background-color: var(--surface-color);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-level-2);
}

.cumulative-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--on-surface-color);
  margin: 0 0 var(--space-lg) 0;
  text-align: center;
}

.cumulative-main-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.main-stat-card {
  background: linear-gradient(135deg, var(--color-surface-container-high) 0%, var(--surface-color) 100%);
  padding: var(--space-lg);
  border-radius: var(--radius-sm);
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: transform var(--motion-duration-short) var(--motion-easing-standard);
}

.main-stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.main-stat-card.highlight {
  background: linear-gradient(135deg, var(--primary-color) 0%, #5f8ef7 100%);
}

.main-stat-card.highlight .main-stat-label,
.main-stat-card.highlight .main-stat-value {
  color: white;
}

.main-stat-label {
  font-size: 13px;
  color: var(--on-surface-variant-color);
  margin-bottom: var(--space-xs);
  font-weight: 500;
}

.main-stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--on-surface-color);
}

.main-stat-value.large {
  font-size: 36px;
}

.grade-distribution {
  background-color: var(--color-surface-container-high);
  padding: var(--space-lg);
  border-radius: var(--radius-sm);
}

.grade-distribution h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--on-surface-color);
  margin: 0 0 var(--space-md) 0;
}

.grade-distribution-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: var(--space-sm);
}

.grade-dist-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm);
  background-color: var(--surface-color);
  border-radius: 6px;
}

.grade-count {
  font-size: 11px;
  color: var(--on-surface-variant-color);
}

@media print {
  body {
    background-color: white;
  }

  #app-header,
  #bottom-nav,
  .filter-bar,
  .print-btn,
  .transcript-summary-cards {
    display: none !important;
  }

  #app-main {
    margin: 0 !important;
    padding: 0 !important;
  }

  .transcript-year-section {
    page-break-inside: avoid;
    page-break-after: always;
    box-shadow: none;
    border: 1px solid #ddd;
  }

  .transcript-year-section:last-child {
    page-break-after: auto;
  }

  .transcript-semester-section {
    page-break-inside: avoid;
  }

  .transcript-table {
    font-size: 10px;
  }

  .transcript-table th,
  .transcript-table td {
    padding: 6px 4px;
  }
}

@media (max-width: 768px) {
  .transcript-table {
    font-size: 12px;
  }

  .transcript-table th,
  .transcript-table td {
    padding: var(--space-xs);
  }

  .col-name { min-width: 140px; }
  .col-detail { width: 110px; }
  .col-instructor { width: 90px; }
  .col-time { width: 80px; }

  .year-summary-groups {
    flex-direction: column;
    gap: var(--space-md);
  }

  .category-main-group {
    flex-direction: column;
    align-items: flex-start;
  }

  .category-details {
    padding: 0 0 var(--space-sm) 0;
  }

  .year-summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cumulative-main-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .transcript-info-bar {
    flex-direction: column;
    gap: var(--space-xs);
  }
}

@media (max-width: 480px) {
  .transcript-table {
    display: block;
    overflow-x: auto;
  }

  .semester-summary {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .category-stats-grid {
    grid-template-columns: 1fr;
  }
}