/* =========================================================
   morning-news  共通スタイル（ライト/ダーク両対応）
   ========================================================= */

:root {
  --font-size-base: 18px;
  --font-size-scale: 1;

  /* ライトモードのカラートークン */
  --c-bg:          #fdfbf6;
  --c-card:        #ffffff;
  --c-text:        #1a1a1a;
  --c-text-sub:    #555555;
  --c-text-weak:   #888888;
  --c-accent:      #1a5fcc;
  --c-accent-soft: #e7effc;
  --c-star:        #f59e0b;
  --c-divider:     #e8e4da;
  --c-success:     #10b981;
  --c-warn:        #f59e0b;
  --c-error:       #dc2626;
  --c-disabled:    #9ca3af;

  --radius-card:   12px;
  --radius-pill:   999px;
  --shadow-card:   0 1px 3px rgba(0, 0, 0, 0.06);
  --gap-sm:        8px;
  --gap:           12px;
  --gap-lg:        20px;
  --gap-xl:        28px;
}

[data-theme="dark"] {
  --c-bg:          #1a1a1a;
  --c-card:        #2a2a2a;
  --c-text:        #e8e8e8;
  --c-text-sub:    #b0b0b0;
  --c-text-weak:   #808080;
  --c-accent:      #4a8af4;
  --c-accent-soft: #1e3156;
  --c-star:        #fbbf24;
  --c-divider:     #3a3a3a;
  --shadow-card:   0 1px 3px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: calc(var(--font-size-base) * var(--font-size-scale));
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Hiragino Sans", "Noto Sans JP", "Yu Gothic", system-ui, sans-serif;
  font-weight: 500;
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-bg);
  min-height: 100vh;
  padding-bottom: 96px; /* 下部固定ボタン分 */
}

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

a {
  color: var(--c-accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

/* =========================================================
   ヘッダー
   ========================================================= */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-divider);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.app-header h1 {
  font-size: 1.1rem;
  font-weight: 700;
}
.app-header .sub {
  font-size: 0.85rem;
  color: var(--c-text-weak);
  margin-top: 2px;
}
.icon-btn {
  background: transparent;
  border: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}
.icon-btn:active { background: var(--c-accent-soft); }

/* =========================================================
   メインコンテンツ
   ========================================================= */
main {
  max-width: 820px;
  margin: 0 auto;
  padding: 16px;
}

.section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-accent);
  border-left: 4px solid var(--c-accent);
  padding-left: 10px;
  margin: 24px 0 12px;
}

/* =========================================================
   未読持ち越しバナー
   ========================================================= */
.carryover {
  background: var(--c-accent-soft);
  border-radius: var(--radius-card);
  padding: 14px 16px;
  margin-bottom: 16px;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 12px;
}
.carryover .pin { font-size: 1.3rem; }
.carryover .count { font-weight: 700; color: var(--c-accent); }

/* =========================================================
   ダイジェスト（今日の論点）
   ========================================================= */
.digest {
  background: var(--c-card);
  border-radius: var(--radius-card);
  padding: 16px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-card);
}
.digest-banner {
  font-size: 0.9rem;
  color: var(--c-text-sub);
  margin-bottom: 12px;
  padding: 8px 12px;
  background: var(--c-accent-soft);
  border-radius: 8px;
}
.digest-point {
  padding: 14px 0;
  border-bottom: 1px solid var(--c-divider);
}
.digest-point:last-child { border-bottom: none; }
.digest-point .dp-head {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 6px;
}
.digest-point .dp-emoji { font-size: 1.2rem; }
.digest-point .dp-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  flex: 1;
}
.digest-point .dp-body {
  font-size: 0.95rem;
  color: var(--c-text-sub);
  margin: 6px 0 10px;
}
.digest-point .dp-toggle {
  font-size: 0.9rem;
  color: var(--c-accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 0;
}
.digest-point .dp-related {
  display: none;
  margin-top: 10px;
  padding-left: 28px;
}
.digest-point .dp-related.open { display: block; }
.digest-point .dp-why {
  display: none;
  font-size: 0.85rem;
  color: var(--c-text-weak);
  margin-top: 8px;
  padding-left: 28px;
}
.digest-point .dp-why.open { display: block; }

/* =========================================================
   記事カード
   ========================================================= */
.article-card {
  background: var(--c-card);
  border-radius: var(--radius-card);
  padding: 20px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-card);
  position: relative;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 12px;
}

.star-btn {
  width: 48px;
  height: 48px;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--c-text-weak);
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.12s;
}
.star-btn.active { color: var(--c-star); }
.star-btn:active { transform: scale(0.9); }

.article-main {
  min-width: 0;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.cat-tag {
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 600;
}
.read-time {
  color: var(--c-text-weak);
  font-size: 0.82rem;
}
.article-meta .dot { color: var(--c-text-weak); }

.article-title {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-text);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-summary {
  font-size: 1rem;
  color: var(--c-text-sub);
  line-height: 1.8;
  margin-bottom: 10px;
}

.why-toggle {
  background: transparent;
  border: none;
  color: var(--c-accent);
  font-size: 0.9rem;
  padding: 6px 0;
  min-height: 44px;
  cursor: pointer;
}
.why-panel {
  display: none;
  margin-top: 8px;
  padding: 12px;
  background: var(--c-accent-soft);
  border-radius: 8px;
  font-size: 0.9rem;
}
.why-panel.open { display: block; }
.why-panel ul {
  list-style: none;
  padding: 0;
}
.why-panel li {
  padding: 3px 0;
  padding-left: 18px;
  position: relative;
}
.why-panel li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--c-accent);
  font-weight: 700;
}
.why-actions {
  display: flex;
  gap: 10px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.btn-inline {
  border: 1px solid var(--c-divider);
  background: var(--c-card);
  color: var(--c-text);
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  cursor: pointer;
  min-height: 40px;
}
.btn-inline.danger { color: var(--c-error); }

/* exploration マーク */
.article-card[data-exploration="true"]::before {
  content: "✨ 新発見";
  position: absolute;
  top: 10px;
  right: 14px;
  font-size: 0.72rem;
  color: var(--c-text-weak);
}

/* =========================================================
   下部固定ボタン
   ========================================================= */
.bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: var(--c-bg);
  border-top: 1px solid var(--c-divider);
  z-index: 50;
}
.bottom-bar .btn-primary {
  width: 100%;
  height: 64px;
  border: none;
  background: var(--c-accent);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: var(--radius-card);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.bottom-bar .btn-primary:disabled {
  background: var(--c-disabled);
  cursor: not-allowed;
}

/* =========================================================
   空状態・ローディング
   ========================================================= */
.empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--c-text-weak);
  font-size: 0.95rem;
}
.empty .emoji { font-size: 2.5rem; margin-bottom: 12px; }

.loading {
  text-align: center;
  padding: 40px 20px;
  color: var(--c-text-weak);
}
.spinner {
  display: inline-block;
  width: 28px;
  height: 28px;
  border: 3px solid var(--c-divider);
  border-top-color: var(--c-accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* =========================================================
   縦読みビュー
   ========================================================= */
.reader-overlay {
  position: fixed;
  inset: 0;
  background: var(--c-bg);
  z-index: 1000;
  overflow-y: auto;
  display: none;
}
.reader-overlay.open { display: block; }
.reader-close {
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-divider);
  padding: 12px 16px;
  z-index: 10;
}
.reader-close button {
  background: transparent;
  border: none;
  font-size: 1rem;
  padding: 10px 14px;
  min-height: 48px;
  cursor: pointer;
  color: var(--c-accent);
}

.progress-badge {
  position: fixed;
  top: 60px;
  right: 14px;
  padding: 6px 10px;
  background: rgba(128, 128, 128, 0.4);
  color: var(--c-text);
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 500;
  backdrop-filter: blur(4px);
}

.reader-article {
  max-width: 680px;
  margin: 32px auto;
  padding: 0 20px 40px;
  border-bottom: 2px solid var(--c-divider);
}
.reader-article:last-child { border-bottom: none; }

.reader-article .ra-counter {
  font-size: 0.85rem;
  color: var(--c-text-weak);
  margin-bottom: 8px;
}
.reader-article .ra-meta {
  font-size: 0.85rem;
  color: var(--c-text-sub);
  margin-bottom: 6px;
}
.reader-article h2 {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 14px;
  color: var(--c-text);
}
.reader-article .ra-summary {
  font-size: 1rem;
  background: var(--c-accent-soft);
  padding: 14px 18px;
  border-radius: 10px;
  margin-bottom: 20px;
  line-height: 1.8;
}
.reader-article .ra-body {
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--c-text);
  white-space: pre-wrap;
}
.reader-article .ra-body p { margin-bottom: 14px; }
.reader-article .ra-unavailable {
  padding: 20px;
  background: var(--c-card);
  border-radius: 10px;
  color: var(--c-text-weak);
  text-align: center;
}
.reader-article .ra-open-original {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 20px;
  border: 1px solid var(--c-accent);
  border-radius: var(--radius-pill);
  color: var(--c-accent);
  font-size: 0.95rem;
  min-height: 48px;
  line-height: 24px;
}

/* =========================================================
   設定画面
   ========================================================= */
.settings-nav {
  background: var(--c-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
}
.settings-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--c-divider);
  color: var(--c-text);
  font-size: 1rem;
  min-height: 56px;
}
.settings-nav a:last-child { border-bottom: none; }
.settings-nav a:hover { background: var(--c-accent-soft); text-decoration: none; }
.settings-nav a .chev { color: var(--c-text-weak); }

.settings-section {
  background: var(--c-card);
  border-radius: var(--radius-card);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-card);
}
.settings-section h2 {
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.form-row {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}
.form-row label {
  font-size: 0.95rem;
  font-weight: 600;
}
.form-row input[type="text"],
.form-row input[type="url"],
.form-row input[type="number"],
.form-row textarea,
.form-row select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--c-divider);
  border-radius: 8px;
  background: var(--c-bg);
  font-size: 1rem;
  min-height: 48px;
}

.slider-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
}
.slider-row input[type="range"] {
  width: 100%;
  height: 28px;
}
.slider-row .value {
  font-weight: 700;
  min-width: 3rem;
  text-align: right;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-divider);
  min-height: 52px;
}
.toggle-row:last-child { border-bottom: none; }

.switch {
  position: relative;
  display: inline-block;
  width: 54px;
  height: 30px;
}
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--c-disabled);
  border-radius: 30px;
  transition: 0.2s;
}
.switch .slider::before {
  content: "";
  position: absolute;
  height: 24px;
  width: 24px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: 0.2s;
}
.switch input:checked + .slider {
  background: var(--c-accent);
}
.switch input:checked + .slider::before {
  transform: translateX(24px);
}

.list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-divider);
  gap: 12px;
  min-height: 56px;
}
.list-item:last-child { border-bottom: none; }
.list-item .info { flex: 1; min-width: 0; }
.list-item .title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 600;
}
.list-item .sub-row {
  font-size: 0.85rem;
  color: var(--c-text-weak);
  margin-top: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-dot.ok { background: var(--c-success); }
.status-dot.warn { background: var(--c-warn); }
.status-dot.err { background: var(--c-error); }
.status-dot.off { background: var(--c-disabled); }

.btn-primary-inline {
  background: var(--c-accent);
  color: #fff;
  border: none;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 48px;
}
.btn-secondary-inline {
  background: var(--c-card);
  color: var(--c-text);
  border: 1px solid var(--c-divider);
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  cursor: pointer;
  min-height: 48px;
}
.btn-danger-inline {
  background: var(--c-card);
  color: var(--c-error);
  border: 1px solid var(--c-error);
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  cursor: pointer;
  min-height: 48px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  background: var(--c-accent-soft);
  color: var(--c-accent);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  margin: 3px;
}
.chip button {
  background: none;
  border: none;
  color: var(--c-accent);
  cursor: pointer;
  font-weight: 700;
  margin-left: 4px;
}

.chip-input {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}
.chip-input input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--c-divider);
  border-radius: 8px;
  background: var(--c-bg);
  font-size: 0.95rem;
  min-height: 42px;
}
.chip-input button {
  padding: 8px 14px;
  background: var(--c-accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.95rem;
  min-height: 42px;
}

/* =========================================================
   モーダル / ダイアログ
   ========================================================= */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1500;
  padding: 16px;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--c-card);
  border-radius: var(--radius-card);
  padding: 24px;
  max-width: 420px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}
.modal h3 {
  font-size: 1.1rem;
  margin-bottom: 14px;
}
.modal .actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  justify-content: flex-end;
}

/* =========================================================
   ログイン画面
   ========================================================= */
.login-wrap {
  max-width: 420px;
  margin: 48px auto;
  padding: 32px 24px;
  background: var(--c-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}
.login-wrap h1 {
  font-size: 1.3rem;
  margin-bottom: 24px;
  text-align: center;
}
.login-wrap .form-row { margin-bottom: 16px; }
.login-wrap button.submit {
  width: 100%;
  padding: 14px;
  background: var(--c-accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  min-height: 52px;
}
.login-wrap .err {
  color: var(--c-error);
  font-size: 0.9rem;
  margin-top: 10px;
}

/* =========================================================
   トースト
   ========================================================= */
.toast {
  position: fixed;
  bottom: 110px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.85);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.toast.show { opacity: 1; }