/* 基本レイアウト */
:root {
  --bg: #f4f7fb;
  --panel: #ffffff;
  --panel-soft: #f7fafc;
  --line: #d9e2ef;
  --line-warm: #f0d8c8;
  --accent: #2b7fff;
  --accent-strong: #1f6ad8;
  --muted: #6c7a89;
  --text: #0f172a;
  --shadow: 0 10px 30px rgba(31, 82, 127, 0.12);
  --shadow-warm: 0 12px 26px rgba(228, 148, 102, 0.12);
  --pane-other-start: #fff7f0;
  --pane-other-end: #ffffff;
}

html {
  font-size: 18px;
}

body {
  background: var(--bg);
  font-family: 'Inter', 'Noto Sans JP', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
}

.no-scroll {
  overflow: hidden;
}

.vh-center {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.app-footer {
  font-size: 0.9rem;
  color: var(--muted);
}

.touch-target {
  min-height: 48px;
}

.form-control::placeholder {
  color: #adb5bd;
}

.template-btn:hover .text-secondary {
  color: var(--accent-strong) !important;
}

.main-search {
  box-shadow: var(--shadow);
  border-radius: 18px;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--panel);
}

.main-search .form-control {
  font-size: 1.05rem;
  padding: 0.9rem 1.1rem;
  border: none;
  background: transparent;
}

.main-search .form-control:focus {
  box-shadow: none;
}

.main-search .btn {
  font-size: 1.05rem;
  padding: 0.9rem 1.3rem;
  border: none;
  background: linear-gradient(120deg, var(--accent), var(--accent-strong));
  box-shadow: 0 8px 16px rgba(43, 127, 255, 0.25);
}

.btn-primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-strong));
  border: none;
  box-shadow: 0 10px 20px rgba(43, 127, 255, 0.25);
}

.btn-primary:active,
.btn-primary:focus {
  box-shadow: 0 4px 12px rgba(43, 127, 255, 0.22);
}

.btn-outline-secondary {
  border: 1px solid var(--line);
  color: var(--text);
  background: var(--panel-soft);
}

.btn-outline-secondary:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
  background: #e8f1ff;
}

/* 結果画面レイアウト */
.pane {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.07);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.pane.ja {
  background: linear-gradient(180deg, #f4f8ff, #ffffff);
}

.pane.other {
  background: linear-gradient(180deg, var(--pane-other-start), var(--pane-other-end));
  border-color: var(--line-warm);
  /* box-shadow: var(--shadow-warm); */
}

.pane-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
  color: var(--muted);
}

.pane-body {
  padding: 16px 18px;
  overflow: auto;
}

.results-header {
  align-items: flex-start !important;
}

.results-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  padding-top: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  width: 100vw;
  margin-left: calc(50% - 50vw);
  padding-left: calc(50vw - 50% + 12px);
  padding-right: calc(50vw - 50% + 12px);
}

.results-header .back-btn {
  flex: 0 0 auto;
  white-space: nowrap;
}

.results-header .query-block {
  flex: 1 1 auto;
  min-width: 0;
}

.inline-search-row .btn {
  width: 100%;
}

.inline-search-row .btn.w-md-auto {
  width: auto;
}

.query-display {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.query-label {
  color: var(--muted);
  font-weight: 600;
  font-size: 1.1rem;
}

.query-value {
  font-weight: 700;
  font-size: 1.1rem;
  word-break: break-word;
}

/* 画面切り替え */
[data-screen] {
  display: none;
}

[data-screen].active {
  display: block;
}

/* ローディングオーバーレイ */
#loading-indicator {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 9999;
  margin: 0 !important;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 12px;
}

/* フィードバックエリア */
#feedback-panel {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 16px 12px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(6px);
  z-index: 999;
}

#screen-results {
  padding-bottom: 40px;
}

.results-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  z-index: 1;
  padding-top: 16px;
}

.result-block {
  background: var(--panel);
  background-image: none;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  z-index: 0;
}

.result-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.result-header .query-display {
  flex: 1 1 auto;
  min-width: 0;
}

.result-header .rephrase-btn {
  white-space: nowrap;
  align-self: flex-start;
}

.rephrase-indicator {
  font-size: 0.95rem;
  color: var(--muted);
  align-self: flex-start;
  white-space: nowrap;
  padding: 4px 8px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: #eef3fb;
}

.rephrase-hint {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 24px;
}

.result-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.result-panes {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feedback-inline {
  text-align: center;
  border-top: 1px dashed var(--line);
  padding-top: 8px;
}

.feedback-inline .btn {
  min-width: 160px;
}

/* Markdown-like styling for answers */
.html-content {
  line-height: 1.65;
  color: var(--text);
  white-space: normal;
  font-size: 1rem;
}

.html-content h1,
.html-content h2,
.html-content h3,
.html-content h4,
.html-content h5,
.html-content h6 {
  margin: 0 0 0.35rem;
  font-weight: 700;
}

.html-content p {
  margin: 0 0 0.75rem;
}

.html-content ul,
.html-content ol {
  margin: 0 0 0.75rem 0;
  padding-left: 1.25rem;
}

.html-content li {
  margin-bottom: 0.35rem;
}

.html-content code {
  background: #eef2f6;
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
  font-size: 0.95em;
}

.option-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-top: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.option-panel .form-text {
  color: var(--muted);
}

#country-desc,
#lang-desc {
  color: #000 !important;
}

#country-desc .text-secondary,
#lang-desc .text-secondary {
  color: #000 !important;
}

.option-panel .option-title {
  font-size: 0.95rem;
}

.option-panel .form-label,
.option-panel select,
.option-panel .form-text {
  font-size: 0.95rem;
}

.option-panel .option-header {
  margin-bottom: -4px;
}

.option-panel .option-arrow {
  color: var(--muted);
  margin: 4px 0;
  font-size: 0.9rem;
  line-height: 1;
}

.suggestions {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
}

.suggestions .suggest-title {
  font-weight: 600;
  margin-bottom: 6px;
}

.suggestions .suggest-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}