/*
  労務相談ログ ナレッジ化AI デモ — スマホファーストUI
  Clean design system トークン準拠（denchoho-ai-demo/public/style.css と揃えている）
  - 余白: 8ptベースライングリッド
  - タイポグラフィスケール: 12/14/16/20/24/32
  - 配色: primary #3B82F6 / neutral #111827 / success #16A34A / warning #D97706 / danger #DC2626 / surface #FFFFFF
  - タップターゲット: 44px以上
*/

:root {
  --color-primary: #3B82F6;
  --color-primary-dark: #1D4ED8;
  --color-success: #16A34A;
  --color-warning: #D97706;
  --color-danger: #DC2626;
  --color-surface: #FFFFFF;
  --color-text: #111827;
  --color-text-muted: #4B5563;
  --color-border: #E5E7EB;
  --color-bg: #F9FAFB;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;

  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 20px;
  --font-size-xl: 24px;
  --font-size-2xl: 32px;

  --radius: 12px;
  --radius-sm: 8px;
  --font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Roboto", system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-primary-dark);
}

.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;
}

/* ------------------------------------------------------------------ */
/* Header                                                              */
/* ------------------------------------------------------------------ */
.app-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-2) var(--space-2);
}

.app-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1) var(--space-2);
  max-width: 720px;
  margin: 0 auto;
}

.app-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 12px;
  border-radius: 999px;
  font-size: var(--font-size-xs);
  font-weight: 700;
  background-color: #DBEAFE;
  color: #1E3A8A;
  border: 1px solid var(--color-primary);
  white-space: nowrap;
}

.app-subtitle {
  max-width: 720px;
  margin: var(--space-1) auto 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* ------------------------------------------------------------------ */
/* Privacy warning banner（機微情報の警告。常に目立つ位置に表示する）      */
/* ------------------------------------------------------------------ */
.privacy-warning {
  display: flex;
  align-items: flex-start;
  gap: var(--space-1);
  max-width: 720px;
  margin: var(--space-2) auto 0;
  padding: var(--space-2);
  background-color: #FEF2F2;
  border: 2px solid var(--color-danger);
  border-radius: var(--radius-sm);
  color: #991B1B;
}

@media (min-width: 480px) {
  .privacy-warning {
    margin: var(--space-2) var(--space-2) 0;
  }
}

.privacy-warning__icon {
  font-size: var(--font-size-lg);
  line-height: 1.4;
  flex: none;
}

.privacy-warning p {
  margin: 0;
  font-size: var(--font-size-sm);
  font-weight: 600;
}

/* ------------------------------------------------------------------ */
/* Main layout                                                         */
/* ------------------------------------------------------------------ */
.app-main {
  flex: 1;
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-2) var(--space-2) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-2);
}

@media (min-width: 480px) {
  .card {
    padding: var(--space-3);
  }
}

.card__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin: 0 0 var(--space-2);
}

/* ------------------------------------------------------------------ */
/* Sample buttons                                                       */
/* ------------------------------------------------------------------ */
.sample-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

@media (min-width: 560px) {
  .sample-buttons {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

.button--sample {
  flex: 1 1 auto;
  min-height: 44px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-primary);
  background-color: #EFF6FF;
  color: var(--color-primary-dark);
  font-size: var(--font-size-sm);
  font-weight: 700;
  cursor: pointer;
  text-align: center;
}

.button--sample:hover {
  background-color: #DBEAFE;
}

.button--sample:focus-visible {
  outline: 3px solid var(--color-primary-dark);
  outline-offset: 2px;
}

/* ------------------------------------------------------------------ */
/* Analyze form                                                         */
/* ------------------------------------------------------------------ */
.analyze-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

#log-input {
  width: 100%;
  min-height: 160px;
  padding: var(--space-2);
  font-family: inherit;
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  resize: vertical;
}

#log-input:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.char-counter {
  align-self: flex-end;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.char-counter--over {
  color: var(--color-danger);
  font-weight: 700;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  width: 100%;
}

@media (min-width: 480px) {
  .button {
    width: auto;
  }
}

.button--primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  margin-top: var(--space-1);
}

.button--primary:hover {
  background-color: var(--color-primary-dark);
}

.button--primary:disabled {
  background-color: var(--color-border);
  color: var(--color-text-muted);
  cursor: not-allowed;
}

.button--secondary {
  background-color: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}

.button--secondary:hover {
  background-color: var(--color-bg);
}

.button:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* ------------------------------------------------------------------ */
/* Status messages / spinner                                            */
/* ------------------------------------------------------------------ */
.analyze-status {
  margin-top: var(--space-2);
  min-height: 0;
}

.analyze-status:empty {
  margin-top: 0;
}

.status-message {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
}

.status-message--loading {
  background-color: #EFF6FF;
  color: #1E3A8A;
  border: 1px solid var(--color-primary);
}

.status-message--success {
  background-color: #DCFCE7;
  color: #166534;
  border: 1px solid var(--color-success);
}

.status-message--error {
  background-color: #FEE2E2;
  color: #991B1B;
  border: 1px solid var(--color-danger);
}

.spinner {
  width: 18px;
  height: 18px;
  flex: none;
  border-radius: 50%;
  border: 3px solid rgba(29, 78, 216, 0.25);
  border-top-color: var(--color-primary-dark);
  animation: spin 800ms linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .spinner {
    animation-duration: 2000ms;
  }
}

.notice-box {
  margin-top: var(--space-2);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
}

.notice-box p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.notice-box p + p {
  margin-top: 6px;
}

/* ------------------------------------------------------------------ */
/* Result card                                                          */
/* ------------------------------------------------------------------ */
.result-card-section.is-hidden {
  display: none;
}

.result-card-section--high-risk {
  border-color: var(--color-danger);
  border-width: 2px;
  background-color: #FEF2F2;
}

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.risk-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: var(--font-size-sm);
  font-weight: 700;
  white-space: nowrap;
}

.risk-badge--high {
  background-color: #FEE2E2;
  color: #991B1B;
  border: 1px solid var(--color-danger);
}

.risk-badge--mid {
  background-color: #FEF3C7;
  color: #92400E;
  border: 1px solid var(--color-warning);
}

.risk-badge--low {
  background-color: #DCFCE7;
  color: #166534;
  border: 1px solid var(--color-success);
}

.risk-badge--unconfirmed {
  background-color: #F3F4F6;
  color: #374151;
  border: 1px solid #9CA3AF;
}

.result-detail {
  margin: var(--space-2) 0 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.result-detail__row dt {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0 0 4px;
}

.result-detail__row dd {
  margin: 0;
  font-size: var(--font-size-base);
  overflow-wrap: anywhere;
}

.matched-keywords {
  margin-top: var(--space-2);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  background-color: #FFFBEB;
  border: 1px solid var(--color-warning);
}

.matched-keywords.is-hidden {
  display: none;
}

.matched-keywords__label {
  margin: 0 0 8px;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: #92400E;
}

.matched-keywords__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.keyword-chip {
  display: inline-flex;
  padding: 2px 10px;
  border-radius: 999px;
  background-color: #FEF3C7;
  color: #92400E;
  font-size: var(--font-size-xs);
  font-weight: 700;
  border: 1px solid var(--color-warning);
}

/* ------------------------------------------------------------------ */
/* Notice section                                                       */
/* ------------------------------------------------------------------ */
.notice-card {
  background-color: var(--color-bg);
}

.notice-list {
  margin: 0;
  padding-left: 1.2em;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ------------------------------------------------------------------ */
/* Footer                                                               */
/* ------------------------------------------------------------------ */
.app-footer {
  background-color: var(--color-text);
  color: #F9FAFB;
  padding: var(--space-2);
  text-align: center;
  font-size: var(--font-size-sm);
}

.app-footer p {
  max-width: 720px;
  margin: 0 auto;
}

.app-footer p + p {
  margin-top: 4px;
}

.app-footer a {
  color: #BFDBFE;
}