/* Chatwork Log Viewer local viewer。Chatwork本体をリスペクトしたlight基調で、
   320px幅とdesktopの両方で横scrollなしに読めるようにする。 */
:root {
  color-scheme: light;
  --cw-navy: #10192e;
  --cw-logo: #1c2c7c;
  --cw-blue: #3b5bc7;
  --cw-blue-hover: #2f4aa8;
  --cw-bg: #f2f4f7;
  --cw-card: #ffffff;
  --cw-border: #d9dee5;
  --cw-text: #263042;
  --cw-muted: #7a8699;
  --cw-link: #2b5db9;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;
  line-height: 1.6;
  background: var(--cw-bg);
  color: var(--cw-text);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

/* KDDI Chatworkロゴをリスペクトしたitalic・極太のtextロゴ。画像・外部fontは使わない。 */
.brand {
  font-style: italic;
  font-weight: 900;
  letter-spacing: -0.02em;
  font-family: "Arial Black", "Avenir Next", system-ui, sans-serif;
}

.brand .brand-sub {
  font-weight: 700;
}

.dev-note {
  margin: 0;
  padding: 0.3rem 1.25rem;
  background: #fdf3e0;
  color: #7a5b1e;
  border-bottom: 1px solid #f0dfb8;
  font-size: 0.75rem;
}

/* ===== login画面 ===== */

.login-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 3.5rem 1rem 4rem;
  background: #f7f8fa;
  min-height: calc(100vh - 3rem);
}

.login-logo {
  color: var(--cw-logo);
  font-size: 2rem;
  margin: 0 0 2.25rem;
  text-align: center;
}

.login-card {
  background: var(--cw-card);
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(16, 25, 46, 0.08);
  width: 100%;
  max-width: 420px;
  padding: 2.5rem 2.5rem 2.75rem;
}

.login-card h2 {
  font-size: 1.5rem;
  font-weight: 500;
  text-align: center;
  margin: 0 0 2rem;
  color: #37414f;
}

.login-field {
  margin: 0 0 1.25rem;
}

.login-submit {
  margin-bottom: 0;
}

.login-field input {
  width: 100%;
  min-width: 0;
  padding: 0.85rem 0.9rem;
  font-size: 1rem;
  border: 1px solid #c3cad4;
  border-radius: 6px;
  background: #fff;
  color: var(--cw-text);
}

.login-field input::placeholder {
  color: #9aa4b2;
}

.login-field input:focus {
  outline: 2px solid var(--cw-blue);
  outline-offset: -1px;
  border-color: var(--cw-blue);
}

.btn-primary {
  display: block;
  width: 100%;
  padding: 0.9rem 1rem;
  background: var(--cw-blue);
  color: #fff;
  font-size: 1.0625rem;
  font-weight: 500;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--cw-blue-hover);
}

.alert {
  margin: 0 0 1.25rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid #b3261e;
  border-radius: 6px;
  background: #fdecea;
  color: #b3261e;
  font-size: 0.9375rem;
  overflow-wrap: anywhere;
}

/* ===== 検索画面 header ===== */

.app-header {
  background: var(--cw-navy);
  color: #fff;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  padding: 0.5rem 1.25rem;
  min-height: 56px;
}

.app-brand {
  margin: 0;
  font-size: 1.125rem;
  white-space: nowrap;
}

.header-search {
  flex: 1 1 14rem;
  max-width: 560px;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  padding: 0.3rem 0.45rem 0.3rem 0.85rem;
}

.header-search:focus-within {
  border-color: rgba(255, 255, 255, 0.5);
}

.header-search .search-icon {
  flex: 0 0 auto;
  opacity: 0.7;
}

.header-search input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  color: #fff;
  font-size: 0.9375rem;
  outline: none;
}

.header-search input::placeholder {
  color: rgba(255, 255, 255, 0.55);
}

#search-button {
  flex: 0 0 auto;
  background: var(--cw-blue);
  color: #fff;
  border: 0;
  border-radius: 6px;
  padding: 0.3rem 0.9rem;
  font-size: 0.875rem;
  cursor: pointer;
}

#search-button:hover:enabled {
  background: var(--cw-blue-hover);
}

#search-button:disabled {
  opacity: 0.6;
  cursor: default;
}

.header-user {
  margin-left: auto;
  position: relative;
  display: flex;
  align-items: center;
  font-size: 0.875rem;
  min-width: 0;
}

.session-user {
  margin: 0;
  min-width: 0;
  overflow-wrap: anywhere;
}

.logout-form {
  margin: 0;
}

/* ===== アカウントメニュー ===== */

#user-menu-button {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: transparent;
  border: 0;
  color: inherit;
  font: inherit;
  padding: 0.25rem 0.4rem;
  border-radius: 6px;
  cursor: pointer;
  min-width: 0;
}

#user-menu-button:hover,
#user-menu-button[aria-expanded="true"] {
  background: rgba(255, 255, 255, 0.08);
}

.caret {
  font-size: 0.6rem;
  opacity: 0.7;
  flex: 0 0 auto;
}

.user-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 20;
  background: #1b2740;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
  min-width: 200px;
  padding: 0.4rem 0;
  color: #e8ecf4;
}

.user-menu button,
.user-menu a {
  display: block;
  width: 100%;
  background: transparent;
  border: 0;
  color: inherit;
  text-align: left;
  font-size: 0.9rem;
  padding: 0.55rem 1.1rem;
  cursor: pointer;
  text-decoration: none;
}

.user-menu button:hover,
.user-menu a:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* ===== 環境設定モーダル ===== */

#settings-dialog {
  border: 0;
  border-radius: 12px;
  padding: 0;
  width: min(560px, calc(100vw - 2rem));
  color: var(--cw-text);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

#settings-dialog::backdrop {
  background: rgba(16, 25, 46, 0.45);
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--cw-border);
}

.settings-header h2 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
}

#settings-close {
  background: transparent;
  border: 0;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--cw-muted);
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: 6px;
}

#settings-close:hover {
  background: var(--cw-bg);
  color: var(--cw-text);
}

.settings-body {
  display: flex;
  min-width: 0;
}

.settings-tabs {
  flex: 0 0 150px;
  border-right: 1px solid var(--cw-border);
  background: #f7f8fa;
  padding: 0.75rem 0;
}

.settings-tab {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
  color: var(--cw-text);
  cursor: pointer;
  border-left: 3px solid transparent;
}

.settings-tab[aria-current="true"] {
  background: #eef2fb;
  color: var(--cw-blue);
  font-weight: 700;
  border-left-color: var(--cw-blue);
}

.settings-content {
  flex: 1;
  min-width: 0;
  padding: 1.25rem 1.5rem 1.5rem;
  margin: 0;
}

.settings-content h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.settings-desc {
  margin: 0 0 1.1rem;
  font-size: 0.8125rem;
  color: var(--cw-muted);
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin: 0 0 1.4rem;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  border: 1px solid var(--cw-border);
  border-radius: 8px;
  padding: 0.6rem 1rem;
  cursor: pointer;
  font-size: 0.9375rem;
}

.radio-option:hover {
  border-color: var(--cw-blue);
}

.radio-option:has(input:checked) {
  border-color: var(--cw-blue);
  background: #eef2fb;
  font-weight: 700;
}

.radio-option input {
  accent-color: var(--cw-blue);
  margin: 0;
}

.settings-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
}

#settings-cancel {
  background: var(--cw-card);
  border: 1px solid var(--cw-border);
  color: var(--cw-text);
  border-radius: 6px;
  padding: 0.5rem 1.3rem;
  font-size: 0.9375rem;
  cursor: pointer;
}

#settings-cancel:hover {
  border-color: var(--cw-muted);
}

#settings-save {
  background: var(--cw-blue);
  border: 0;
  color: #fff;
  border-radius: 6px;
  padding: 0.5rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
}

#settings-save:hover {
  background: var(--cw-blue-hover);
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: rgba(255, 255, 255, 0.9);
  border-radius: 6px;
  padding: 0.3rem 0.9rem;
  font-size: 0.8125rem;
  cursor: pointer;
  white-space: nowrap;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* ===== avatar ===== */

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: 700;
  font-style: normal;
  color: #fff;
  flex: 0 0 auto;
}

.avatar-me {
  background: #5b7bd5;
}

/* ===== 検索結果 ===== */

.results-wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 3rem;
}

/* 初期・0件・errorの案内は中央寄せで表示する。 */
#status {
  min-height: 1.5rem;
  margin: 0 0 0.75rem;
  color: var(--cw-muted);
  font-size: 0.9375rem;
  overflow-wrap: anywhere;
}

#status:not(:empty) {
  text-align: center;
  padding: 2.5rem 0.5rem;
}

#summary {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  color: var(--cw-muted);
  overflow-wrap: anywhere;
}

#items {
  list-style: none;
  margin: 0;
  padding: 0;
}

.result-card {
  background: var(--cw-card);
  border: 1px solid var(--cw-border);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  margin-bottom: 0.6rem;
  display: flex;
  gap: 0.85rem;
}

.result-body {
  min-width: 0;
  flex: 1;
}

.result-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 0.75rem;
  margin: 0 0 0.2rem;
}

.sender {
  font-weight: 700;
  font-size: 0.9375rem;
  overflow-wrap: anywhere;
}

.room-tag {
  font-size: 0.75rem;
  color: var(--cw-link);
  background: #eef2fb;
  border-radius: 4px;
  padding: 0.05rem 0.5rem;
  overflow-wrap: anywhere;
}

.timestamp {
  font-size: 0.75rem;
  color: var(--cw-muted);
  margin-left: auto;
  white-space: nowrap;
}

.deleted-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: #b3261e;
  background: #fdecea;
  border-radius: 4px;
  padding: 0.05rem 0.5rem;
}

.message-text {
  margin: 0;
  font-size: 0.9375rem;
  /* 本文の改行を維持し、長いtokenでも320px幅で横scrollを起こさない。 */
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.deleted-text {
  color: var(--cw-muted);
  font-style: italic;
}

mark {
  background: #fff1a8;
  color: inherit;
  border-radius: 2px;
  padding: 0 0.1em;
}

/* ===== pagination ===== */

#pager {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 0 0.75rem;
}

#pager button {
  background: var(--cw-card);
  border: 1px solid var(--cw-border);
  color: var(--cw-text);
  border-radius: 6px;
  padding: 0.45rem 1.4rem;
  font-size: 0.9375rem;
  cursor: pointer;
}

#pager button:disabled {
  color: #b6bec9;
  cursor: default;
}

#pager button:not(:disabled):hover {
  border-color: var(--cw-blue);
  color: var(--cw-blue);
}

/* 320px付近ではheaderを縦に折り返し、検索boxを全幅にする。 */
@media (max-width: 560px) {
  .app-header {
    gap: 0.5rem 0.75rem;
  }

  .header-search {
    order: 3;
    flex-basis: 100%;
    max-width: none;
  }

  .header-user {
    margin-left: auto;
  }

  .login-card {
    padding: 1.75rem 1.25rem 2rem;
  }

  /* 狭い幅ではモーダルのタブを上へ折り返す。 */
  .settings-body {
    flex-direction: column;
  }

  .settings-tabs {
    flex: none;
    display: flex;
    border-right: 0;
    border-bottom: 1px solid var(--cw-border);
    padding: 0;
  }

  .settings-tab {
    width: auto;
    border-left: 0;
    border-bottom: 3px solid transparent;
  }

  .settings-tab[aria-current="true"] {
    border-left: 0;
    border-bottom-color: var(--cw-blue);
  }
}

/* ===== データ管理（管理者専用） ===== */

.admin-header-user {
  gap: 0.75rem;
}

.header-link {
  color: #dfe6f2;
  font-size: 0.875rem;
  text-decoration: none;
  white-space: nowrap;
}

.header-link:hover {
  text-decoration: underline;
}

.admin-header-user #logout-button {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: inherit;
  font: inherit;
  font-size: 0.8125rem;
  padding: 0.3rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
}

.admin-header-user #logout-button:hover {
  background: rgba(255, 255, 255, 0.08);
}

.admin-wrap h1 {
  font-size: 1.375rem;
  margin: 0.5rem 0 1rem;
}

.admin-wrap h2 {
  font-size: 1.0625rem;
  margin: 0 0 0.5rem;
}

#import-form,
.admin-job {
  background: var(--cw-card);
  border: 1px solid var(--cw-border);
  border-radius: 10px;
  padding: 1.25rem;
  margin: 0 0 1.25rem;
}

.admin-field {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  margin: 0 0 0.9rem;
}

.admin-field label {
  flex: 0 0 10rem;
  font-weight: 500;
}

.admin-field input[type="file"] {
  flex: 1 1 14rem;
  min-width: 0;
  font: inherit;
}

.admin-replace-note {
  margin: 0 0 0.75rem;
  padding: 0.5rem 0.75rem;
  background: #fdf3e0;
  border: 1px solid #f0dfb8;
  border-radius: 6px;
  color: #7a5b1e;
  font-size: 0.875rem;
}

.admin-notice {
  margin: 0 0 0.75rem;
  color: #b3372f;
  font-size: 0.9rem;
  min-height: 1.2rem;
  overflow-wrap: anywhere;
}

.admin-upload {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
}

/* display: flexがhidden attributeを上書きしないようにする。 */
.admin-upload[hidden] {
  display: none;
}

.admin-upload progress {
  flex: 1 1 auto;
  min-width: 0;
}

.admin-actions {
  margin: 0;
}

.admin-actions .btn-primary {
  display: inline-block;
  width: auto;
  padding: 0.65rem 1.5rem;
  font-size: 0.9375rem;
}

.admin-actions .btn-primary:disabled {
  opacity: 0.5;
  cursor: default;
}

#cancel-import {
  background: #fff;
  border: 1px solid var(--cw-border);
  border-radius: 6px;
  color: var(--cw-text);
  font: inherit;
  font-size: 0.875rem;
  padding: 0.45rem 1.1rem;
  cursor: pointer;
}

#cancel-import:not(:disabled):hover {
  border-color: #b3372f;
  color: #b3372f;
}

#cancel-import:disabled {
  color: #b6bec9;
  cursor: default;
}

.admin-job-line {
  margin: 0 0 0.4rem;
  overflow-wrap: anywhere;
}

#job-phase {
  font-weight: 600;
}

#job-actor {
  color: var(--cw-muted);
  font-size: 0.875rem;
}

.admin-warnings {
  margin: 0 0 0.4rem;
  padding-left: 1.25rem;
  color: #7a5b1e;
  font-size: 0.875rem;
}

.admin-warnings:empty {
  display: none;
}

/* 320px付近ではfile labelを上に折り返す。 */
@media (max-width: 560px) {
  .admin-field label {
    flex-basis: 100%;
  }

  .admin-header-user {
    flex-wrap: wrap;
    justify-content: flex-end;
  }
}