/* ============================================================
 * ultra-z-admin / 運営ポータル共通スタイル
 * テーマ：ウルトラの父（重厚・硬派）
 * 基調色：宇宙色 #0B1842
 * 対象：PC専用（最低幅 1280px・レスポンシブ非対応）
 * ============================================================ */

:root {
  --color-space: #0B1842;
  --color-space-deep: #060E2A;
  --color-space-light: #1A2D6B;
  --color-accent: #C9A24B;        /* 父の徽章ゴールド */
  --color-accent-soft: #E6CB8A;
  --color-text: #1A1A1A;
  --color-text-muted: #5A6580;
  --color-bg: #F5F7FB;
  --color-bg-card: #FFFFFF;
  --color-border: #D9DEEA;
  --color-danger: #B23A3A;
  --color-success: #2F8F5E;
  --shadow-card: 0 4px 20px rgba(11, 24, 66, 0.08);
  --shadow-card-strong: 0 8px 32px rgba(11, 24, 66, 0.16);
  --radius: 8px;
  --radius-lg: 12px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-width: 1280px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN",
               "Yu Gothic", "Noto Sans JP", "Meiryo", sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

/* ---- ログイン画面 ---- */
.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-space-deep) 0%, var(--color-space) 60%, var(--color-space-light) 100%);
  padding: 24px;
}

.login-card {
  width: 420px;
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 40px 32px 32px;
  box-shadow: var(--shadow-card-strong);
  border-top: 4px solid var(--color-accent);
}

.login-card__brand { text-align: center; margin-bottom: 28px; }

.login-card__title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-space);
  margin: 0 0 4px;
}

.login-card__subtitle {
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 0.12em;
  margin: 0;
}

.login-card__crest {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--color-space);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.05em;
  box-shadow: inset 0 0 0 2px var(--color-accent);
}

.form-row { margin-bottom: 18px; }

.form-row__label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.form-row__input {
  width: 100%;
  padding: 12px 14px;
  font-size: 15px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #FBFCFE;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  font-family: inherit;
  letter-spacing: 0.2em;
  text-align: center;
}

.form-row__input:focus {
  border-color: var(--color-space);
  box-shadow: 0 0 0 3px rgba(11, 24, 66, 0.12);
  background: #fff;
}

.btn {
  display: inline-block;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: var(--radius);
  transition: background .15s, transform .05s;
  letter-spacing: 0.04em;
}

.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--color-space);
  color: #fff;
  width: 100%;
}

.btn--primary:hover { background: var(--color-space-light); }
.btn--primary:disabled { background: #8A93AE; cursor: not-allowed; }

.btn--ghost {
  background: transparent;
  color: var(--color-space);
  border: 1px solid var(--color-border);
}

.btn--ghost:hover { background: #EEF1F8; }

.alert {
  padding: 10px 12px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 14px;
}

.alert--error {
  background: #FBECEC;
  color: var(--color-danger);
  border: 1px solid #EFC8C8;
}

.alert--info {
  background: #EEF2FA;
  color: var(--color-space);
  border: 1px solid #CDD6E8;
}

.login-card__hint {
  margin-top: 20px;
  font-size: 11px;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.7;
}

/* ---- ダッシュボード ---- */
.app-header {
  background: var(--color-space);
  color: #fff;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 3px solid var(--color-accent);
  box-shadow: var(--shadow-card);
}

.app-header__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.app-header__brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-space-deep);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  box-shadow: inset 0 0 0 2px var(--color-accent);
}

.app-header__title { font-size: 16px; margin: 0; }

.app-header__sub {
  font-size: 11px;
  color: var(--color-accent-soft);
  letter-spacing: 0.16em;
  margin-left: 8px;
}

.app-header__user {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

.app-header__user-name { color: var(--color-accent-soft); }

.app-header__logout {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.4);
  padding: 6px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 12px;
  font-family: inherit;
}

.app-header__logout:hover { background: rgba(255,255,255,0.12); }

.app-main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 24px 60px;
}

.page-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-space);
  margin: 0 0 4px;
  letter-spacing: 0.04em;
}

.page-subtitle {
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  margin: 0 0 24px;
}

.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.card__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-space);
  margin: 0;
  letter-spacing: 0.04em;
}

.card__badge {
  font-size: 11px;
  background: var(--color-space);
  color: #fff;
  padding: 3px 10px;
  border-radius: 999px;
  letter-spacing: 0.08em;
}

.placeholder {
  padding: 36px 20px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  text-align: center;
  color: var(--color-text-muted);
  background: #FAFBFE;
}

.placeholder__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-space);
  margin: 0 0 6px;
  letter-spacing: 0.04em;
}

.placeholder__desc {
  font-size: 12px;
  margin: 0;
  letter-spacing: 0.04em;
}

.kv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 12px;
}

.kv-grid__item {
  background: #F7F9FD;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px 12px;
}

.kv-grid__label {
  display: block;
  font-size: 10px;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 2px;
}

.kv-grid__value {
  font-size: 13px;
  color: var(--color-space);
  font-weight: 600;
  word-break: break-all;
}

.app-footer {
  text-align: center;
  font-size: 11px;
  color: var(--color-text-muted);
  padding: 20px 16px;
  letter-spacing: 0.08em;
}

/* ============================================================
 * ユーザー一覧テーブル（第5-C段階）
 * ============================================================ */

.card-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.clients-count {
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.clients-loading,
.clients-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-text-muted);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  font-size: 14px;
  margin-top: 12px;
}

.clients-empty {
  padding: 48px 20px;
  background: #FAFBFE;
}

.clients-empty p {
  margin: 0;
}

.clients-empty__hint {
  margin-top: 8px;
  font-size: 12px;
}

.clients-error {
  margin-top: 12px;
  padding: 16px 20px;
  background-color: rgba(220, 53, 69, 0.06);
  color: #8B1A22;
  border: 1px solid rgba(220, 53, 69, 0.3);
  border-radius: var(--radius);
  font-size: 13px;
  line-height: 1.5;
}

.clients-error p {
  margin: 0 0 10px 0;
}

.clients-table-wrap {
  overflow-x: auto;
  margin-top: 12px;
}

.clients-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.clients-table thead th {
  text-align: left;
  padding: 10px 12px;
  background-color: rgba(11, 24, 66, 0.04);
  border-bottom: 2px solid var(--color-border);
  font-weight: 600;
  color: var(--color-space);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.clients-table tbody td {
  padding: 12px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.clients-table tbody tr:hover {
  background-color: rgba(11, 24, 66, 0.02);
}

.td-clientId {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  color: var(--color-space);
}

.td-num,
.td-fee {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.td-grade {
  font-weight: 500;
  text-align: center;
}

.td-grade--アストラ {
  background-color: rgba(11, 24, 66, 0.08);
}

.td-grade--レオ {
  background-color: rgba(212, 175, 55, 0.15);
  font-weight: 700;
  color: #8B6914;
}

.td-grade--unknown {
  color: #8B1A22;
}

.td-status--active {
  color: var(--color-success);
  font-weight: 500;
}

.td-status--suspended {
  color: #C77520;
}

.td-status--terminated {
  color: var(--color-text-muted);
}

.btn-secondary {
  padding: 6px 14px;
  background-color: var(--color-bg);
  color: var(--color-space);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  transition: background-color 0.15s;
}

.btn-secondary:hover {
  background-color: rgba(11, 24, 66, 0.04);
}

.btn-secondary:active {
  transform: translateY(1px);
}

.btn-secondary:disabled {
  background-color: #EAECEF;
  color: #999;
  cursor: not-allowed;
}

/* ============================================================
 * 第6段階：汎用ボタン・モーダル
 *   - btn-primary  : 保存系（モーダル等）。既存 .btn--primary とは別系統
 *   - btn-danger   : 破壊的操作（将来の削除・解約等。第6段階では未使用だが共通定義）
 *   - btn-edit     : 一覧の操作列リンク（dashboard.html clients-table）
 *   - modal-*      : edit.html のスタッフ編集モーダル＋汎用 confirm モーダル
 * ============================================================ */

.btn-primary {
  display: inline-block;
  padding: 8px 20px;
  background: var(--color-space);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: background-color 0.15s;
}

.btn-primary:hover { background: var(--color-space-light); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary:disabled { background: #8A93AE; cursor: not-allowed; }

.btn-danger {
  display: inline-block;
  padding: 8px 20px;
  background: var(--color-danger);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: background-color 0.15s;
}

.btn-danger:hover { background: #8B2929; }
.btn-danger:active { transform: translateY(1px); }
.btn-danger:disabled { background: #B8A0A0; cursor: not-allowed; }

.btn-edit {
  display: inline-block;
  padding: 4px 14px;
  background: var(--color-space);
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: background-color 0.15s;
}

.btn-edit:hover { background: var(--color-space-light); text-decoration: none; }
.btn-edit:active { transform: translateY(1px); }

.td-action {
  text-align: center;
}

/* ---- モーダル共通 -------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 24, 66, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.modal-overlay[hidden] { display: none; }

.modal-content {
  background: #fff;
  padding: 28px 32px 24px;
  border-radius: var(--radius-lg);
  min-width: 520px;
  max-width: 760px;
  box-shadow: var(--shadow-card-strong);
  border-top: 4px solid var(--color-accent);
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-space);
  margin: 0 0 16px;
  letter-spacing: 0.04em;
}

.modal-body {
  margin: 0 0 20px;
  line-height: 1.6;
  font-size: 14px;
  color: var(--color-text);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}