/* ============================================
   資産ダッシュボード - スタイルシート
   方針: モノクロ / システムフォント / 装飾なし
   赤色は警告状態のみ
   ============================================ */

:root {
  --bg: #0d0d0d;
  --bg-elev: #161616;
  --bg-card: #1a1a1a;
  --bg-input: #1f1f1f;
  --border: #2a2a2a;
  --border-soft: #1f1f1f;
  --border-strong: #3a3a3a;

  --text: #ededed;
  --text-dim: #9a9a9a;
  --text-faint: #5a5a5a;

  --alert: #e84545;
  --alert-soft: rgba(232, 69, 69, 0.13);
  --alert-border: rgba(232, 69, 69, 0.4);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  --font-num: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

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

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-weight: 400;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

button { font-family: inherit; cursor: pointer; border: none; background: transparent; color: inherit; }
input, select, textarea { font-family: inherit; }
.hidden { display: none !important; }

/* ============================================
   ログイン
   ============================================ */
.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 32px 28px;
}

.brand {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 24px;
  text-align: center;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.login-form label {
  font-size: 13px;
  color: var(--text-dim);
}

.login-form input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  font-size: 15px;
  transition: border-color .15s;
}

.login-form input:focus {
  outline: none;
  border-color: var(--text-dim);
}

.login-form button {
  margin-top: 10px;
  background: var(--text);
  color: var(--bg);
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 500;
  transition: background .15s;
}

.login-form button:hover { background: #fff; }

.error-msg {
  color: var(--alert);
  font-size: 13px;
  min-height: 1em;
  margin-top: 4px;
}

/* ============================================
   アプリ
   ============================================ */
.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 16px 80px;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.brand-small {
  font-size: 14px;
  font-weight: 600;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.last-updated {
  font-size: 12px;
  color: var(--text-dim);
}

.last-updated.stale {
  color: var(--alert);
}

/* ============================================
   ヒーロー（純資産）
   ============================================ */
.hero {
  padding: 16px 0 28px;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 24px;
}

.hero-label {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.hero-value {
  font-weight: 500;
  font-size: clamp(36px, 6vw, 52px);
  line-height: 1.1;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.hero-value.negative { color: var(--alert); }

.hero-sub {
  font-size: 12px;
  color: var(--text-faint);
  margin-top: 8px;
}

/* ============================================
   サマリーグリッド
   ============================================ */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1px;
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  margin-bottom: 32px;
}

.summary-card {
  background: var(--bg-card);
  padding: 16px 16px;
  position: relative;
}

.summary-card.negative .card-value,
.summary-card.critical .card-value {
  color: var(--alert);
}

.summary-card.critical {
  background: linear-gradient(180deg, var(--bg-card), rgba(232, 69, 69, 0.06));
}

.summary-card.critical::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--alert);
}

.card-label {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.card-value {
  font-weight: 500;
  font-size: 20px;
  line-height: 1.1;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.card-sub {
  font-size: 11px;
  color: var(--text-faint);
  margin-top: 6px;
}

/* ============================================
   タブ
   ============================================ */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tab {
  padding: 10px 16px;
  font-size: 14px;
  color: var(--text-dim);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color .15s, border-color .15s;
  white-space: nowrap;
}

.tab:hover { color: var(--text); }

.tab.active {
  color: var(--text);
  border-bottom-color: var(--text);
  font-weight: 500;
}

.tab .alert-dot {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--alert);
  border-radius: 50%;
  margin-left: 6px;
  vertical-align: middle;
}

/* ============================================
   パネル
   ============================================ */
.panel { display: none; }
.panel.active { display: block; }

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.panel-head h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.btn-add {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: 6px 14px;
  font-size: 13px;
  transition: background .15s, border-color .15s;
}

.btn-add:hover {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

/* ============================================
   項目リスト
   ============================================ */
.item-list { display: flex; flex-direction: column; }

.item-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  border-bottom: 1px solid var(--border-soft);
  cursor: pointer;
  transition: background .15s;
  position: relative;
}

.item-row:hover { background: var(--bg-card); }

.item-row.critical {
  background: linear-gradient(90deg, var(--alert-soft), transparent 60%);
}

.item-row.critical::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--alert);
}

.item-row .item-main { flex: 1; min-width: 0; }
.item-row .item-name {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 2px;
  font-weight: 500;
}

.item-row .item-meta {
  font-size: 12px;
  color: var(--text-faint);
}

.item-row .item-meta .alert-tag {
  color: var(--alert);
  font-weight: 500;
  margin-left: 8px;
}

.item-row .item-value {
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  margin-left: 12px;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.item-row.critical .item-value,
.item-row.negative .item-value { color: var(--alert); }

.empty-msg {
  text-align: center;
  padding: 32px 16px;
  color: var(--text-faint);
  font-size: 13px;
  border: 1px dashed var(--border);
}

.empty-msg.hidden { display: none; }

/* ============================================
   アラートバナー
   ============================================ */
.alert-banner {
  background: var(--alert-soft);
  border: 1px solid var(--alert-border);
  border-left-width: 3px;
  padding: 10px 14px;
  margin-bottom: 20px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--text);
}

.alert-banner.hidden { display: none; }

.alert-banner-icon {
  color: var(--alert);
  font-weight: 700;
  flex-shrink: 0;
  width: 20px; height: 20px;
  display: grid; place-items: center;
  border: 1.5px solid var(--alert);
  border-radius: 50%;
  font-size: 12px;
  line-height: 1;
}

.alert-banner-text { flex: 1; }

.alert-banner-text strong {
  color: var(--alert);
  font-weight: 600;
  display: block;
  font-size: 12px;
  margin-bottom: 2px;
}

/* ============================================
   フッター
   ============================================ */
.app-footer {
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 20px 0;
  border-top: 1px solid var(--border-soft);
  margin-top: 32px;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 6px 14px;
  font-size: 12px;
  transition: border-color .15s, color .15s;
}

.btn-ghost:hover {
  border-color: var(--text-dim);
  color: var(--text);
}

/* ============================================
   モーダル
   ============================================ */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 100;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 460px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-soft);
}

.modal-head h4 {
  font-size: 14px;
  font-weight: 600;
}

.btn-icon {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  color: var(--text-dim);
  font-size: 20px;
  transition: color .15s;
}

.btn-icon:hover { color: var(--text); }

.item-form {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-group { display: flex; flex-direction: column; gap: 4px; }

.form-group label {
  font-size: 12px;
  color: var(--text-dim);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  font-size: 14px;
  font-family: var(--font);
  transition: border-color .15s;
}

.form-group input[type="number"] {
  font-variant-numeric: tabular-nums;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--text-dim);
}

.form-group textarea {
  resize: vertical;
  min-height: 56px;
}

.modal-foot {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 18px;
  border-top: 1px solid var(--border-soft);
}

.btn-primary {
  background: var(--text);
  color: var(--bg);
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 500;
  margin-left: auto;
  transition: background .15s;
}

.btn-primary:hover { background: #fff; }

.btn-danger {
  background: transparent;
  border: 1px solid var(--alert);
  color: var(--alert);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  transition: background .15s, color .15s;
}

.btn-danger:hover { background: var(--alert); color: #fff; }

/* ============================================
   トースト
   ============================================ */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  padding: 9px 18px;
  font-size: 13px;
  color: var(--text);
  z-index: 200;
  animation: toastIn .15s ease-out;
}

.toast.error { border-left: 3px solid var(--alert); }
.toast.success { border-left: 3px solid var(--text); }

@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, 8px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

/* ============================================
   レスポンシブ
   ============================================ */
@media (max-width: 640px) {
  .hero-value { font-size: 32px; }
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .card-value { font-size: 18px; }
  .item-row .item-value { font-size: 15px; }
  .tab { padding: 10px 12px; font-size: 13px; }
}