/* 簡易ドアベルシステム スタイル（スマートフォン優先） */

:root {
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-soft: #273449;
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --accent: #38bdf8;
  --accent-strong: #0284c7;
  --alert: #f97316;
  --danger: #ef4444;
  --ok: #22c55e;
  --border: #334155;
  --radius: 14px;
  --shadow: 0 10px 30px rgb(0 0 0 / 35%);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f1f5f9;
    --bg-card: #ffffff;
    --bg-soft: #e2e8f0;
    --text: #0f172a;
    --text-dim: #64748b;
    --accent: #0284c7;
    --accent-strong: #0369a1;
    --border: #cbd5e1;
    --shadow: 0 10px 30px rgb(15 23 42 / 12%);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

#app {
  max-width: 640px;
  margin: 0 auto;
  padding: max(16px, env(safe-area-inset-top)) 16px calc(24px + env(safe-area-inset-bottom));
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.screen[hidden] { display: none; }

.screen {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* ---------- ログイン ---------- */

.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 22px;
  margin: auto 0;
}

.title {
  margin: 0 0 22px;
  font-size: 1.6rem;
  text-align: center;
  letter-spacing: 0.06em;
}

.field {
  display: block;
  margin-bottom: 16px;
}

.field-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 6px;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 13px 14px;
  font-size: 1.05rem;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
}

input:focus-visible,
button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.hint {
  margin: 18px 0 0;
  font-size: 0.82rem;
  color: var(--text-dim);
  text-align: center;
}

/* ---------- ボタン ---------- */

.btn {
  display: block;
  width: 100%;
  padding: 15px 18px;
  font-size: 1.05rem;
  font-family: inherit;
  font-weight: 600;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: filter 0.15s ease, transform 0.05s ease;
}

.btn:hover:not(:disabled) { filter: brightness(1.12); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: 0.55; cursor: default; }
.btn[hidden] { display: none; }

.btn-primary {
  background: var(--accent-strong);
  border-color: transparent;
  color: #fff;
  margin-top: 8px;
}

.btn-quiet {
  width: auto;
  padding: 8px 14px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-dim);
  background: transparent;
}

.btn-response {
  margin-bottom: 12px;
  text-align: left;
  background: var(--bg-card);
  border-color: var(--accent);
  font-size: 1.1rem;
  padding: 18px;
}

/* ---------- ヘッダーバー ---------- */

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.bar-main {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.bar-name {
  font-size: 1.15rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.badge {
  flex: none;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
}

.badge-parent { background: var(--accent-strong); }
.badge-child { background: #7c3aed; }

/* ---------- ステージ（各状態の本体） ---------- */

.stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  text-align: center;
  padding: 24px 0;
  gap: 6px;
}

.stage[hidden] { display: none; }

/* 履歴などを下に置きつつ、主役の表示は残りの領域の中央に置く */
.stage-center {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
}

.stage-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
}

.stage-sub {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.95rem;
}

.stage-alert .stage-title { color: var(--alert); }

.caller {
  margin: 6px 0 2px;
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.25;
  word-break: break-word;
}

.repeat {
  margin: 0;
  color: var(--alert);
  font-weight: 700;
}

.countdown {
  margin: 10px 0 20px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.countdown span {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
}

.responses { margin-top: 4px; }

/* ---------- 親機：複数の呼び出しを同時に表示するカード ---------- */

#parent-idle { justify-content: flex-start; }

#parent-multi {
  justify-content: flex-start;
  gap: 4px;
}

#parent-multi .stage-title { color: var(--alert); }

.call-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
  text-align: left;
}

.call-card {
  background: var(--bg-card);
  border: 1px solid var(--alert);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 16px;
}

/* 残り時間がわずかな呼び出しを目立たせる */
.call-card.is-urgent {
  border-color: var(--danger);
  box-shadow: 0 0 0 2px rgb(239 68 68 / 30%);
}

.call-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.call-card-name {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 800;
  line-height: 1.3;
  word-break: break-word;
}

.call-card-count {
  margin: 2px 0 0;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--alert);
}

.call-card-remaining {
  flex: none;
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.call-card-remaining strong {
  font-size: 1.2rem;
  color: var(--text);
}

.call-card.is-urgent .call-card-remaining strong { color: var(--danger); }

.call-card-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.call-card-actions .btn {
  padding: 13px 4px;
  font-size: 0.95rem;
  border-color: var(--accent);
}

.answer-message {
  margin: 8px 0 20px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ok);
  word-break: break-word;
}

.answer-message.is-negative { color: var(--alert); }

/* 待ち受け中のベルアイコン */
.pulse {
  font-size: 3.4rem;
  animation: pulse 2.4s ease-in-out infinite;
}

.stage-alert .pulse { animation-duration: 0.8s; }

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.12); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .pulse { animation: none; }
}

/* ---------- 子機 ---------- */

#child-idle {
  justify-content: flex-start;
  gap: 20px;
}

.call-button {
  width: min(100%, 260px);
  aspect-ratio: 1;
  margin: 24px auto 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: radial-gradient(circle at 50% 35%, #ef4444, #b91c1c);
  color: #fff;
  border: none;
  border-radius: 50%;
  box-shadow: 0 12px 30px rgb(185 28 28 / 45%);
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.08s ease, box-shadow 0.15s ease;
}

.call-button:active:not(:disabled) {
  transform: scale(0.96);
  box-shadow: 0 6px 16px rgb(185 28 28 / 45%);
}

.call-button:disabled { opacity: 0.6; }

.call-icon { font-size: 3.6rem; }

.call-text {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.notice {
  margin: 12px 0 0;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
}

.notice-warn {
  background: rgb(249 115 22 / 15%);
  color: var(--alert);
  border: 1px solid rgb(249 115 22 / 40%);
}

.notice-ok {
  background: rgb(34 197 94 / 15%);
  color: var(--ok);
  border: 1px solid rgb(34 197 94 / 40%);
  text-align: center;
}

.notice[hidden] { display: none; }

/* ---------- 親機：子機の稼働状態 ---------- */

.devices {
  text-align: left;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-bottom: 18px;
}

.devices-title {
  margin: 0 0 10px;
  font-size: 0.85rem;
  color: var(--text-dim);
  font-weight: 600;
}

.devices-title[hidden] { display: none; }

.devices-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.device {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-size: 0.85rem;
}

.device-dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ok);
}

.device.is-offline .device-dot { background: var(--danger); }

.device-name {
  font-weight: 700;
  word-break: break-word;
}

.device-status { color: var(--text-dim); }

.device.is-offline {
  border-color: var(--danger);
  color: var(--danger);
}

.device.is-offline .device-status { color: inherit; }

/* ---------- 履歴 ---------- */

.history {
  text-align: left;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.history-title {
  margin: 0 0 10px;
  font-size: 0.85rem;
  color: var(--text-dim);
  font-weight: 600;
}

.history-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.history-item {
  background: var(--bg-card);
  border-left: 4px solid var(--ok);
  border-radius: 8px;
  padding: 10px 12px;
}

.history-no_answer { border-left-color: var(--alert); }

.history-time {
  display: block;
  font-size: 0.75rem;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.history-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.history-child {
  margin: 2px 0 0;
  font-size: 1rem;
  font-weight: 700;
  word-break: break-word;
}

.history-message {
  margin: 2px 0 0;
  font-size: 0.95rem;
  word-break: break-word;
}

.history-no_answer .history-message { color: var(--alert); }

.history-badge {
  flex: none;
  font-size: 0.72rem;
  color: var(--text-dim);
  background: var(--bg-soft);
  border-radius: 999px;
  padding: 2px 8px;
}

.history-empty {
  margin: 4px 0;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ---------- エラー表示 ---------- */

.error {
  margin: 12px 0 0;
  padding: 10px 14px;
  border-radius: 10px;
  background: rgb(239 68 68 / 15%);
  border: 1px solid rgb(239 68 68 / 40%);
  color: #fca5a5;
  font-size: 0.9rem;
  text-align: center;
}

@media (prefers-color-scheme: light) {
  .error { color: #b91c1c; }
}

.global-error {
  position: sticky;
  bottom: 8px;
  margin-top: 16px;
}

.error[hidden] { display: none; }

/* ---------- 接続断のオーバーレイ ---------- */

.overlay {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgb(15 23 42 / 78%);
  backdrop-filter: blur(2px);
}

.overlay[hidden] { display: none; }

.overlay-card {
  width: min(100%, 420px);
  background: var(--bg-card);
  border: 2px solid var(--danger);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px 22px;
  text-align: center;
}

.overlay-icon {
  margin: 0;
  font-size: 2.6rem;
}

.overlay-title {
  margin: 6px 0 12px;
  font-size: 1.25rem;
  color: var(--danger);
}

.overlay-text {
  margin: 0 0 8px;
  font-size: 0.92rem;
  color: var(--text-dim);
}

.overlay-card .btn { margin-top: 16px; }

/* ---------- ログアウト前のパスワード確認 ---------- */

.overlay-card-ask {
  border-color: var(--accent);
  text-align: left;
}

.overlay-card-ask .overlay-title { color: var(--text); }

.overlay-card-ask .field {
  margin: 16px 0 0;
}

.overlay-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* ---------- 管理画面 ---------- */

.admin { max-width: 720px; }

.admin table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-top: 10px;
}

.admin th,
.admin td {
  padding: 8px 6px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}

.admin th {
  color: var(--text-dim);
  font-weight: 600;
}

.credentials {
  margin: 8px 0 20px;
  background: var(--bg-soft);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.credentials dl {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 16px;
  align-items: baseline;
}

.credentials dt {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.credentials dd {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  user-select: all;
}

.warn-text {
  margin: 14px 0 0;
  font-size: 0.82rem;
  color: var(--alert);
}

/* 1行に複数のボタン／フォームを並べる（表の操作列） */
.row-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.row-actions form { display: inline; }

/* 子機URL（長いので折り返して全体を見せる） */
.link-url {
  margin: 8px 0;
  padding: 8px 10px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.8rem;
  white-space: normal;
  word-break: break-all;
  user-select: all;
}

/* ---------- 管理画面のID詳細 ---------- */

.admin a { color: var(--accent); }

/* IDの概要（発行日時・稼働状況など） */
.summary {
  margin: 0 0 10px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 16px;
  align-items: baseline;
  font-size: 0.9rem;
}

.summary dt {
  color: var(--text-dim);
  font-size: 0.82rem;
}

.summary dd { margin: 0; }

/* 詳細画面に置く発行フォーム（一覧の間に挟まるので枠で区切る） */
.inline-form {
  margin: 10px 0 16px;
  padding: 14px 16px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.inline-form .field:last-of-type { margin-bottom: 0; }

.meta {
  margin: 0 0 6px;
  font-size: 0.82rem;
  color: var(--text-dim);
}

.section-title {
  margin: 26px 0 0;
  font-size: 1rem;
}