/* SMC 管理平台 — 沿用 client 深色科技風配色，大字體便於年長使用者 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[v-cloak] { display: none; }

:root {
  --bg-main:    #0e1015;
  --bg-card:    #181b23;
  --bg-card2:   #1f232d;
  --bg-hover:   #262b36;
  --border:       #262b36;
  --border-light: #2a2f3b;
  --primary:     #7367f0;
  --primary-dim: rgba(115,103,240,.14);
  --success:     #28c76f;
  --success-dim: rgba(40,199,111,.14);
  --warning:     #ff9f43;
  --danger:      #ea5455;
  --danger-dim:  rgba(234,84,85,.14);
  --text:           #e8eaf0;
  --text-secondary: #9aa0ad;
  --text-muted:     #868d9b;
  --radius:    14px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(0,0,0,.5);
}

html { font-size: 16px; }
body {
  font-family: 'Noto Sans TC', 'Microsoft JhengHei', 'PingFang TC', sans-serif;
  background: var(--bg-main);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #2a2f3b; border-radius: 6px; }

/* ── 按鈕 ── */
.btn {
  border: 1px solid var(--border-light);
  background: var(--bg-card2);
  color: var(--text);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.btn:hover:not(:disabled) { background: var(--bg-hover); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: #8579f2; }
.btn-danger { background: var(--danger-dim); border-color: var(--danger); color: var(--danger); }
.btn-ok { background: var(--success-dim); border-color: var(--success); color: var(--success); }
.btn-ghost { background: transparent; }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 14px; font-size: .95rem; }

/* ── 登入 ── */
.login-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px 36px;
  width: 100%; max-width: 400px;
  text-align: center;
}
.login-logo { font-size: 3rem; margin-bottom: 8px; }
.login-card h1 { font-size: 1.5rem; margin-bottom: 4px; }
.login-sub { color: var(--text-secondary); margin-bottom: 24px; }
.login-card input {
  width: 100%;
  background: var(--bg-card2);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 1.1rem;
  padding: 12px 16px;
  margin-bottom: 14px;
}
.login-card input:focus { outline: none; border-color: var(--primary); }
.login-error { color: var(--danger); margin-top: 12px; }

/* ── 頂欄 ── */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  padding: 14px 24px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.topbar-title { display: flex; align-items: center; gap: 10px; }
.topbar-logo { font-size: 1.6rem; }
.topbar h1 { font-size: 1.25rem; }
.topbar-stats { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.stat-chip {
  background: var(--bg-card2);
  border: 1px solid var(--border-light);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: .95rem;
  color: var(--text-secondary);
}
.stat-chip.ok { color: var(--success); border-color: rgba(40,199,111,.4); }
.stat-chip.bad { color: var(--danger); border-color: rgba(234,84,85,.4); }

/* ── 內容 ── */
.content { padding: 24px; max-width: 1400px; margin: 0 auto; }

.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}
.device-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition: border-color .15s, transform .15s;
}
.device-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.device-card.offline { opacity: .65; }
.device-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; }
.device-name { font-size: 1.2rem; font-weight: 700; }
.device-pn { color: var(--text-muted); font-family: monospace; margin-bottom: 12px; }
.device-meta {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 6px 12px;
  font-size: 1rem;
  margin-bottom: 12px;
}
.meta-label { color: var(--text-secondary); margin-right: 6px; font-size: .9rem; }
.device-lastseen { color: var(--text-secondary); font-size: .95rem; }
.warn-text { color: var(--warning); }

.badge {
  border-radius: 999px;
  padding: 4px 12px;
  font-size: .9rem;
  font-weight: 700;
}
.badge-ok { background: var(--success-dim); color: var(--success); }
.badge-bad { background: var(--danger-dim); color: var(--danger); }

.empty-hint { color: var(--text-muted); text-align: center; padding: 60px 0; grid-column: 1/-1; }

/* ── 詳細頁 ── */
.detail-head { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-bottom: 20px; }
.detail-head h2 { font-size: 1.4rem; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.device-pn-inline { color: var(--text-muted); font-family: monospace; font-size: 1rem; font-weight: 400; }
.detail-actions { margin-left: auto; display: flex; gap: 10px; flex-wrap: wrap; }

.info-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 26px;
}
.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.info-label { color: var(--text-secondary); font-size: .95rem; margin-bottom: 4px; }
.info-value { font-size: 1.3rem; font-weight: 700; }

.section-title { font-size: 1.15rem; margin-bottom: 12px; }

.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
.sensor-table { width: 100%; border-collapse: collapse; background: var(--bg-card); min-width: 720px; }
.sensor-table th, .sensor-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
.sensor-table th { background: var(--bg-card2); color: var(--text-secondary); font-size: .95rem; white-space: nowrap; }
.sensor-table tr:last-child td { border-bottom: none; }
.sensor-name { font-size: 1.05rem; font-weight: 600; }
.sensor-pn { color: var(--text-muted); font-family: monospace; font-size: .85rem; }
.value-cell { white-space: nowrap; }
.value-num { font-size: 1.35rem; font-weight: 700; color: var(--primary); font-family: monospace; }
.value-unit { color: var(--text-secondary); margin-left: 4px; }
.muted { color: var(--text-muted); }

/* ── Toast ── */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--bg-card2);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 12px 24px;
  box-shadow: var(--shadow);
  font-size: 1.05rem;
  z-index: 100;
}
.toast.ok { border-color: var(--success); color: var(--success); }
.toast.err { border-color: var(--danger); color: var(--danger); }

/* ── RWD ── */
@media (max-width: 640px) {
  .content { padding: 14px; }
  .device-grid { grid-template-columns: 1fr; }
  .topbar { padding: 12px 14px; }
  .detail-actions { margin-left: 0; width: 100%; }
  .detail-actions .btn { flex: 1; }
}

/* 身分待確認（隔離中的連線） */
.quarantine { margin-bottom: 24px; padding: 16px; border: 1px solid var(--danger, #e5534b); border-radius: 10px; }
.quarantine .section-title { margin-top: 0; }
.quarantine .badge { margin-left: 6px; }
.quarantine td .btn + .btn { margin-left: 6px; }
.mono { font-family: ui-monospace, Consolas, monospace; }