/* ==========================================================================
   低地排水監測設備圖控系統 (SCADA Theme)
   昀禾環境科技 (LETC) 專業工業識別風格
   ========================================================================== */

:root {
  --font-sans: 'Inter', 'Noto Sans TC', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --color-brand-primary: #0284c7; /* 昀禾藍 */
  --color-brand-dark: #0369a1;
  --color-brand-accent: #0284c7;
  --color-alarm-red: #d32f2f;
  --color-card-bg: #ffffff;
  --color-border: #e2e8f0;
}

body {
  font-family: var(--font-sans);
  background-color: #f8fafc;
  color: #1e293b;
  overflow-x: hidden;
}

.font-mono-numbers {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* 工業級卡片風格 */
.scada-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.scada-card:hover {
  border-color: #cbd5e1;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
}

/* 狀態指示燈 */
.led-indicator {
  display: inline-block;
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 9999px;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.led-green {
  background-color: #10b981;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.7);
}

.led-red {
  background-color: #ef4444;
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.8);
  animation: pulse-red 1.2s infinite;
}

.led-amber {
  background-color: #f59e0b;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.7);
}

.led-gray {
  background-color: #94a3b8;
  box-shadow: none;
}

.led-blue {
  background-color: #0284c7;
  box-shadow: 0 0 8px rgba(2, 132, 199, 0.7);
}

@keyframes pulse-red {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.9); }
}

@keyframes pulse-rx-glow {
  0% { transform: scale(0.95); opacity: 0.3; }
  50% { transform: scale(1.3); opacity: 1; filter: drop-shadow(0 0 4px #38bdf8); }
  100% { transform: scale(0.95); opacity: 0.3; }
}

.pulse-rx {
  animation: pulse-rx-glow 0.8s ease-in-out infinite;
}

/* 抽水機馬達運轉動畫 */
@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spin-pump {
  animation: spin-slow 1.5s linear infinite;
}

/* 照片忠實呈現：紅色 Unknown 狀態 */
.text-unknown {
  color: #ef4444 !important;
  font-weight: 600;
}

/* 設備未回應前之反白灰階濾鏡 */
.device-pending-dim {
  filter: grayscale(40%);
  opacity: 0.75;
  transition: filter 0.3s ease, opacity 0.3s ease;
}

.device-input-pending {
  background-color: #f8fafc !important;
  border-color: #e2e8f0 !important;
  color: #94a3b8 !important;
}

/* 箱門開關警報動畫 */
@keyframes door-alert {
  0%, 100% { background-color: #fef2f2; border-color: #f87171; }
  50% { background-color: #fee2e2; border-color: #ef4444; }
}

.door-alarm-active {
  animation: door-alert 1s infinite;
}

/* 水槽 Canvas 容器樣式 */
.tank-container {
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  border: 1px solid #cbd5e1;
  box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.04);
}

/* 自我測試倒數進度環 */
.self-test-overlay {
  backdrop-filter: blur(4px);
  background-color: rgba(15, 23, 42, 0.6);
}

/* 抽水機通道卡片 */
.pump-card {
  border-left: 4px solid #94a3b8;
  transition: all 0.25s ease;
}

.pump-card.pump-running {
  border-left-color: #10b981;
  background-color: #f0fdf4;
}

.pump-card.pump-stopped {
  border-left-color: #94a3b8;
  background-color: #ffffff;
}

.pump-card.pump-overload {
  border-left-color: #ef4444;
  background-color: #fef2f2;
}

.pump-card.pump-unknown {
  border-left-color: #f59e0b;
}

/* 監測通道未回應反白鎖定樣式 (依指示：未回應時全部反白不得控制) */
.pump-card-locked {
  background-color: #f8fafc !important;
  border-color: #cbd5e1 !important;
  border-left-color: #94a3b8 !important;
  opacity: 0.55 !important;
  filter: grayscale(80%) !important;
  pointer-events: none !important;
  user-select: none !important;
}

.pump-card-locked input,
.pump-card-locked button {
  pointer-events: none !important;
  cursor: not-allowed !important;
  background-color: #f1f5f9 !important;
  color: #94a3b8 !important;
  border-color: #cbd5e1 !important;
}

/* 設定頁面未回應反白鎖定樣式 (依指示：設定頁面也需反白直至設備回應) */
.drawer-locked {
  opacity: 0.55 !important;
  filter: grayscale(80%) !important;
  pointer-events: none !important;
  user-select: none !important;
}

.drawer-locked input,
.drawer-locked select,
.drawer-locked button {
  pointer-events: none !important;
  cursor: not-allowed !important;
  background-color: #f1f5f9 !important;
  color: #94a3b8 !important;
  border-color: #cbd5e1 !important;
}

/* 捲軸美化 */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}