/**
 * style.css
 * 極簡單車記錄器 - 全域變數、基礎排版、OLED 純黑省電風格
 */

:root {
  --bg-color: #000000;
  --surface-color: #0d0d0d;
  --surface-border: #1f1f1f;
  --text-main: #ffffff;
  --text-sub: #7a7a7a;
  --text-dim: #444444;

  --accent-bike: #00e676; /* 活力螢光綠 */
  --accent-active: #00e5ff; /* 導航青色 */
  --accent-pause: #ffab00; /* 暫停琥珀黃 */
  --accent-stop: #ff3d71; /* 停止珊瑚紅 */

  --font-mono: ui-monospace, SFMono-Regular, "SF Pro", "Roboto Mono", Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  overflow: hidden;
  font-feature-settings: "tnum" 1;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}

#app-container {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  background-color: var(--bg-color);
}

/* 頂部狀態列 */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  border-bottom: 1px solid var(--surface-border);
  background-color: var(--bg-color);
  font-size: 13px;
  min-height: 48px;
  z-index: 10;
}

.status-left, .status-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 頂部導航分頁 (碼表 vs 紀錄列表) */
.nav-tabs {
  display: flex;
  gap: 6px;
  background-color: #121212;
  padding: 3px;
  border-radius: 20px;
  border: 1px solid #242424;
}

.nav-tab {
  background: transparent;
  border: none;
  color: var(--text-sub);
  padding: 6px 14px;
  border-radius: 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background-color 0.15s, color 0.15s;
}

.nav-tab.active {
  background-color: #262626;
  color: #ffffff;
}

.nav-tab .badge {
  background-color: #383838;
  color: #aaaaaa;
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 10px;
  font-family: var(--font-mono);
}

.nav-tab.active .badge {
  background-color: var(--accent-bike);
  color: #000000;
  font-weight: 700;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-sub);
  font-family: var(--font-mono);
  font-size: 12px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #555555;
}

.status-dot.active {
  background-color: var(--accent-bike);
}

.status-dot.warning {
  background-color: var(--accent-pause);
}

.status-dot.error {
  background-color: var(--accent-stop);
}

/* Wake Lock 獨立手動按鈕 (Safari 手勢相容) */
.wakelock-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #141414;
  border: 1px solid #2a2a2a;
  color: var(--text-sub);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s, background-color 0.15s, color 0.15s;
}

.wakelock-btn.active {
  background: #002b13;
  border-color: var(--accent-bike);
  color: var(--accent-bike);
}

.wakelock-btn:active {
  opacity: 0.7;
}

/* 歷史記錄按鈕 */
.history-btn {
  background: none;
  border: 1px solid #2a2a2a;
  color: var(--text-sub);
  padding: 6px 10px;
  border-radius: 16px;
  font-size: 12px;
  cursor: pointer;
}

.history-btn:active {
  border-color: var(--text-main);
  color: var(--text-main);
}