/* =========================================
   InfoStyles.css — Redesigned 
   Primary: Cal Navy #002663 | Refined Aviation UI
   ========================================= */

/* === 1. 設計變數 === */
:root {
  --cal-navy: #002663;
  --cal-blue-hover: #003380;
  --cal-light-bg: #f5f7fa;
  --bg-gradient-top: #f0f4f8;
  --bg-gradient-bot: #dfe7ef;
  --card-bg: #ffffff;
  --text-primary: #1d1d1f;
  --text-secondary: #86868b;
  --border: #e4e8ef;
  --card-shadow: 0 12px 40px rgba(0, 38, 99, 0.08);
  --btn-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
  --error-color: #d32f2f;

  /* Semantic Colours */
  --status-red: #d32f2f;
  --status-orange: #e67e22;
  --status-green: #10b981;

  --primary: var(--cal-navy);
  --primary-hover: var(--cal-blue-hover);
  --primary-light: #eef2fb;

  --focus-border: #00bcd4;
  --focus-bg: #e0f7fa;

  --radius: 14px;
  --shadow: var(--btn-shadow);
  --shadow-float: 0 8px 30px rgba(0, 38, 99, 0.15);
  --font-latin: Roboto, "Noto Sans TC", monospace;
  --font-base: Roboto, Arial, "Noto Sans TC", sans-serif;
}

/* === 2. 基礎設定 === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-base);
  background: linear-gradient(180deg, var(--bg-gradient-top) 0%, var(--bg-gradient-bot) 100%);
  min-height: 100vh;
  color: var(--text-primary);
  padding: 20px;
  line-height: 1.5;
}

button, input, select, textarea { font-family: var(--font-base); }

a { text-decoration: none; color: inherit; }

.container { max-width: 1200px; margin: 0 auto; }

/* === 3. Header === */
.header {
  display: flex;
  align-items: center;
  margin-bottom: 22px;
  cursor: pointer;
}

.logo {
  background: var(--cal-navy);
  color: #fff;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.3px;
  box-shadow: 0 4px 14px rgba(0, 38, 99, 0.25);
  display: flex;
  align-items: center;
  gap: 12px;
}

.mark {
  background: rgba(255, 255, 255, 0.2);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.88em;
  letter-spacing: 1px;
}

/* === 4. 卡片容器 === */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  padding: 22px 26px;
  margin-bottom: 18px;
  border-top: 5px solid var(--cal-navy);
}

/* 日期浮動標籤 — 固定右下角 */
.date-badge {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 500;
  background: var(--cal-navy);
  color: #fff;
  padding: 8px 14px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 16px rgba(0, 38, 99, 0.3);
  pointer-events: none;
  letter-spacing: 0.3px;
}

.date-badge .badge-date {
  font-family: var(--font-latin);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

@media (max-width: 480px) {
  .date-badge {
    bottom: 16px;
    right: 16px;
    font-size: 11px;
    padding: 7px 12px;
  }
}

/* === 5. 搜尋與篩選 === */
.controls {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.control-group {
  flex: 1;
  min-width: 300px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.control-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 2px;
}

.input-row {
  display: flex;
  gap: 10px;
  position: relative;
}

/* 一般輸入框 */
input[type="text"] {
  padding: 10px 13px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  outline: none;
  background: #fff;
  flex: 1;
  width: 100%;
  transition: all 0.2s;
  color: var(--text-primary);
  text-transform: uppercase;
}

input[type="text"]::placeholder { text-transform: none; font-weight: 400; color: #b0b7c3; }

input[type="text"]:focus {
  border-color: var(--cal-navy);
  box-shadow: 0 0 0 3px rgba(0, 38, 99, 0.1);
}

/* --- 自訂下拉選單架構 --- */
.custom-select-wrapper { position: relative; flex: 1; min-width: 160px; }
.native-select-hidden { display: none; }

/* 觸發按鈕 */
.select-trigger {
  padding: 10px 13px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s;
  user-select: none;
  color: var(--text-primary);
}

.select-trigger:hover { border-color: #b0b7c3; }

.select-trigger.active {
  border-color: var(--cal-navy);
  box-shadow: 0 0 0 3px rgba(0, 38, 99, 0.1);
}

.arrow {
  width: 9px; height: 9px;
  border-right: 2px solid var(--text-secondary);
  border-bottom: 2px solid var(--text-secondary);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.2s;
  flex-shrink: 0;
}

.select-trigger.active .arrow { transform: rotate(-135deg) translateY(-2px); }

/* 選單容器 */
.custom-options {
  position: absolute;
  top: calc(100% + 6px);
  left: 0; right: 0;
  background: white;
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-float);
  z-index: 200;
  display: none;
  max-height: 360px;
  overflow-y: auto;
  flex-direction: column;
}

.custom-options.open {
  display: flex;
  animation: slideDown 0.18s ease-out;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* --- 篩選 Tabs (登機門分區) --- */
.filter-tabs {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  min-height: 52px;
  padding: 8px 8px 4px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  gap: 6px;
  scrollbar-width: thin;
  scrollbar-color: #d1d5db transparent;
}

.filter-tabs::-webkit-scrollbar { height: 4px; display: block; }
.filter-tabs::-webkit-scrollbar-track { background: transparent; }
.filter-tabs::-webkit-scrollbar-thumb { background-color: #d1d5db; border-radius: 4px; }
.filter-tabs::-webkit-scrollbar-thumb:hover { background-color: #9ca3af; }

.filter-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  padding: 6px 13px;
  background: var(--cal-light-bg);
  border: 1px solid transparent;
  border-radius: 20px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.filter-tab:hover { background: #e4eaf5; color: var(--cal-navy); }

.filter-tab.active {
  background: var(--cal-navy);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 38, 99, 0.25);
}

/* 內容區域 */
.options-content { padding: 8px; }

/* 分區標題 */
.group-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin: 12px 0 6px 4px;
  padding-left: 8px;
  border-left: 3px solid var(--cal-navy);
}

.group-label:first-child { margin-top: 4px; }

/* 一般日期選項 */
.date-option {
  padding: 11px 14px;
  cursor: pointer;
  border-bottom: 1px solid #f3f4f6;
  transition: background 0.15s;
  font-size: 14px;
  font-weight: 500;
}

.date-option:last-child { border-bottom: none; }
.date-option:hover { background-color: var(--cal-light-bg); }
.date-option.selected { background-color: var(--primary-light); color: var(--cal-navy); font-weight: 700; }

/* --- 網格登機門 --- */
.gate-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.gate-btn {
  border: 1px solid #e4e8ef;
  border-radius: 8px;
  text-align: center;
  padding: 10px 4px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  background: white;
  color: var(--text-primary);
}

.gate-btn:hover {
  border-color: var(--cal-navy);
  color: var(--cal-navy);
  box-shadow: 0 2px 6px rgba(0, 38, 99, 0.1);
}

.gate-btn.selected {
  background: var(--cal-navy);
  color: #fff;
  border-color: var(--cal-navy);
  box-shadow: 0 2px 8px rgba(0, 38, 99, 0.25);
}

.gate-btn.disabled {
  background: var(--cal-light-bg);
  border-color: transparent;
  color: #c8cdd5;
  cursor: not-allowed;
  box-shadow: none;
}

.gate-btn.disabled:hover {
  border-color: transparent;
  color: #c8cdd5;
  box-shadow: none;
}

/* 按鈕 */
button {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border: none;
  border-radius: 10px;
  background: var(--cal-navy);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0, 38, 99, 0.2);
  letter-spacing: 0.2px;
}

button:hover {
  background: var(--cal-blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 15px rgba(0, 38, 99, 0.28);
}

button.secondary {
  background: #fff;
  color: var(--cal-navy);
  border: 1px solid #d1d5db;
  box-shadow: var(--btn-shadow);
}

button.secondary:hover {
  background: var(--cal-light-bg);
  transform: translateY(-1px);
}

/* === 6. Tabs 分頁 === */
.typeTabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 18px;
}

.tabBtn {
  background: var(--card-bg);
  color: var(--text-secondary);
  border: 1px solid #d1d5db;
  padding: 10px 28px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  min-width: 160px;
  text-align: center;
  box-shadow: var(--btn-shadow);
  transition: all 0.2s;
}

.tabBtn.active {
  background: var(--cal-navy);
  color: #fff;
  border-color: var(--cal-navy);
  box-shadow: 0 4px 12px rgba(0, 38, 99, 0.22);
}

/* === 7. 表格 === */
.tableWrap {
  overflow-x: auto;
  border-radius: 10px;
  border: 1px solid var(--border);
}

table {
  width: 100%;
  min-width: 1000px;
  border-collapse: collapse;
  table-layout: fixed;
}

thead th {
  background: var(--cal-light-bg);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

tbody td {
  padding: 13px 16px;
  border-bottom: 1px solid #f0f3f8;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  vertical-align: middle;
  font-size: 14px;
}

tbody tr:last-child td { border-bottom: none; }

tbody tr:hover { background: var(--primary-light); cursor: pointer; }

/* 欄寬 */
th:nth-child(1) { width: 10%; }
th:nth-child(2) { width: 13%; }
th:nth-child(3) { width: 13%; }
th:nth-child(4) { width: 10%; }
th:nth-child(5) { width: 10%; text-align: center; }
th:nth-child(6) { width: 10%; text-align: center; }
th:nth-child(7) { width: 14%; }
th:nth-child(8) { width: 10%; text-align: center; }
th:nth-child(9) { width: 10%; text-align: center; }

.text-center { text-align: center; }
.text-city { white-space: normal !important; word-break: break-word; line-height: 1.4; }

/* 航班號 */
.flight-num { font-family: var(--font-latin); font-weight: 700; color: var(--cal-navy); font-size: 13px; }

/* 狀態 */
.status-col { font-weight: 700; font-size: 13px; white-space: normal !important; word-break: break-word; line-height: 1.4; }
.status-cancelled { color: var(--status-red); }
.status-change    { color: var(--status-orange); }
.status-success   { color: var(--status-green); }

/* 時間 — monospace */
.time-cell { font-family: var(--font-latin); font-size: 13px; font-weight: 600; letter-spacing: 0.5px; }

/* === 8. Modal === */
#modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 38, 99, 0.35);
  z-index: 9999;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(3px);
  padding: 20px;
}

#modalContent {
  background: #fff;
  width: 100%;
  max-width: 500px;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 38, 99, 0.2);
  display: flex;
  flex-direction: column;
  max-height: 90vh;
  overflow: hidden;
}

.modalHead {
  background: var(--cal-navy);
  color: #fff;
  padding: 16px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: calc(var(--radius) - 1px) calc(var(--radius) - 1px) 0 0;
}

.modalHead h3 { font-size: 15px; font-weight: 700; letter-spacing: 0.3px; }

.modalBody { padding: 20px; overflow-y: auto; }

.close {
  cursor: pointer;
  font-size: 22px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1;
  transition: opacity 0.2s;
}

.close:hover { opacity: 0.6; }

.info-block {
  background: var(--cal-light-bg);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 12px;
  border-left: 4px solid var(--cal-navy);
}

.info-block:last-child { margin-bottom: 0; }

.info-block h4 {
  margin: 0 0 8px;
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.flight-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.big-text {
  font-family: var(--font-latin);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cal-navy);
}

.small-text { 
   font-family: var(--font-latin);
   font-size: 13px; 
   color: var(--text-secondary);
}

/* 焦點航班高亮 */
.info-block[style*="var(--focus-bg)"] {
  border-left-color: var(--focus-border);
  background: var(--focus-bg);
}

/* === 9. Loading === */
#loadingOverlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(240, 244, 248, 0.85);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  backdrop-filter: blur(5px);
}

.spinner {
  width: 46px;
  height: 46px;
  border: 4px solid var(--border);
  border-top-color: var(--cal-navy);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  margin-bottom: 14px;
}

.loading-text {
  font-weight: 700;
  color: var(--cal-navy);
  font-size: 14px;
  letter-spacing: 0.5px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* === 10. 頁腳 === */
.note {
  text-align: center;
  color: var(--text-secondary);
  font-size: 12px;
  margin-top: 20px;
  line-height: 1.6;
}

/* === 11. RWD === */
@media (max-width: 768px) {
  body { padding: 10px; }
  .card { padding: 16px; border-top-width: 4px; }
  .controls { flex-direction: column; gap: 14px; }
  .control-group { min-width: auto; width: 100%; }
  .input-row { flex-direction: column; width: 100%; gap: 10px; }
  .btn-row { flex-direction: row !important; }
  button { width: 100%; padding: 12px; }
  .custom-select-wrapper { width: 100%; }
  .gate-grid { grid-template-columns: repeat(3, 1fr); }
  thead th, tbody td { padding: 10px 12px; font-size: 13px; }
  .tabBtn { min-width: 120px; padding: 10px 16px; font-size: 13px; }
}

@media (max-width: 480px) {
  .typeTabs { gap: 8px; }
  .tabBtn { min-width: 100px; padding: 9px 12px; font-size: 12px; }
  .gate-grid { grid-template-columns: repeat(3, 1fr); gap: 5px; }

  /* Modal 手機版：從底部滑出，撐滿螢幕寬度 */
  #modal {
    align-items: flex-end;
    padding: 0;
  }
  #modalContent {
    max-width: 100%;
    width: 100%;
    border-radius: 16px 16px 0 0;
    max-height: 85vh;
  }
  .modalHead {
    border-radius: 16px 16px 0 0;
  }

  .time-cell {
     font-size: 11px;
  }
}