/* 测流助手 Cloudflare 版 —— 全局样式 */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --bg: #eef1f6;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-2: #475569;
  --text-3: #94a3b8;
  --danger: #dc2626;
  --success: #16a34a;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

#app {
  max-width: 780px;
  margin: 64px auto 40px;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 10px 32px rgba(15, 23, 42, 0.08);
  padding: 28px 24px 32px;
}

#app h2 {
  color: var(--text);
  font-size: 21px;
  margin: 4px 0 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

#app h2::before {
  content: "";
  width: 5px;
  height: 20px;
  border-radius: 3px;
  background: var(--primary);
  flex: none;
}

h3 {
  color: var(--text-2);
  font-size: 16px;
  margin: 0 0 8px;
}

label {
  font-size: 15px;
  color: var(--text-2);
  display: block;
  margin: 12px 0 6px;
}

input,
select {
  padding: 11px 13px;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  font-size: 16px;
  box-sizing: border-box;
  background: #f8fafc;
  margin: 6px 0;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

input[type="radio"] {
  padding: 0;
  width: auto;
  margin: 0 5px 0 0;
  accent-color: var(--primary);
}

input[type="file"] {
  border: 1px dashed #cbd5e1;
  background: #f8fafc;
  padding: 10px;
  width: 100%;
}

select {
  width: 100%;
}

#admin-station-input {
  width: 100%;
}

button {
  padding: 12px 18px;
  margin: 8px 8px 8px 0;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  min-height: 44px;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  transition: background-color 0.15s, box-shadow 0.15s;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.18);
}

button:hover {
  background: var(--primary-dark);
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}

button:active {
  transform: translateY(1px);
}

#admin-upload-message {
  color: var(--danger);
  margin: 8px 0 0;
  font-size: 14px;
  min-height: 18px;
}

#user-form-confirm {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #15803d;
  padding: 12px 14px;
  margin: 12px 0;
  border-radius: 10px;
  font-size: 14px;
  line-height: 1.7;
}

/* 表格 */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 14px 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

th,
td {
  border-bottom: 1px solid #eef2f7;
  border-right: 1px solid #eef2f7;
  padding: 10px 8px;
  text-align: center;
  font-size: 14px;
}

th {
  background: #f1f5f9;
  color: var(--text-2);
  font-weight: 600;
  font-size: 13px;
}

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

th:last-child,
td:last-child {
  border-right: none;
}

tbody tr:nth-child(even) {
  background: #f8fafc;
}

tbody tr:hover {
  background: #eff6ff;
}

.table-scroll {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
}

.table-scroll table {
  border: none;
  border-radius: 0;
  margin: 0;
  min-width: 640px;
}

#data-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: #f1f5f9;
}

#table-info {
  width: 100%;
  box-sizing: border-box;
  margin-bottom: 10px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
  text-align: center;
  color: var(--text-2);
  line-height: 1.6;
  overflow-wrap: anywhere;
}

#table-params {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
  justify-content: center;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 10px;
}

#table-params label {
  margin: 0;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

#table-params input {
  width: 64px;
  padding: 6px 8px;
  font-size: 14px;
  margin: 0;
}

#table-params span {
  color: var(--text-3);
  font-size: 13px;
}

/* 小按钮 */
.mini-btn {
  font-size: 13px;
  padding: 4px 10px;
  min-width: 34px;
  min-height: 30px;
  margin: 2px;
  border-radius: 7px;
  background: var(--primary);
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: none;
}

.mini-btn:hover {
  background: var(--primary-dark);
}

/* 管理员预览与已上传清单 */
#admin-preview-section {
  font-size: 14px;
  line-height: 1.6;
}

#admin-preview-section .file-station-input {
  flex: 1;
  min-width: 180px;
}

#uploaded-files-list {
  overflow-x: auto;
  margin-top: 6px;
}

#uploaded-files-list table {
  min-width: 520px;
  font-size: 13px;
}

#uploaded-files-list th,
#uploaded-files-list td {
  padding: 8px 6px;
}

/* 流量计算弹窗 / 帮助弹窗（覆盖 JS 内联样式） */
#flow-modal,
#help-modal {
  background: rgba(15, 23, 42, 0.55) !important;
}

#flow-modal > div,
#help-modal > div {
  border-radius: 16px !important;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.3) !important;
  padding: 22px 14px !important;
}

#flow-modal h3,
#help-modal h3 {
  color: var(--text);
}

#help-modal ol {
  line-height: 1.8;
  color: var(--text-2);
  padding-left: 20px;
}

#flow-modal table {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  width: auto;
  min-width: unset;
  table-layout: auto;
}

#flow-modal th,
#flow-modal td {
  max-width: 120px;
  min-width: 44px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 7px 6px;
  font-size: 14px;
}

#close-flow-modal,
#close-help-modal {
  width: 100%;
  font-size: 17px;
  padding: 12px 0;
  margin-top: 16px;
  border-radius: 10px;
}

/* 移动端适配 */
@media (max-width: 600px) {
  #app {
    margin: 104px 0 0;
    padding: 18px 14px 28px;
    border-radius: 0;
    box-shadow: none;
    min-height: calc(100vh - 104px);
  }

  #app h2 {
    font-size: 19px;
  }

  input,
  select {
    font-size: 16px;
    padding: 10px 11px;
  }

  button {
    font-size: 14px;
    padding: 11px 14px;
  }

  th,
  td {
    font-size: 13px;
    padding: 8px 5px;
  }

  #table-info {
    font-size: 13px;
  }

  #table-params {
    flex-direction: column;
    align-items: stretch;
    text-align: left;
  }

  #table-params label {
    justify-content: space-between;
  }

  #table-params input {
    width: 90px;
  }

  #flow-modal > div,
  #help-modal > div {
    max-width: 98vw;
    padding: 14px 6px !important;
  }

  #flow-modal table {
    font-size: 12px;
  }

  #flow-modal th,
  #flow-modal td {
    max-width: 76px;
    min-width: 34px;
    padding: 5px 2px;
  }

  #close-flow-modal,
  #close-help-modal {
    font-size: 16px;
  }
}