/* fdm-auto-go web UI — quiet utility, warm-neutral palette.
 * embed 进 binary（//go:embed），部署时不用单独拷贝。
 * 改色 / 间距 → 重新 build。
 */

:root {
  --bg:        #FAF8F3;
  --surface:   #FFFFFF;
  --text:      #1A1A1A;
  --text-mute: #7A7568;
  --border:    #E5E0D3;
  --border-strong: #C9C2AF;
  --accent:    #1F3B2F;
  --accent-bg: rgba(31, 59, 47, 0.08);
  --error:     #A33D3D;
  --error-bg:  #FBECEA;
  --info-bg:   #EFEBE0;
}

* { 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", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  padding: 56px 24px 80px;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 720px;
  margin: 0 auto;
}

.container-narrow {
  max-width: 400px;
  margin: 0 auto;
}

/* ---------- mobile (≤640px) ---------- */

@media (max-width: 640px) {
  body { padding: 24px 16px 60px; }
  .container, .container-narrow { max-width: 100%; }
  .container-narrow { padding: 0; }

  /* tabs 占满一行,padding 收紧 */
  .tab { padding: 10px 14px; font-size: 13px; }

  /* admin nav 允许换行,链接之间间距收紧 */
  .admin-nav {
    flex-wrap: wrap;
    gap: 8px 14px;
    margin-bottom: 20px;
    padding-bottom: 10px;
  }
  .admin-nav a.active {
    margin-bottom: -11px;
    padding-bottom: 10px;
  }

  /* form 输入不强制 min-width,跟容器同宽 */
  input[type="text"],
  input[type="password"],
  input:not([type]) {
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }
  input.captcha { width: 100%; font-size: 28px; }

  /* 表格超长行允许横滚;td 不强制最小宽度 */
  table { display: block; overflow-x: auto; white-space: nowrap; }
  /* panel 容器内给个最小宽度防止 cell 被压太扁 */
  .panel { min-width: 480px; }

  /* toast 贴边,小屏不被边距推走 */
  .toast {
    top: 12px;
    right: 12px;
    left: 12px;
    max-width: none;
    font-size: 13px;
  }

  /* card 内部 padding 收紧,key-value 单列 */
  .card { padding: 16px; }
  .kv { grid-template-columns: 1fr; gap: 4px 0; }
  .kv dt { font-size: 11px; }
  .kv dd { margin-bottom: 8px; }

  /* header 上下排,不挤在一行 */
  header.app-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  /* empty / placeholder 占满 */
  .empty { padding: 32px 16px; }
}

/* ---------- header ---------- */

header.app-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 32px;
}

header.app-header h1 {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}

.user-tag {
  font-size: 13px;
  color: var(--text-mute);
}

.user-tag code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 12px;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

/* ---------- login ---------- */

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 32px;
}

.login-card h1 {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 24px;
  letter-spacing: -0.01em;
}

.login-card .hint {
  font-size: 13px;
  color: var(--text-mute);
  margin: 0 0 24px;
  line-height: 1.6;
}

/* ---------- forms ---------- */

.form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row label,
label.form-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-mute);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

input[type="text"],
input[type="password"],
input:not([type]) {
  width: 100%;
  padding: 9px 11px;
  font-size: 14px;
  font-family: inherit;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: var(--surface);
  color: var(--text);
  box-sizing: border-box;
  transition: border-color 0.12s, box-shadow 0.12s;
}
input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-bg);
}
input:disabled {
  background: var(--bg);
  color: var(--text-mute);
  cursor: not-allowed;
}

input.captcha {
  font-size: 22px;
  letter-spacing: 8px;
  text-align: center;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  padding: 12px;
}

input[type="file"] {
  font-size: 13px;
  color: var(--text);
  padding: 6px 0;
}
input[type="file"]:disabled {
  color: var(--text-mute);
}

/* radio group — single horizontal row */
.radio-group {
  display: flex;
  gap: 20px;
  align-items: center;
  padding: 6px 0 2px;
}
.radio-group label.radio {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  margin: 0;
}
.radio-group input[type="radio"] {
  width: auto;
  padding: 0;
  margin: 0;
  cursor: pointer;
}

/* buttons */
button {
  align-self: flex-start;
  padding: 9px 20px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  background: var(--accent);
  color: #FFFFFF;
  border: 0;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.12s;
}
button:hover { background: #142A22; }
button:disabled {
  background: var(--border-strong);
  color: var(--text-mute);
  cursor: not-allowed;
}

button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
  padding: 8px 16px;
}
button.ghost:hover {
  background: var(--bg);
}

/* ---------- messages ---------- */

.msg {
  padding: 10px 14px;
  border-radius: 4px;
  font-size: 13px;
  line-height: 1.5;
}
.msg.err  { background: var(--error-bg); color: var(--error); border: 1px solid #ECCFCB; }
.msg.hint { background: var(--info-bg); color: var(--text); border: 1px solid var(--border-strong); }

/* ---------- tabs ---------- */

.tabs {
  display: flex;
  border-bottom: 1px solid var(--border-strong);
  margin: 0 0 28px;
  position: relative;
}
.tab {
  position: relative;
  padding: 12px 18px;
  font-size: 14px;
  color: var(--text-mute);
  text-decoration: none;
  font-weight: 500;
}
.tab:hover { color: var(--text); text-decoration: none; }
.tab.active { color: var(--text); }
/* active 下划线用 ::after 伪元素：相对于 .tabs 定位,
   下划线宽度 = tab 内容宽度 + padding,active 切换时位置跟着 tab 走,
   但视觉厚度/颜色一致，不会出现"border 消失→出现"的闪烁。 */
.tab.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px; /* 盖住 .tabs 的 1px border-bottom */
  height: 2px;
  background: var(--accent);
}

.panel { display: none; }
.panel.active { display: block; }

/* ---------- records table ---------- */

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
th, td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
tbody tr:last-child td { border-bottom: 0; }
th {
  color: var(--text-mute);
  font-weight: 500;
  font-size: 12px;
  background: var(--bg);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
td.time {
  color: var(--text-mute);
  font-variant-numeric: tabular-nums;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px;
}
td.status-ok    { color: var(--accent); font-weight: 500; }
td.status-fail   { color: var(--error); font-weight: 500; }
span.status-manual {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 3px;
  background: var(--accent-bg);
  color: var(--accent);
  font-size: 12px;
  font-weight: 500;
}

.empty {
  padding: 56px 24px;
  text-align: center;
  color: var(--text-mute);
  font-size: 13px;
  background: var(--surface);
  border: 1px dashed var(--border-strong);
  border-radius: 4px;
}

/* ---------- toast (flash from ?error= query) ---------- */

.toast {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 360px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
  font-size: 13px;
  color: var(--text);
  transform: translateY(-12px);
  opacity: 0;
  transition: transform 0.22s ease-out, opacity 0.22s ease-out;
}
.toast[role="alert"] { animation: toast-in 0.22s ease-out forwards; }

/* error 样式 — 红调,一眼能区分成功 / 错误 */
.toast.toast-err {
  background: var(--error-bg);
  border-color: #ECCFCB;
  border-left: 4px solid var(--error);
  color: var(--error);
}
.toast.toast-err .toast-close {
  color: var(--error);
  opacity: 0.6;
}
.toast.toast-err .toast-close:hover { opacity: 1; }

.toast-msg {
  flex: 1;
  min-width: 0;
  line-height: 1.45;
  word-break: break-word;
}

.toast-close {
  background: none;
  border: 0;
  padding: 0 4px;
  margin: 0;
  color: var(--text-mute);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  align-self: auto;
}
.toast-close:hover { color: var(--text); }

.toast-leaving {
  transform: translateY(-12px);
  opacity: 0;
}

@keyframes toast-in {
  from { transform: translateY(-12px); opacity: 0; }
  to   { transform: translateY(0);     opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .toast { transition: none; animation: none; transform: none; opacity: 1; }
  .toast-leaving { transition: none; }
}

/* ---------- sections ---------- */

h3.section-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-mute);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 36px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* ---------- admin nav + sections ---------- */

.admin-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.admin-nav a {
  color: var(--text-mute);
  text-decoration: none;
}
.admin-nav a:hover { color: var(--text); text-decoration: none; }
.admin-nav a.active {
  color: var(--text);
  border-bottom: 2px solid var(--accent);
  margin-bottom: -15px;
  padding-bottom: 14px;
}
.admin-nav .spacer { flex: 1; }
.admin-nav .muted { color: var(--text-mute); }

/* card section: 表面 + 边框 + 内边距，包一组内容 */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 20px 24px;
  margin-bottom: 16px;
}
.card h3 {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-mute);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* key-value list: label 左列 + value 右列 */
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 8px 16px; font-size: 13px; line-height: 1.7; }
.kv dt { color: var(--text-mute); }
.kv dd { margin: 0; word-break: break-word; }
.kv dd code { font-size: 12px; }

/* actions: 按钮横排 */
.actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.actions form { display: inline; margin: 0; padding: 0; }
.actions button {
  display: inline-block;
  align-self: auto;
  padding: 7px 14px;
  margin: 0;
  font-size: 13px;
}
button.danger {
  background: var(--error);
  color: #FFFFFF;
}
button.danger:hover { background: #8B3030; }

.muted { color: var(--text-mute); font-size: 12px; }

/* logout button — 视觉上像链接,但实际是 POST form(防 <img src> CSRF) */
button.logout-btn {
  display: inline-block;
  padding: 0;
  margin: 0;
  background: none;
  border: 0;
  color: var(--accent);
  font-size: inherit;
  font-weight: 400;
  cursor: pointer;
}
button.logout-btn:hover { color: var(--text); text-decoration: underline; }

/* ---------- photo list ---------- */

.photo-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
}
.photo-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
}
.photo-list code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  flex: 1;
  font-size: 12px;
  word-break: break-all;
  color: var(--text-mute);
}
.inline-form {
  display: inline;
  margin: 0;
  padding: 0;
}
.link-delete {
  background: none;
  border: 0;
  padding: 0 6px;
  margin: 0;
  color: var(--text-mute);
  font-size: 18px;
  cursor: pointer;
  line-height: 1;
}
.link-delete:hover { color: var(--error); }

/* small helper text */
small.hint {
  display: block;
  color: var(--text-mute);
  font-size: 12px;
  margin-top: 4px;
}