/* ============================================================
   TCP 转发抓包管理平台 · v2 设计系统
   Token-based · 中性主题 · 无构建依赖
   ============================================================ */

:root {
  /* color tokens */
  --c-bg: #f5f7fa;
  --c-surface: #ffffff;
  --c-border: #e4e8ee;
  --c-border-strong: #d3dae3;
  --c-text-1: #1f2733;
  --c-text-2: #5b6675;
  --c-text-3: #98a2b3;
  --c-primary: #2e7cf6;
  --c-primary-hover: #1c63d4;
  --c-primary-soft: #eaf2fe;
  --c-success: #16a34a;
  --c-success-soft: #e8f7ee;
  --c-danger: #dc4c4c;
  --c-danger-soft: #fdecec;
  --c-warning: #d99a06;
  --c-warning-soft: #fdf3d9;
  --c-dark: #16202e;

  /* shape & shadow */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --shadow-1: 0 1px 2px rgba(16, 24, 40, .06);
  --shadow-2: 0 8px 28px rgba(16, 24, 40, .14);
  --shadow-3: 0 18px 56px rgba(16, 24, 40, .28);

  /* spacing */
  --gap: 16px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--c-bg);
  color: var(--c-text-1);
  font-size: 14px;
  line-height: 1.5;
}
button, input, select, textarea { font: inherit; color: inherit; }
.mono { font-family: "JetBrains Mono", Consolas, Menlo, monospace; font-size: 12.5px; }
.muted { color: var(--c-text-3); }

:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; border-radius: 4px; }

/* ---------------- buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid transparent; border-radius: var(--r-sm);
  padding: 7px 14px; font-size: 13px; font-weight: 500;
  cursor: pointer; white-space: nowrap;
  transition: background .15s, border-color .15s, color .15s;
  background: transparent;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--c-primary-hover); }
.btn-secondary { background: var(--c-surface); border-color: var(--c-border-strong); color: var(--c-text-1); }
.btn-secondary:hover:not(:disabled) { border-color: var(--c-primary); color: var(--c-primary); }
.btn-danger { background: var(--c-surface); border-color: var(--c-border-strong); color: var(--c-danger); }
.btn-danger:hover:not(:disabled) { background: var(--c-danger-soft); border-color: var(--c-danger); }
.btn-danger-solid { background: var(--c-danger); color: #fff; }
.btn-danger-solid:hover:not(:disabled) { background: #c43d3d; }
.btn-warn { background: var(--c-warning-soft); color: #8a6204; border-color: #f0dca2; }
.btn-warn:hover:not(:disabled) { border-color: var(--c-warning); }
.btn-ghost { color: var(--c-text-2); padding: 6px 8px; }
.btn-ghost:hover:not(:disabled) { background: #eef1f5; color: var(--c-text-1); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-lg { padding: 10px 18px; font-size: 14px; }
.btn-block { width: 100%; justify-content: center; }

/* ---------------- form ---------------- */
.field { margin-bottom: 16px; }
.field label {
  display: block; font-size: 13px; font-weight: 500;
  color: var(--c-text-2); margin-bottom: 6px;
}
.field label .req { color: var(--c-danger); margin-left: 2px; }
.field .hint { font-size: 12px; color: var(--c-text-3); margin-top: 4px; }
.field .ferr { font-size: 12px; color: var(--c-danger); margin-top: 4px; min-height: 0; }
.input, .select {
  width: 100%; padding: 8px 12px; font-size: 13px;
  border: 1px solid var(--c-border-strong); border-radius: var(--r-sm);
  background: var(--c-surface); transition: border-color .15s, box-shadow .15s;
}
.input:focus, .select:focus {
  outline: none; border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(46, 124, 246, .15);
}
.input.invalid { border-color: var(--c-danger); }
.input::placeholder { color: var(--c-text-3); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }

/* ---------------- topbar ---------------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  height: 56px; background: var(--c-dark); color: #fff;
  display: flex; align-items: center; gap: 14px; padding: 0 22px;
}
.topbar .brand { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 600; }
.topbar .brand .logo {
  width: 28px; height: 28px; border-radius: 8px; flex: none;
  background: linear-gradient(135deg, #2e7cf6, #7aa5ff);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
}
.topbar .spacer { flex: 1; }
.topbar .userchip {
  display: flex; align-items: center; gap: 8px;
  background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .12);
  padding: 5px 12px; border-radius: 999px; font-size: 13px;
}
.topbar .avatar {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--c-primary); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600;
}
.topbar .btn { color: rgba(255, 255, 255, .85); border-color: rgba(255, 255, 255, .25); padding: 5px 12px; }
.topbar .btn:hover { background: rgba(255, 255, 255, .12); color: #fff; }

/* role tag */
.tag {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 500;
}
.tag-admin { background: var(--c-warning-soft); color: #8a6204; }
.tag-user { background: var(--c-primary-soft); color: var(--c-primary-hover); }

/* status pill with dot */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 500;
  white-space: nowrap;
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; flex: none; }
.pill-on { background: var(--c-success-soft); color: var(--c-success); }
.pill-on .dot { background: var(--c-success); animation: pulse 1.8s infinite; }
.pill-off { background: #f0f2f5; color: var(--c-text-2); }
.pill-off .dot { background: #b6bec9; }
.pill-warn { background: var(--c-warning-soft); color: #8a6204; }
.pill-warn .dot { background: var(--c-warning); animation: pulse 1.8s infinite; }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(22, 163, 74, .35); }
  50% { box-shadow: 0 0 0 4px rgba(22, 163, 74, 0); }
}

/* ---------------- layout ---------------- */
.wrap { max-width: 1180px; margin: 0 auto; padding: 20px 22px 60px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.page-head h1 { margin: 0; font-size: 18px; }
.page-head .sub { font-size: 12.5px; color: var(--c-text-3); margin-top: 3px; }

/* tabs */
.tabs {
  display: flex; gap: 4px; border-bottom: 1px solid var(--c-border);
  margin-bottom: 18px;
}
.tab {
  appearance: none; border: none; background: none; cursor: pointer;
  padding: 10px 16px; font-size: 14px; color: var(--c-text-2);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  display: inline-flex; align-items: center; gap: 7px; white-space: nowrap;
}
.tab:hover { color: var(--c-text-1); }
.tab.active { color: var(--c-primary); border-bottom-color: var(--c-primary); font-weight: 600; }
.tab .badge {
  background: #eef1f5; color: var(--c-text-2);
  border-radius: 999px; padding: 0 7px; font-size: 11.5px; line-height: 17px;
}
.tab.active .badge { background: var(--c-primary-soft); color: var(--c-primary); }

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

/* card */
.card {
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--r-lg); box-shadow: var(--shadow-1);
}
.card .card-head {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 14px 18px; border-bottom: 1px solid var(--c-border);
}
.card .card-head h2 { margin: 0; font-size: 15px; }
.card .card-head .desc { font-size: 12.5px; color: var(--c-text-3); }
.card .card-head .spacer { flex: 1; }
.card .card-body { padding: 6px 18px 14px; }
.card .card-body.flush { padding: 0; }

/* ---------------- table ---------------- */
.tbl-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; min-width: 760px; }
.tbl th, .tbl td { text-align: left; padding: 11px 14px; font-size: 13px; vertical-align: middle; }
.tbl thead th {
  background: #f8fafc; color: var(--c-text-2); font-weight: 600; font-size: 12.5px;
  border-bottom: 1px solid var(--c-border); white-space: nowrap;
}
.tbl tbody tr { border-bottom: 1px solid var(--c-border); transition: background .12s; }
.tbl tbody tr:last-child { border-bottom: none; }
.tbl tbody tr:hover { background: #f8fafc; }
.tbl .ops { display: flex; gap: 6px; flex-wrap: nowrap; }
.tbl td.payload-cell { max-width: 340px; }

/* 实时报文表格：除负载内容外全部单行 */
.tbl.pkt-tbl td { white-space: nowrap; }
.tbl.pkt-tbl td.payload-cell { white-space: normal; word-break: break-all; }

/* 文件列表：全列单行 */
.tbl.file-tbl td { white-space: nowrap; }

/* 查看器：除负载内容外全部单行 */
.tbl.viewer-tbl td { white-space: nowrap; }
.tbl.viewer-tbl td.payload-cell { white-space: normal; word-break: break-all; }

/* sticky header for scroll boxes */
/* 滚动区域撑满窗口剩余高度 */
.scrollbox { max-height: calc(100vh - 290px); overflow: auto; }
.scrollbox .tbl thead th { position: sticky; top: 0; z-index: 2; }

/* addr cell with copy */
.addr { display: inline-flex; align-items: center; gap: 6px; }
.addr .copy-btn {
  border: none; background: none; cursor: pointer; color: var(--c-text-3);
  padding: 2px; border-radius: 4px; display: inline-flex; line-height: 0;
}
.addr .copy-btn:hover { color: var(--c-primary); background: var(--c-primary-soft); }

/* empty state */
.empty { padding: 44px 16px; text-align: center; color: var(--c-text-3); }
.empty .icon { font-size: 30px; margin-bottom: 8px; opacity: .6; }
.empty .hint { font-size: 12.5px; margin-top: 4px; }

/* ---------------- dialog ---------------- */
.mask {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(15, 23, 42, .48);
  display: none; align-items: flex-start; justify-content: center;
  padding: 8vh 16px 16px;
}
.mask.show { display: flex; animation: fadeIn .16s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.dialog {
  background: var(--c-surface); border-radius: var(--r-lg);
  width: 520px; max-width: 100%; max-height: 84vh;
  display: flex; flex-direction: column; overflow: hidden;
  box-shadow: var(--shadow-3); animation: popIn .18s ease;
}
.dialog.wide {
  width: 96vw; max-width: 96vw; max-height: 94vh;
  margin: 0 auto;
}

/* 查看器弹窗占满屏幕 */
#viewer_mask.show { padding: 2vh 2vw !important; }
#viewer_mask .dialog { height: 96vh !important; max-height: 96vh !important; }
#viewer_mask .d-body { overflow: visible !important; }
#viewer_mask .scrollbox {
  height: calc(96vh - 110px) !important; max-height: none !important; overflow: auto !important;
}
@keyframes popIn { from { transform: translateY(10px); opacity: 0; } to { transform: none; opacity: 1; } }
.dialog .d-head {
  display: flex; align-items: center; gap: 10px;
  padding: 15px 20px; border-bottom: 1px solid var(--c-border);
}
.dialog .d-head h3 { margin: 0; font-size: 15.5px; flex: 1; word-break: break-all; }
.dialog .d-body { padding: 20px; overflow: auto; }
.dialog .d-foot {
  display: flex; justify-content: flex-end; gap: 10px;
  padding: 14px 20px; border-top: 1px solid var(--c-border); background: #fafbfc;
}
.icon-close {
  border: none; background: none; cursor: pointer; color: var(--c-text-3);
  width: 28px; height: 28px; border-radius: 6px; font-size: 16px; line-height: 1;
}
.icon-close:hover { background: #eef1f5; color: var(--c-text-1); }

/* confirm */
.confirm-msg { color: var(--c-text-2); font-size: 13.5px; }
.confirm-title-danger { color: var(--c-danger); }

/* ---------------- viewer pagination ---------------- */
.pager { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pager .pg-info { font-size: 12.5px; color: var(--c-text-2); }
.pager .jump { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--c-text-2); }
.pager .jump input {
  width: 56px; text-align: center; padding: 5px 6px;
  border: 1px solid var(--c-border-strong); border-radius: var(--r-sm);
}

/* ---------------- toasts ---------------- */
#toasts {
  position: fixed; right: 20px; bottom: 24px; z-index: 2000;
  display: flex; flex-direction: column; gap: 10px; pointer-events: none;
}
.toast {
  display: flex; align-items: center; gap: 9px;
  background: var(--c-dark); color: #fff;
  border-radius: 8px; padding: 10px 16px; font-size: 13px;
  box-shadow: var(--shadow-2); max-width: 380px;
  animation: toastIn .2s ease;
}
.toast.success { background: #14532d; }
.toast.error { background: #7f1d1d; }
@keyframes toastIn { from { transform: translateY(8px); opacity: 0; } to { transform: none; opacity: 1; } }
.toast.out { opacity: 0; transform: translateY(6px); transition: all .25s; }

/* ---------------- login ---------------- */
#login_view {
  position: fixed; inset: 0; z-index: 900;
  display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(1200px 600px at 15% 0%, #24405e 0%, transparent 55%),
    radial-gradient(1000px 700px at 100% 100%, #1d3a5f 0%, transparent 50%),
    linear-gradient(160deg, #101a28, #182638 60%, #101a28);
}
.login-panel {
  width: 400px; max-width: calc(100vw - 32px);
  background: var(--c-surface); border-radius: var(--r-lg);
  padding: 38px 36px 30px; box-shadow: var(--shadow-3);
}
.login-panel .lg-logo {
  width: 44px; height: 44px; border-radius: 12px; margin-bottom: 18px;
  background: linear-gradient(135deg, #2e7cf6, #7aa5ff);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 20px;
}
.login-panel h1 { margin: 0 0 4px; font-size: 20px; }
.login-panel .sub { color: var(--c-text-3); font-size: 13px; margin-bottom: 26px; }
.login-panel .remember {
  display: flex; align-items: center; gap: 7px;
  font-size: 13px; color: var(--c-text-2); margin: 2px 0 18px;
}
.login-panel .remember input { width: auto; accent-color: var(--c-primary); }
.login-panel .lg-foot { text-align: center; font-size: 12px; color: var(--c-text-3); margin-top: 16px; }

/* switch (live auto refresh) */
.switchline { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--c-text-2); }
.switch { position: relative; width: 34px; height: 20px; flex: none; }
.switch input { opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; position: absolute; z-index: 1; }
.switch .track {
  position: absolute; inset: 0; border-radius: 999px;
  background: #cbd2dc; transition: background .15s;
}
.switch .track::after {
  content: ""; position: absolute; top: 2px; left: 2px;
  width: 16px; height: 16px; border-radius: 50%; background: #fff;
  transition: left .15s; box-shadow: 0 1px 2px rgba(0,0,0,.25);
}
.switch input:checked + .track { background: var(--c-primary); }
.switch input:checked + .track::after { left: 16px; }

/* live toolbar */
.toolbar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 0;
}
.toolbar .select { width: 300px; }
.toolbar .filter-input { width: 240px; }

.kv-note {
  background: var(--c-primary-soft); border: 1px solid #d5e5fd;
  color: #1b4d9e; border-radius: 8px; padding: 8px 12px;
  font-size: 12.5px; margin-bottom: 14px;
}

/* responsive */
@media (max-width: 720px) {
  .wrap { padding: 14px 12px 48px; }
  .grid-2 { grid-template-columns: 1fr; }
  .toolbar .select, .toolbar .filter-input { width: 100%; }
  .topbar { padding: 0 12px; gap: 8px; }
  .topbar .userchip .uname { max-width: 80px; overflow: hidden; text-overflow: ellipsis; }
}

/* app hidden until authed */
body:not(.authed) #app { display: none; }
body.authed #login_view { display: none; }

/* form-row: 两列对齐布局 */
.form-row { display: flex; gap: 12px; margin-bottom: 14px; }
.form-row .field { margin-bottom: 0; }
.form-row:last-child { margin-bottom: 0; }