:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --line: #e2e7f0;
  --text: #1e2330;
  --muted: #7a8398;
  --accent: #2f6fed;
  --accent-dark: #2059cc;
  --ok: #12855a;
  --ok-bg: #e7f7f0;
  --err: #c4344a;
  --err-bg: #fdecef;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.6;
}

.page { max-width: 1280px; margin: 0 auto; padding: 32px 24px 64px; }

.hero { margin-bottom: 24px; }
.hero h1 { margin: 0 0 6px; font-size: 26px; letter-spacing: .5px; }
.hero .sub { margin: 0; color: var(--muted); }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}
@media (max-width: 980px) { .layout { grid-template-columns: 1fr; } }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 1px 2px rgba(20, 32, 60, .04);
}

.field { margin-bottom: 18px; }
.field > label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 13px;
}
.req { color: var(--err); }
.opt { color: var(--muted); font-weight: 400; }

input[type="text"], textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
  color: inherit;
  font: inherit;
  resize: vertical;
  transition: border-color .15s, box-shadow .15s;
}
input[type="text"]:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(47, 111, 237, .12);
  background: #fff;
}
input.invalid, textarea.invalid { border-color: var(--err); background: var(--err-bg); }

/* 拖拽上传区 */
.dropzone {
  border: 1.5px dashed #c3cee3;
  border-radius: 10px;
  padding: 22px 16px;
  text-align: center;
  background: #fbfcfe;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.dropzone:hover, .dropzone:focus { border-color: var(--accent); background: #f5f8ff; outline: none; }
.dropzone.dragover { border-color: var(--accent); background: #eef4ff; }
.dz-main { font-weight: 600; }
.dz-hint { margin-top: 4px; color: var(--muted); font-size: 12px; }

.file-list { list-style: none; margin: 10px 0 0; padding: 0; }
.file-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  margin-bottom: 6px;
  font-size: 13px;
}
.file-list .idx {
  flex: none;
  font-family: Consolas, monospace;
  color: var(--accent);
  font-weight: 700;
}
.file-list .fname { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-list .fsize { flex: none; color: var(--muted); font-size: 12px; }
.file-list .rm {
  flex: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 6px;
}
.file-list .rm:hover { color: var(--err); background: var(--err-bg); }

/* 按钮 */
.actions { display: flex; align-items: center; gap: 14px; margin-top: 22px; }
button[type="submit"] {
  padding: 10px 28px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, transform .05s;
}
button[type="submit"]:hover:not(:disabled) { background: var(--accent-dark); }
button[type="submit"]:active:not(:disabled) { transform: translateY(1px); }
button[type="submit"]:disabled { opacity: .6; cursor: not-allowed; }

.ghost {
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--text);
  font: inherit;
  font-size: 13px;
  text-decoration: none;
  cursor: pointer;
}
.ghost:hover { border-color: var(--accent); color: var(--accent); }

.status { font-size: 13px; }
.status.ok { color: var(--ok); }
.status.err { color: var(--err); }
.status .path { font-family: Consolas, monospace; background: var(--ok-bg); padding: 1px 6px; border-radius: 4px; }

/* 记录列表 */
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.card-head h2 { margin: 0; font-size: 16px; }
.head-actions { display: flex; gap: 8px; }

.records { max-height: 620px; overflow: auto; }
.records .empty { color: var(--muted); text-align: center; padding: 24px 0; }
.records table { width: 100%; border-collapse: collapse; font-size: 13px; }
.records th, .records td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.records th {
  position: sticky;
  top: 0;
  background: #f7f9fd;
  font-weight: 600;
  white-space: nowrap;
  z-index: 1;
}
.records td.num { text-align: center; color: var(--muted); font-family: Consolas, monospace; }
.records td.path { font-family: Consolas, monospace; font-size: 12px; color: var(--accent); word-break: break-all; }
.records td.clamp { max-width: 220px; }
.records td.clamp span {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   查看 / 编辑模式
   -------------------------------------------------------------------------- */
.hidden { display: none !important; }

.mode-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: -4px 0 18px;
  padding: 10px 14px;
  border: 1px solid #cfe0ff;
  border-radius: 10px;
  background: #eef4ff;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 600;
}
.mode-text b { font-family: Consolas, monospace; }

#report-form.view-mode input[type="text"],
#report-form.view-mode textarea {
  background: #f3f5f9;
  color: #4b5568;
  border-color: var(--line);
  cursor: default;
}
#report-form.view-mode input[type="text"]:focus,
#report-form.view-mode textarea:focus {
  border-color: var(--line);
  box-shadow: none;
  background: #f3f5f9;
}

.file-list li.empty-line {
  justify-content: center;
  color: var(--muted);
  border-style: dashed;
  background: #fbfcfe;
}

/* --------------------------------------------------------------------------
   数据行操作：按钮 + 下拉菜单
   -------------------------------------------------------------------------- */
.records th.op, .records td.op-cell { text-align: right; white-space: nowrap; }

.op-btn {
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--text);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
}
.op-btn:hover, .op-btn[aria-expanded="true"] {
  border-color: var(--accent);
  color: var(--accent);
}
.op-btn .caret { margin-left: 3px; font-size: 10px; opacity: .7; }

.dropdown-menu {
  position: fixed;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 118px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 8px 26px rgba(20, 32, 60, .16);
}
.dropdown-menu button {
  padding: 8px 12px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 13px;
  text-align: left;
  cursor: pointer;
}
.dropdown-menu button:hover { background: #f2f6ff; color: var(--accent); }
.dropdown-menu button.danger-item { color: var(--err); }
.dropdown-menu button.danger-item:hover { background: var(--err-bg); color: var(--err); }

/* --------------------------------------------------------------------------
   二次确认弹窗
   -------------------------------------------------------------------------- */
.modal-mask {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(17, 24, 39, .45);
}
.modal {
  width: min(420px, 100%);
  padding: 22px 22px 18px;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 20px 60px rgba(15, 23, 42, .3);
}
.modal h3 { margin: 0 0 10px; font-size: 17px; }
.modal p { margin: 0 0 20px; color: #4b5568; font-size: 13.5px; line-height: 1.7; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; }

button.danger {
  padding: 9px 20px;
  border: 0;
  border-radius: 8px;
  background: var(--err);
  color: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button.danger:hover:not(:disabled) { background: #a82a3d; }
button.danger:disabled { opacity: .6; cursor: not-allowed; }

/* --------------------------------------------------------------------------
   锁屏页
   -------------------------------------------------------------------------- */
.lock-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle at 18% 18%, #e8f0ff 0%, rgba(232, 240, 255, 0) 55%),
    radial-gradient(circle at 82% 82%, #eef7f2 0%, rgba(238, 247, 242, 0) 50%),
    var(--bg);
}

.lock-card {
  width: min(380px, 100%);
  padding: 36px 32px 26px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 18px 50px rgba(20, 32, 60, .12);
  text-align: center;
}

.lock-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  background: #eef4ff;
  border-radius: 50%;
}

.lock-card h1 { margin: 0 0 6px; font-size: 22px; letter-spacing: .5px; }
.lock-sub { margin: 0 0 22px; color: var(--muted); font-size: 13px; }

#lock-form input[type="password"] {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  font-size: 15px;
  letter-spacing: 2px;
  color: inherit;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fbfcfe;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
#lock-form input[type="password"]:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(47, 111, 237, .12);
}

#unlock-btn {
  width: 100%;
  margin-top: 12px;
  padding: 12px;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
}
#unlock-btn:hover:not(:disabled) { background: var(--accent-dark); }
#unlock-btn:disabled { opacity: .6; cursor: not-allowed; }

.lock-msg { min-height: 20px; margin: 14px 0 0; font-size: 13px; color: var(--muted); }
.lock-msg.err { color: var(--err); }
.lock-msg.warn { color: #b7791f; }
.lock-hint { margin: 10px 0 0; color: #a2a9b8; font-size: 12px; }

/* --------------------------------------------------------------------------
   顶部导航栏
   -------------------------------------------------------------------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .3px;
  white-space: nowrap;
}
.brand-mark {
  padding: 2px 9px;
  border-radius: 7px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
}

.topbar-right { display: flex; align-items: center; gap: 12px; }

.session-user {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--ok-bg);
  color: var(--ok);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.session-user::before { content: "👤"; }
.session-user:empty { display: none; }

.lock-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
}
.lock-btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
  background: #f5f8ff;
}
.lock-btn:disabled { opacity: .6; cursor: not-allowed; }
.lock-btn-icon { font-size: 12px; }

@media (max-width: 560px) {
  .topbar-inner { padding: 10px 16px; }
  .brand { font-size: 14px; gap: 8px; }
  .session-user { padding: 4px 10px; }
  .lock-btn { padding: 6px 10px; }
}