/* NetDrop 公共样式 */
:root {
  --bg: #f2f4f9;
  --bg-soft: #e9edf7;
  --card: #ffffff;
  --ink: #16192b;
  --ink-2: #4b5268;
  --ink-3: #8b93a8;
  --line: #e4e8f2;
  --brand: #4356e0;
  --brand-dark: #3444c4;
  --brand-soft: #eef0ff;
  --ok: #12a05c;
  --ok-soft: #e7f8ef;
  --warn: #d97706;
  --warn-soft: #fdf3e3;
  --err: #d93a3a;
  --err-soft: #fdecec;
  --radius: 16px;
  --shadow-sm: 0 1px 2px rgba(22, 25, 43, .05), 0 2px 8px rgba(22, 25, 43, .04);
  --shadow: 0 10px 40px rgba(35, 44, 84, .09), 0 2px 8px rgba(35, 44, 84, .05);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(900px 520px at 8% -10%, #e6ebff 0%, rgba(230, 235, 255, 0) 62%),
    radial-gradient(760px 460px at 100% 0%, #e2fbf3 0%, rgba(226, 251, 243, 0) 55%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
}

button, input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }
a { color: var(--brand); text-decoration: none; }

/* ---------- 品牌标识 ---------- */
.brand { display: flex; align-items: center; gap: 12px; }
.mark {
  width: 40px; height: 40px; border-radius: 12px; flex: none;
  display: grid; place-items: center;
  background: linear-gradient(145deg, #5c6cf0, #3a49d0 55%, #2f3fbe);
  box-shadow: 0 6px 16px rgba(67, 86, 224, .32), inset 0 1px 0 rgba(255, 255, 255, .35);
  color: #fff;
}
.mark svg { width: 22px; height: 22px; display: block; }
.brand-name { font-size: 17px; font-weight: 700; letter-spacing: .2px; }
.brand-sub { font-size: 12px; color: var(--ink-3); margin-top: 1px; }

/* ---------- 落地页 ---------- */
.landing {
  min-height: 100%;
  display: flex; flex-direction: column; align-items: center;
  padding: 48px 20px 32px;
}
.landing-main { width: 100%; max-width: 960px; flex: 1; display: flex; flex-direction: column; justify-content: center; }
.hero { width: 100%; max-width: 560px; margin: 0 auto; }

.hero-head { text-align: center; margin-bottom: 26px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 12px; border-radius: 999px;
  background: rgba(255, 255, 255, .75); border: 1px solid var(--line);
  color: var(--ink-2); font-size: 12.5px; font-weight: 500;
  box-shadow: var(--shadow-sm); backdrop-filter: blur(6px);
}
.pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); position: relative; }
.pulse::after {
  content: ""; position: absolute; inset: -4px; border-radius: 50%;
  border: 2px solid rgba(18, 160, 92, .35); animation: ping 2s ease-out infinite;
}
@keyframes ping { 0% { transform: scale(.6); opacity: 1; } 100% { transform: scale(1.5); opacity: 0; } }

.hero h1 {
  font-size: clamp(30px, 4.6vw, 42px);
  line-height: 1.18; margin: 18px 0 12px; letter-spacing: -1px; font-weight: 800;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, #4356e0, #6b57e0 55%, #0f9e8a);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p { margin: 0; color: var(--ink-2); font-size: 15px; line-height: 1.75; }

.panel {
  background: var(--card); border: 1px solid rgba(228, 232, 242, .9);
  border-radius: 20px; box-shadow: var(--shadow); padding: 24px;
}
.panel + .panel { margin-top: 16px; }

.field-label { font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 9px; display: block; }
.input-row { display: flex; gap: 10px; }
.input-wrap { position: relative; flex: 1; }
.input-wrap svg {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  width: 17px; height: 17px; color: var(--ink-3);
}
.input {
  width: 100%; height: 50px; padding: 0 14px 0 41px;
  border: 1.5px solid var(--line); border-radius: 12px;
  background: #fbfcff; font-size: 15px; outline: none;
  transition: border-color .18s, box-shadow .18s, background .18s;
}
.input::placeholder { color: #a7aec2; }
.input:focus {
  border-color: var(--brand); background: #fff;
  box-shadow: 0 0 0 4px rgba(67, 86, 224, .12);
}
.input:disabled { opacity: .6; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 50px; padding: 0 22px; border-radius: 12px;
  font-size: 15px; font-weight: 600; white-space: nowrap;
  transition: transform .12s, box-shadow .18s, background .18s, opacity .18s;
}
.btn-primary {
  background: linear-gradient(180deg, #5264ea, var(--brand));
  color: #fff; box-shadow: 0 8px 20px rgba(67, 86, 224, .28);
}
.btn-primary:hover { background: linear-gradient(180deg, #4a5ce4, var(--brand-dark)); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary:disabled { opacity: .55; cursor: not-allowed; box-shadow: none; }
.btn-ghost {
  background: #fff; border: 1.5px solid var(--line); color: var(--ink-2);
  height: 40px; padding: 0 14px; border-radius: 10px; font-size: 13.5px;
}
.btn-ghost:hover { border-color: #cdd5e8; color: var(--ink); }
.btn-ghost:disabled { opacity: .5; cursor: not-allowed; }

.msg { margin-top: 14px; display: none; align-items: flex-start; gap: 9px;
  padding: 11px 13px; border-radius: 11px; font-size: 13.5px; line-height: 1.6; }
.msg svg { width: 16px; height: 16px; flex: none; margin-top: 2px; }
.msg.show { display: flex; }
.msg.error { background: var(--err-soft); color: #a82a2a; }
.msg.warn { background: var(--warn-soft); color: #96540b; }
.msg.ok { background: var(--ok-soft); color: #0c7a46; }

.hint { margin-top: 12px; font-size: 12.5px; color: var(--ink-3); line-height: 1.7; }
.hint b { color: var(--ink-2); font-weight: 600; }
.hint code {
  font-family: var(--mono); font-size: 12px; background: var(--bg-soft);
  padding: 1px 6px; border-radius: 5px; color: var(--ink-2);
}

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 22px; }
.feature {
  background: rgba(255, 255, 255, .72); border: 1px solid var(--line);
  border-radius: 14px; padding: 15px 16px; box-shadow: var(--shadow-sm);
}
.feature .ico {
  width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand); margin-bottom: 10px;
}
.feature .ico svg { width: 16px; height: 16px; }
.feature h3 { margin: 0 0 4px; font-size: 13.5px; font-weight: 700; }
.feature p { margin: 0; font-size: 12.5px; color: var(--ink-3); line-height: 1.6; }

.foot {
  margin-top: 26px; padding-top: 16px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 12px;
  font-size: 12px; color: var(--ink-3); width: 100%; max-width: 960px;
}

/* ---------- 控制台 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 255, 255, .82); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 1180px; margin: 0 auto; padding: 11px 22px;
  display: flex; align-items: center; gap: 16px;
}
.topbar .spacer { flex: 1; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  height: 34px; padding: 0 13px; border-radius: 10px;
  background: var(--bg-soft); font-size: 13px; font-weight: 600; color: var(--ink-2);
}
.chip .avatar {
  width: 20px; height: 20px; border-radius: 6px; display: grid; place-items: center;
  background: var(--brand); color: #fff; font-size: 11px; font-weight: 700;
}
.state { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: var(--ink-2); }
.state .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ink-3); }
.state.online .dot { background: var(--ok); box-shadow: 0 0 0 4px rgba(18, 160, 92, .12); }
.state.offline .dot { background: var(--err); box-shadow: 0 0 0 4px rgba(217, 58, 58, .12); }

.console {
  max-width: 1180px; margin: 0 auto; padding: 22px;
  display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 18px; align-items: start;
}

.tabs { display: flex; gap: 6px; padding: 5px; background: var(--bg-soft); border-radius: 12px; }
.tab {
  flex: 1; height: 38px; border-radius: 9px; font-size: 14px; font-weight: 600;
  color: var(--ink-3); display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  transition: all .16s;
}
.tab svg { width: 15px; height: 15px; }
.tab:hover { color: var(--ink-2); }
.tab.active { background: #fff; color: var(--brand); box-shadow: var(--shadow-sm); }

.tabpane { display: none; margin-top: 16px; }
.tabpane.active { display: block; animation: fade .18s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

textarea.editor {
  width: 100%; min-height: 240px; resize: vertical;
  padding: 15px 16px; border: 1.5px solid var(--line); border-radius: 13px;
  background: #fbfcff; font-size: 14.5px; line-height: 1.75; outline: none;
  transition: border-color .18s, box-shadow .18s, background .18s;
}
textarea.editor:focus { border-color: var(--brand); background: #fff; box-shadow: 0 0 0 4px rgba(67, 86, 224, .1); }

.dropzone {
  border: 2px dashed #ccd5ea; border-radius: 14px; background: #fbfcff;
  padding: 34px 20px; text-align: center; transition: all .18s; cursor: pointer;
}
.dropzone:hover, .dropzone.drag { border-color: var(--brand); background: var(--brand-soft); }
.dropzone .dz-ico {
  width: 46px; height: 46px; margin: 0 auto 12px; border-radius: 13px;
  display: grid; place-items: center; background: #fff; color: var(--brand);
  box-shadow: var(--shadow-sm);
}
.dropzone .dz-ico svg { width: 22px; height: 22px; }
.dropzone h4 { margin: 0 0 6px; font-size: 14.5px; font-weight: 700; }
.dropzone p { margin: 0; font-size: 12.5px; color: var(--ink-3); line-height: 1.7; }

.stack { display: grid; gap: 9px; margin-top: 11px; }
.fileitem {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 11px; background: #fff;
}
.fileitem .thumb {
  width: 38px; height: 38px; border-radius: 9px; flex: none; overflow: hidden;
  background: var(--bg-soft); display: grid; place-items: center; color: var(--ink-2);
  font-size: 10px; font-weight: 700;
}
.fileitem .thumb img { width: 100%; height: 100%; object-fit: cover; }
.fileitem .meta { min-width: 0; flex: 1; }
.fileitem .name { font-size: 13.5px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fileitem .size { font-size: 11.5px; color: var(--ink-3); margin-top: 2px; }
.fileitem .x {
  width: 26px; height: 26px; border-radius: 8px; flex: none; display: grid; place-items: center;
  color: var(--ink-3); font-size: 15px;
}
.fileitem .x:hover { background: var(--err-soft); color: var(--err); }

.compose-foot {
  display: flex; align-items: center; gap: 12px; margin-top: 14px;
  padding-top: 14px; border-top: 1px solid var(--line);
}
.compose-foot .kbd { font-size: 12px; color: var(--ink-3); margin-right: auto; }
.compose-foot .kbd kbd {
  font-family: var(--mono); font-size: 11px; background: var(--bg-soft);
  border: 1px solid var(--line); border-bottom-width: 2px;
  padding: 1px 5px; border-radius: 5px; color: var(--ink-2);
}

.side-title {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13.5px; font-weight: 700; margin-bottom: 12px;
}
.side-title .count { font-size: 12px; font-weight: 600; color: var(--ink-3); }

.history {
  display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px;
  max-height: 520px; overflow-y: auto; padding-right: 2px;
}
.history::-webkit-scrollbar { width: 6px; }
.history::-webkit-scrollbar-thumb { background: #d5dbea; border-radius: 3px; }
.hitem { padding: 10px 11px; border: 1px solid var(--line); border-radius: 11px; background: #fff; }
.hitem-top { display: flex; align-items: center; gap: 8px; }
.badge {
  font-size: 10.5px; font-weight: 700; padding: 2px 7px; border-radius: 999px;
  letter-spacing: .3px; flex: none;
}
.badge.text { background: var(--brand-soft); color: var(--brand); }
.badge.file { background: #eaf1fe; color: #2563c9; }
.badge.image { background: #eafaf3; color: #0d8a63; }
.hitem .title {
  font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  flex: 1 1 auto; min-width: 0;
}
.hitem .sub { margin-top: 5px; font-size: 11.5px; color: var(--ink-3); display: flex; gap: 8px; align-items: center; }
.status { margin-left: 8px; flex: none; font-size: 11px; font-weight: 600; }
.status.pending { color: var(--warn); }
.status.delivered { color: var(--ok); }
.empty { text-align: center; padding: 28px 10px; color: var(--ink-3); font-size: 12.5px; line-height: 1.8; }

.notice {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 11px 13px; border-radius: 11px; font-size: 13px; line-height: 1.6;
  background: var(--warn-soft); color: #8a5309; margin-bottom: 14px;
}
.notice svg { width: 16px; height: 16px; flex: none; margin-top: 2px; }
.notice.hide { display: none; }

/* ---------- Toast ---------- */
#toasts {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%);
  display: flex; flex-direction: column; gap: 10px; z-index: 100; pointer-events: none;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 16px; border-radius: 12px; font-size: 13.5px; font-weight: 500;
  background: #1c2033; color: #fff; box-shadow: 0 12px 34px rgba(20, 24, 45, .28);
  animation: toastIn .24s cubic-bezier(.2, .9, .3, 1.2);
}
.toast.ok { background: #0f7a4d; }
.toast.err { background: #b42f2f; }
.toast.out { animation: toastOut .2s ease forwards; }
@keyframes toastIn { from { opacity: 0; transform: translateY(12px) scale(.97); } to { opacity: 1; transform: none; } }
@keyframes toastOut { to { opacity: 0; transform: translateY(-6px); } }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .console { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .topbar-inner { padding: 10px 14px; gap: 10px; }
  .brand-sub { display: none; }
  .console { padding: 14px; }
}
@media (max-width: 520px) {
  .input-row { flex-direction: column; }
  .btn-primary { width: 100%; }
  .landing { padding: 28px 14px; }
  .panel { padding: 18px; }
}

/* ==========================================================================
   管理台（/admin）
   ========================================================================== */
.admin-body { background: var(--bg); }
.mark-dark { background: linear-gradient(145deg, #22273f, #16192b); }

.admin-login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px;
}
.admin-login { width: 100%; max-width: 440px; padding: 26px 24px; }

.admin-main {
  max-width: 1180px; margin: 0 auto; padding: 20px 20px 40px;
  display: flex; flex-direction: column; gap: 16px;
}

/* 指标卡 */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.stat {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 14px 16px; box-shadow: var(--shadow-sm);
}
.stat-label { font-size: 12px; font-weight: 600; color: var(--ink-3); letter-spacing: .2px; }
.stat-value { margin-top: 6px; font-size: 24px; font-weight: 700; color: var(--ink); line-height: 1.15; }
.stat-sub { margin-left: 6px; font-size: 12px; font-weight: 500; color: var(--ink-3); }
.stat-foot { margin-top: 6px; font-size: 11.5px; color: var(--ink-3); }

.bar {
  margin-top: 9px; height: 6px; border-radius: 999px; background: var(--bg-soft); overflow: hidden;
}
.bar.bar-lg { height: 10px; margin-top: 10px; }
.bar > i {
  display: block; height: 100%; width: 0; border-radius: 999px;
  background: linear-gradient(90deg, #5b6bea, var(--brand));
  transition: width .35s ease;
}
.bar > i.warn { background: linear-gradient(90deg, #e9a23b, var(--warn)); }
.bar > i.danger { background: linear-gradient(90deg, #e96a6a, var(--err)); }

/* 键值网格 */
.kv-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px 18px;
}
.kv-grid > div {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: 9px 12px; border-radius: 10px; background: var(--bg-soft); font-size: 13px;
}
.kv-grid span { color: var(--ink-3); }
.kv-grid b { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }

/* 表格 */
.table-wrap { margin-top: 10px; overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-table th {
  text-align: left; font-size: 11.5px; font-weight: 600; color: var(--ink-3);
  padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap;
}
.admin-table td {
  padding: 10px; border-bottom: 1px solid #f0f2f9; color: var(--ink-2); vertical-align: middle;
}
.admin-table tbody tr:hover { background: #fafbff; }
.admin-table .mono { font-family: var(--mono); font-size: 12px; }
.muted { color: var(--ink-3); }
.bad-text { color: var(--err); font-style: normal; font-size: 11.5px; }

/* 状态胶囊 */
.pill {
  display: inline-block; padding: 2px 9px; border-radius: 999px;
  font-size: 11.5px; font-weight: 600; white-space: nowrap;
}
.pill.ok { background: var(--ok-soft); color: #0c7a46; }
.pill.off { background: #eef0f6; color: var(--ink-3); }
.pill.wait { background: var(--brand-soft); color: var(--brand-dark); }
.pill.bad { background: var(--err-soft); color: #a82a2a; }

/* 表单 */
.form-grid {
  margin-top: 12px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 16px;
}
.form-grid label { display: flex; flex-direction: column; gap: 6px; font-size: 12.5px; color: var(--ink-2); font-weight: 600; }
.form-grid label.check {
  flex-direction: row; align-items: center; gap: 8px; font-weight: 500;
  grid-column: 1 / -1; color: var(--ink-2);
}
.form-grid .input { font-size: 13px; }
select.input { height: 40px; }

/* 日志 */
.log-tools { display: flex; align-items: center; gap: 8px; }
.mini-select, .mini-input {
  height: 30px; padding: 0 10px; border-radius: 8px; border: 1px solid var(--line);
  background: #fff; font-size: 12px; color: var(--ink-2);
}
.mini-input { width: 130px; }
.mini-select:focus, .mini-input:focus { outline: none; border-color: var(--brand); }
.btn-sm { height: 30px; padding: 0 12px; font-size: 12px; border-radius: 8px; }

.log-list {
  margin-top: 10px; max-height: 520px; overflow-y: auto;
  border: 1px solid var(--line); border-radius: 12px;
}
.log-row {
  display: grid; grid-template-columns: 148px 88px 110px minmax(0, 1fr) 96px;
  gap: 10px; align-items: center; padding: 8px 12px; font-size: 12.5px;
  border-bottom: 1px solid #f1f3fa;
}
.log-row:last-child { border-bottom: none; }
.log-row.good { background: #fbfefc; }
.log-row.bad { background: #fffafa; }
.log-time { color: var(--ink-3); font-family: var(--mono); font-size: 11.5px; }
.log-tag {
  display: inline-block; text-align: center; padding: 1px 8px; border-radius: 6px;
  background: var(--bg-soft); color: var(--ink-2); font-size: 11.5px; font-weight: 600;
}
.log-user { color: var(--ink-2); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.log-detail { color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.log-ip { color: var(--ink-3); font-size: 11.5px; text-align: right; }

@media (max-width: 900px) {
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kv-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .log-row { grid-template-columns: 110px 70px minmax(0, 1fr); }
  .log-user, .log-ip { display: none; }
}

/* 控制台：暂存占用提示 */
.stage-line {
  margin: 6px 0 0; font-size: 11.5px; color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}
.stage-line.full { color: var(--err); font-weight: 600; }
.status.delivered { color: var(--ok); }
.status.failed { color: var(--err); }