:root {
  --bg0: #0c1222;
  --bg1: #121a2f;
  --bg2: #1a243d;
  --line: rgba(255, 255, 255, 0.08);
  --text: #e8eefc;
  --muted: #8b9bb8;
  --accent: #3dd6c6;
  --accent-2: #5b8cff;
  --danger: #ff6b7a;
  --ok: #5ce0a0;
  --warn: #ffc857;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --radius: 14px;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "Cascadia Code", "Consolas", monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(61, 214, 198, 0.16), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(91, 140, 255, 0.18), transparent 50%),
    linear-gradient(165deg, var(--bg0), #0a1020 45%, #0e1628);
}

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

.wrap {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}
.brand h1 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  font-weight: 700;
}
.brand span {
  color: var(--muted);
  font-size: 0.85rem;
}

.actions { display: flex; gap: 0.6rem; flex-wrap: wrap; }

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0.55rem 1rem;
  font: inherit;
  font-size: 0.92rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #2bb8a9);
  color: #04221f;
  font-weight: 650;
}
.btn-secondary {
  background: var(--bg2);
  color: var(--text);
  border-color: var(--line);
}
.btn-danger {
  background: rgba(255, 107, 122, 0.12);
  color: var(--danger);
  border-color: rgba(255, 107, 122, 0.35);
}
.btn-ghost {
  background: transparent;
  color: var(--muted);
  border-color: var(--line);
}

.panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), transparent 40%), var(--bg1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel-head {
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.panel-head h2 {
  margin: 0;
  font-size: 1.05rem;
}
.panel-body { padding: 1.25rem; }

.flash {
  margin-bottom: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--line);
}
.flash-ok { background: rgba(92, 224, 160, 0.1); color: var(--ok); border-color: rgba(92, 224, 160, 0.3); }
.flash-err { background: rgba(255, 107, 122, 0.1); color: var(--danger); border-color: rgba(255, 107, 122, 0.3); }

table {
  width: 100%;
  border-collapse: collapse;
}
th, td {
  text-align: left;
  padding: 0.85rem 0.75rem;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
th {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}
tr:last-child td { border-bottom: 0; }

.mono { font-family: var(--mono); font-size: 0.88rem; }
.muted { color: var(--muted); }
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-on { background: rgba(92, 224, 160, 0.15); color: var(--ok); }
.badge-off { background: rgba(139, 155, 184, 0.15); color: var(--muted); }

.row-actions {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.row-actions .btn { padding: 0.35rem 0.7rem; font-size: 0.82rem; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-grid .full { grid-column: 1 / -1; }

label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--muted);
  font-size: 0.85rem;
}
input[type="text"],
input[type="password"],
select {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg0);
  color: var(--text);
  font: inherit;
  outline: none;
}
input:focus, select:focus {
  border-color: rgba(61, 214, 198, 0.55);
  box-shadow: 0 0 0 3px rgba(61, 214, 198, 0.12);
}
.hint {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.8rem;
}
.checkbox {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 1.55rem;
  color: var(--text);
}
.checkbox input { width: auto; }
.form-actions {
  margin-top: 1.25rem;
  display: flex;
  gap: 0.6rem;
}

.empty {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--muted);
}
.empty strong { color: var(--text); display: block; margin-bottom: 0.4rem; }

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}
.login-card {
  width: min(400px, 100%);
  background: var(--bg1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.75rem;
}
.login-card h1 {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
}
.login-card p {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.entry-url {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  max-width: 280px;
}
.entry-url code {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  background: rgba(255,255,255,0.04);
  padding: 0.2rem 0.45rem;
  border-radius: 6px;
}

.copy-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.8rem;
}
.copy-btn:hover { color: var(--accent); }

@media (max-width: 760px) {
  .form-grid { grid-template-columns: 1fr; }
  table, thead, tbody, th, td, tr { display: block; }
  thead { display: none; }
  tr {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
  }
  td {
    border: 0;
    padding: 0.25rem 0;
  }
  td::before {
    content: attr(data-label);
    display: block;
    color: var(--muted);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.15rem;
  }
}