:root {
  --bg: #eef3ef;
  --panel: #ffffff;
  --text: #162017;
  --muted: #66726a;
  --line: #dce5df;
  --green: #1e8f4e;
  --red: #b93838;
  --yellow: #b7791f;
  --shadow: 0 12px 40px rgba(22, 32, 23, .08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, #f8fff9 0, var(--bg) 36rem);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem clamp(1rem, 3vw, 2rem);
}

h1, h2, h3 { margin: 0; }
.topbar h1 { font-size: clamp(1.8rem, 4vw, 3rem); letter-spacing: -0.04em; }
.topbar p { margin: .35rem 0 0; color: var(--muted); }
.top-actions { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }

button, input, select {
  font: inherit;
}
button {
  border: 1px solid var(--line);
  border-radius: .8rem;
  background: #fff;
  color: var(--text);
  padding: .65rem .9rem;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,.04);
}
button.primary { background: var(--green); color: white; border-color: var(--green); }
button.danger { color: var(--red); }
button.full { width: 100%; }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 1rem;
  padding: 0 clamp(1rem, 3vw, 2rem) 1rem;
}

.panel {
  background: rgba(255,255,255,.82);
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 1.2rem;
  box-shadow: var(--shadow);
  padding: 1rem;
  backdrop-filter: blur(8px);
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1rem;
}
.panel-head span { color: var(--muted); font-size: .92rem; }

.targets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: .8rem;
}
.target-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: .45rem solid #9aa6a0;
  border-radius: 1rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: .85rem;
}
.target-card.state-online { border-left-color: var(--green); }
.target-card.state-offline { border-left-color: var(--red); }
.target-card.state-pending { border-left-color: var(--yellow); }
.target-card.disabled { opacity: .56; }
.target-main {
  display: flex;
  justify-content: space-between;
  gap: .8rem;
}
.target-main h3 { font-size: 1.08rem; }
.target-host { color: var(--muted); margin-top: .2rem; word-break: break-word; }
.badge {
  display: inline-flex;
  align-items: center;
  height: fit-content;
  white-space: nowrap;
  border-radius: 999px;
  padding: .3rem .55rem;
  font-size: .78rem;
  background: #f2f6f3;
  color: var(--muted);
}
.state-online .badge { background: #e8f7ee; color: var(--green); }
.state-offline .badge { background: #fdeaea; color: var(--red); }
.state-pending .badge { background: #fff5df; color: var(--yellow); }

.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .6rem;
}
.meta-grid div {
  background: #f8faf8;
  border: 1px solid #edf2ef;
  border-radius: .75rem;
  padding: .55rem;
}
.meta-grid span { display: block; color: var(--muted); font-size: .75rem; }
.meta-grid strong { font-size: .9rem; }
.notice, .error-text {
  border-radius: .75rem;
  padding: .65rem;
  font-size: .92rem;
}
.notice.warning { background: #fff8e6; color: #7a4f07; }
.error-text { background: #fff1f1; color: #8e2929; word-break: break-word; }
.card-actions { display: flex; flex-wrap: wrap; gap: .45rem; }
.card-actions form { margin: 0; }

.target-form {
  display: grid;
  gap: .75rem;
  margin: .85rem 0 1.5rem;
}
.target-form label {
  display: grid;
  gap: .25rem;
  color: var(--muted);
  font-size: .88rem;
}
input, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: .75rem;
  padding: .75rem .8rem;
  background: white;
  color: var(--text);
}
.split { display: grid; grid-template-columns: 1fr 1fr; gap: .65rem; }

.events {
  display: grid;
  gap: .5rem;
  max-height: 38rem;
  overflow: auto;
  padding-right: .25rem;
}
.event {
  display: grid;
  gap: .15rem;
  border: 1px solid var(--line);
  border-radius: .75rem;
  padding: .65rem;
  background: white;
}
.event strong { font-size: .78rem; color: var(--muted); }
.event-offline { border-left: .35rem solid var(--red); }
.event-online { border-left: .35rem solid var(--green); }
.event-pending_offline { border-left: .35rem solid var(--yellow); }
.empty {
  padding: 1.5rem;
  border: 1px dashed var(--line);
  border-radius: 1rem;
  color: var(--muted);
  text-align: center;
}
.empty.small { padding: .8rem; font-size: .9rem; }
footer { color: var(--muted); text-align: center; padding: 1rem; }

@media (max-width: 900px) {
  .topbar { align-items: flex-start; flex-direction: column; }
  .layout { grid-template-columns: 1fr; }
  .targets-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .topbar, .layout { padding-left: .65rem; padding-right: .65rem; }
  .panel { padding: .75rem; border-radius: 1rem; }
  .target-card { padding: .85rem; }
  .meta-grid, .split { grid-template-columns: 1fr; }
  .target-main { flex-direction: column; }
  .badge { width: fit-content; }
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: .8rem;
  background: #fff;
  color: var(--text);
  padding: .65rem .9rem;
  text-decoration: none;
  box-shadow: 0 2px 6px rgba(0,0,0,.04);
}
.mode-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: .42rem .7rem;
  font-size: .86rem;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.82);
  color: var(--muted);
}
.mode-pill.admin { color: var(--green); border-color: #bfe5ce; background: #edf9f1; }
.mode-pill.guest { color: #5a6470; }
.notice.info { background: #eef6ff; color: #26547a; }