:root {
  --bg: #0c1117;
  --bg-elev: #131a22;
  --bg-soft: #1a2330;
  --line: rgba(232, 236, 241, 0.08);
  --text: #e8ecf1;
  --muted: #8b97a8;
  --accent: #3dd6c6;
  --accent-2: #f0b429;
  --danger: #f07178;
  --ok: #7fd99a;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --radius: 18px;
  --font: "DM Sans", system-ui, sans-serif;
  --display: "Instrument Serif", Georgia, serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 500px at 12% -10%, rgba(61, 214, 198, 0.12), transparent 55%),
    radial-gradient(700px 420px at 90% 0%, rgba(240, 180, 41, 0.08), transparent 50%),
    linear-gradient(180deg, #0e141c 0%, var(--bg) 40%);
  z-index: -2;
}
.bg-grid::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 20%, #000 0%, transparent 70%);
  opacity: 0.35;
  z-index: -1;
}

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

.shell {
  width: min(960px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 3rem;
}
.shell--narrow { width: min(420px, calc(100% - 2rem)); padding-top: 12vh; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(12, 17, 23, 0.72);
  border-bottom: 1px solid var(--line);
}
.topbar__inner {
  width: min(960px, calc(100% - 2rem));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.brand { display: flex; gap: 0.85rem; align-items: center; }
.brand__mark {
  width: 42px; height: 42px;
  border-radius: 14px;
  display: grid; place-items: center;
  color: #06221f;
  background: linear-gradient(145deg, var(--accent), #2aa89c);
  box-shadow: 0 8px 24px rgba(61, 214, 198, 0.25);
}
.brand--compact .brand__mark { width: 34px; height: 34px; border-radius: 11px; }
.brand__name {
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  margin: 0;
}
.brand--compact .brand__name { font-size: 1.15rem; }
.brand__tag { margin: 0; color: var(--muted); font-size: 0.85rem; }

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin: 1.25rem 0 1rem;
}
.page-title {
  font-family: var(--display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 400;
  margin: 0 0 0.25rem;
}
.page-sub { margin: 0; color: var(--muted); }

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), transparent 40%), var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}
.card--login { padding: 1.6rem; }

.stack { display: grid; gap: 0.9rem; }
.field { display: grid; gap: 0.4rem; }
.field__label { font-size: 0.8rem; color: var(--muted); letter-spacing: 0.02em; }
.field__input {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 12px;
  padding: 0.85rem 0.95rem;
  font: inherit;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.field__input:focus {
  border-color: rgba(61, 214, 198, 0.55);
  box-shadow: 0 0 0 3px rgba(61, 214, 198, 0.12);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border: 0;
  border-radius: 999px;
  padding: 0.75rem 1.15rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform .15s ease, background .2s, opacity .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--primary {
  color: #06221f;
  background: linear-gradient(145deg, var(--accent), #2bb5a6);
}
.btn--ghost {
  color: var(--text);
  background: transparent;
  border: 1px solid var(--line);
}
.btn--sm { padding: 0.5rem 0.85rem; font-size: 0.9rem; }
.btn__icon { flex: 0 0 auto; }

.icon-btn {
  width: 36px; height: 36px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  display: grid; place-items: center;
  cursor: pointer;
}
.icon-btn:hover { border-color: rgba(61, 214, 198, 0.4); }
.icon-btn--danger:hover { color: var(--danger); border-color: rgba(240, 113, 120, 0.45); }

.alert {
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
  margin: 0 0 1rem;
}
.alert--error {
  background: rgba(240, 113, 120, 0.12);
  border: 1px solid rgba(240, 113, 120, 0.35);
  color: #ffc4c7;
}

.hint { margin: 0; color: var(--muted); font-size: 0.86rem; }

.empty {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--muted);
  display: grid;
  gap: 0.75rem;
  justify-items: center;
}

.tenant-list, .post-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.65rem; }
.tenant-row, .post-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0.95rem;
  border-radius: 14px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--line);
  animation: rise .35s ease both;
}
.tenant-row__main { display: flex; gap: 0.8rem; align-items: center; min-width: 0; }
.tenant-row__avatar {
  width: 40px; height: 40px; border-radius: 12px;
  display: grid; place-items: center;
  font-weight: 700;
  background: linear-gradient(145deg, #243041, #1a2330);
  color: var(--accent);
}
.tenant-row__name { font-weight: 600; }
.tenant-row__meta { color: var(--muted); font-size: 0.82rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 52vw; }
.tenant-row__side { display: flex; align-items: center; gap: 0.55rem; }

.pill {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}
.pill--ok { color: var(--ok); border-color: rgba(127, 217, 154, 0.35); background: rgba(127, 217, 154, 0.08); }
.pill--bad { color: var(--danger); border-color: rgba(240, 113, 120, 0.35); background: rgba(240, 113, 120, 0.08); }

.menu { position: relative; }
.menu__panel {
  position: absolute;
  right: 0; top: calc(100% + 6px);
  min-width: 180px;
  background: #161e28;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 0.35rem;
  z-index: 30;
  animation: pop .18s ease;
}
.menu__panel button, .menu__panel form button {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  border: 0;
  background: transparent;
  color: var(--text);
  padding: 0.65rem 0.7rem;
  border-radius: 10px;
  font: inherit;
  cursor: pointer;
  text-align: left;
}
.menu__panel button:hover, .menu__panel form button:hover { background: rgba(255,255,255,0.05); }
.menu__panel .danger { color: var(--danger); }

.post-row__title { font-weight: 600; }
.post-row__link {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  max-width: min(520px, 60vw);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.modal {
  border: 0;
  padding: 0;
  background: transparent;
  max-width: calc(100% - 1.5rem);
}
.modal::backdrop { background: rgba(4, 8, 12, 0.72); backdrop-filter: blur(6px); }
.modal__card {
  width: min(440px, 100%);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
  animation: pop .2s ease;
}
.modal__head, .modal__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 1.1rem;
}
.modal__head { border-bottom: 1px solid var(--line); }
.modal__head h2 { margin: 0; font-size: 1.15rem; }
.modal__body { padding: 1.1rem; }
.modal__foot { border-top: 1px solid var(--line); justify-content: flex-end; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.4rem;
  transform: translateX(-50%);
  background: #182230;
  border: 1px solid rgba(61, 214, 198, 0.35);
  color: var(--text);
  padding: 0.75rem 1rem;
  border-radius: 999px;
  box-shadow: var(--shadow);
  z-index: 50;
  animation: rise .25s ease;
}

.reveal { animation: rise .45s ease both; }

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}
@keyframes pop {
  from { opacity: 0; transform: translateY(6px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 640px) {
  .page-head { flex-direction: column; align-items: stretch; }
  .tenant-row { flex-direction: column; align-items: stretch; }
  .tenant-row__side { justify-content: space-between; }
  .tenant-row__meta { max-width: 100%; white-space: normal; }
}