:root {
  --bg: #1c1d20;
  --panel: #232428;
  --surface: #2b2d32;
  --surface-2: #33353b;
  --line: rgba(255, 255, 255, 0.07);
  --line-2: rgba(255, 255, 255, 0.12);
  --text: #ecebe8;
  --muted: #a3a5ac;
  --faint: #6d7078;
  --accent: #c8f169;
  --accent-ink: #17190f;
  --accent-soft: rgba(200, 241, 105, 0.12);
  --danger: #ff6b5e;
  --ok: #4fd18b;
  --radius: 18px;
  --sans: "Geist", ui-sans-serif, sans-serif;
  --mono: "Geist Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }

body {
  font: 15px/1.5 var(--sans);
  color: var(--text);
  background:
    radial-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 22px 22px,
    var(--bg);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

.glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(600px 400px at 12% -5%, rgba(200, 241, 105, 0.08), transparent 70%),
    radial-gradient(700px 500px at 105% 110%, rgba(106, 168, 255, 0.06), transparent 70%);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }

@keyframes rise { from { opacity: 0; transform: translateY(10px); } }
@keyframes pop { from { opacity: 0; transform: translateY(8px) scale(.98); } }

/* ---------- Layout ---------- */

.app {
  position: relative;
  height: 100dvh;
  max-width: 1280px;
  margin: 0 auto;
  padding: 20px;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 20px;
}

.app > * { min-width: 0; }

/* ---------- Sidebar ---------- */

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 22px 18px;
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  min-height: 0;
  animation: rise .5s cubic-bezier(.2, .7, .2, 1) both;
}

.brand { display: flex; align-items: center; gap: 12px; padding: 0 4px; }

.brand__mark {
  flex: none;
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 11px;
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 6px 20px -6px rgba(200, 241, 105, .5);
}
.brand__mark svg { width: 20px; height: 20px; stroke-width: 2.6; }
.brand__mark--lg { width: 52px; height: 52px; border-radius: 15px; margin-bottom: 20px; }
.brand__mark--lg svg { width: 26px; height: 26px; }

.brand__name { font-weight: 650; letter-spacing: -0.01em; }
.brand__date { font-size: 12px; color: var(--faint); }

.roster { flex: 1; min-height: 0; display: flex; flex-direction: column; }

.roster h2 {
  margin: 0 0 10px;
  padding: 0 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--faint);
  display: flex; align-items: center; justify-content: space-between;
}
.roster h2 span {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  background: var(--surface);
  border-radius: 999px;
  padding: 1px 8px;
  letter-spacing: 0;
}

.roster ul { list-style: none; margin: 0; padding: 0; overflow-y: auto; scrollbar-width: thin; }

.roster li {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 8px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--muted);
  animation: rise .35s both;
}
.roster li:hover { background: var(--surface); color: var(--text); }

.roster li::before {
  content: "";
  flex: none;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--c) 22%, transparent);
}

.roster li.is-me { color: var(--text); }
.roster li.is-me::after {
  content: "you";
  margin-left: auto;
  font-size: 11px;
  color: var(--faint);
}

.nav-btn {
  display: flex; align-items: center; gap: 10px;
  width: 100%;
  padding: 10px 12px;
  font: 500 14px var(--sans);
  color: var(--muted);
  background: transparent;
  border: 1px dashed var(--line-2);
  border-radius: 12px;
  cursor: pointer;
  transition: color .15s, background .15s, border-color .15s;
}
.nav-btn svg { width: 18px; height: 18px; flex: none; }
.nav-btn:hover { color: var(--accent); border-color: rgba(200, 241, 105, .4); background: var(--accent-soft); }
.nav-btn[hidden] { display: none; }

.me {
  display: flex; flex-direction: column; gap: 12px;
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.me[hidden] { display: none; }
.me__row { display: flex; align-items: center; gap: 10px; min-width: 0; }
.me__avatar {
  flex: none;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 11px;
  font-size: 12px; font-weight: 650;
  color: var(--bg);
  background: var(--c, var(--faint));
}
.me__info { display: flex; flex-direction: column; min-width: 0; }
.me__info strong { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.me__role { font-size: 12px; color: var(--faint); }
.me__role.is-admin { color: var(--accent); }
.me__actions { display: flex; gap: 6px; }
.me__actions .ghost { flex: 1; padding: 6px 8px; }

.ghost {
  font: 500 12px var(--sans);
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  padding: 4px 10px;
  cursor: pointer;
  white-space: nowrap;
  transition: color .15s, border-color .15s, background .15s;
}
.ghost:hover:not(:disabled) { color: var(--text); border-color: var(--faint); background: var(--surface-2); }
.ghost--lg { font-size: 14px; padding: 10px 16px; border-radius: 12px; }
.ghost--danger:hover:not(:disabled) { color: var(--danger); border-color: rgba(255, 107, 94, .5); background: rgba(255, 107, 94, .08); }
.is-busy { opacity: .6; cursor: progress !important; }

/* ---------- Panel ---------- */

.panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: color-mix(in srgb, var(--panel) 82%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  overflow: hidden;
  animation: rise .5s .08s cubic-bezier(.2, .7, .2, 1) both;
}

.panel__head {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
}
.panel__head h1 { margin: 0; font-size: 18px; font-weight: 650; letter-spacing: -0.015em; }
.panel__head .hash { color: var(--faint); font-weight: 400; margin-right: 2px; }
.panel__head p { margin: 2px 0 0; font-size: 13px; color: var(--faint); }

.status {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--muted);
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  white-space: nowrap;
}
.status b { font-weight: 500; }
.status i { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); }
.status.is-live i { background: var(--ok); animation: pulse 2.2s infinite; }
.status.is-down i { background: var(--danger); }

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(79, 209, 139, .45); }
  60% { box-shadow: 0 0 0 6px rgba(79, 209, 139, 0); }
}

/* ---------- Notes ---------- */

.page {
  flex: 1;
  position: relative;
  overflow-y: auto;
  padding: 20px 24px 8px;
  scrollbar-width: thin;
  scrollbar-color: var(--surface-2) transparent;
}

.page__empty {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  pointer-events: none;
  color: var(--faint);
  text-align: center;
}
.page__empty[hidden] { display: none; }
.page__empty-icon {
  width: 56px; height: 56px; padding: 15px; margin-bottom: 10px;
  border-radius: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--muted);
}
.page__empty strong { color: var(--text); font-weight: 600; }
.page__empty small { font-size: 13px; }

.notes { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }

.note {
  display: flex;
  gap: 12px;
  max-width: min(640px, 88%);
  align-self: flex-start;
  animation: pop .3s cubic-bezier(.2, .8, .2, 1) both;
}

.note__avatar {
  flex: none;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 11px;
  font-size: 12px; font-weight: 650;
  color: var(--bg);
  background: var(--c);
  margin-top: 2px;
}

.note__content { min-width: 0; display: flex; flex-direction: column; gap: 4px; }

.note__head { display: flex; align-items: baseline; gap: 8px; padding-left: 2px; }
.note__author { font-size: 13px; font-weight: 600; color: var(--c); }
.note__time { font-family: var(--mono); font-size: 11px; color: var(--faint); }

.note__body {
  margin: 0;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px 16px 16px 16px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  transition: background .15s;
}
.note:hover .note__body { background: var(--surface-2); }
.note__body a { color: var(--accent); text-decoration-color: rgba(200, 241, 105, .4); text-underline-offset: 3px; }

.note.is-cont { margin-top: -10px; }
.note.is-cont .note__head { display: none; }
.note.is-cont .note__avatar { visibility: hidden; height: 0; }
.note.is-cont .note__body { border-radius: 16px; }

.note.is-mine { align-self: flex-end; flex-direction: row-reverse; }
.note.is-mine .note__avatar { display: none; }
.note.is-mine .note__content { align-items: flex-end; }
.note.is-mine .note__author { display: none; }
.note.is-mine .note__body {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: transparent;
  border-radius: 16px 4px 16px 16px;
}
.note.is-mine.is-cont .note__body { border-radius: 16px; }
.note.is-mine:hover .note__body { background: #d3f585; }
.note.is-mine .note__body a { color: var(--accent-ink); text-decoration-color: rgba(23, 25, 15, .45); }

.note--system {
  align-self: center;
  max-width: none;
  display: block;
  font-size: 12px;
  color: var(--faint);
  padding: 0 10px;
}
.note--system + .note--system { margin-top: -10px; }

.day {
  display: flex; align-items: center; gap: 14px;
  margin: 10px 0 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--faint);
}
.day::before, .day::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* ---------- Composer ---------- */

.typing {
  min-height: 22px;
  padding: 2px 28px 0;
  font-size: 12px;
  color: var(--muted);
  display: flex; align-items: center; gap: 8px;
}
.typing:not(:empty)::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 10px 0 0 var(--accent), 20px 0 0 var(--accent);
  margin-right: 20px;
  animation: blink 1.2s ease-in-out infinite;
}
@keyframes blink { 50% { opacity: .3; } }

.composer {
  margin: 0 16px 16px;
  display: flex;
  align-items: flex-end;
  gap: 10px;
  padding: 8px 8px 8px 18px;
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: 16px;
  transition: border-color .15s, box-shadow .15s;
}
.composer:focus-within {
  border-color: rgba(200, 241, 105, .55);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.composer textarea {
  flex: 1;
  align-self: center;
  resize: none;
  border: 0; outline: 0;
  background: transparent;
  color: var(--text);
  font: 15px/1.5 var(--sans);
  max-height: 180px;
  padding: 7px 0;
}
.composer textarea::placeholder { color: var(--faint); }

.counter {
  align-self: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--faint);
  opacity: 0;
  transition: opacity .15s;
}
.composer:focus-within .counter { opacity: 1; }
.counter.is-near { color: var(--danger); opacity: 1; }

.send {
  flex: none;
  width: 40px; height: 40px;
  padding: 10px;
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
  transition: transform .15s, background .15s, opacity .15s;
}
.send svg { stroke-width: 2.4; }
.send:hover:not(:disabled) { background: #d3f585; transform: translateX(1px); }
.send:active:not(:disabled) { transform: scale(.94); }
.send:disabled { background: var(--surface-2); color: var(--faint); cursor: not-allowed; }

button:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- Forms ---------- */

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; min-width: 0; }
.field > span { font-size: 12px; font-weight: 500; color: var(--muted); }

.field input, select {
  width: 100%;
  padding: 11px 13px;
  font: 15px var(--sans);
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  transition: border-color .15s, box-shadow .15s;
}
.field input::placeholder { color: var(--faint); }
.field input:focus-visible, select:focus-visible {
  outline: 0;
  border-color: rgba(200, 241, 105, .55);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

select {
  appearance: none;
  padding-right: 34px;
  cursor: pointer;
  background-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a3a5ac' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'><path d='M6 9l6 6 6-6'/></svg>");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
}
select option { background: var(--surface); color: var(--text); }

.form-error { min-height: 18px; margin: 0 0 10px; font-size: 13px; color: var(--danger); }
.form-error:empty { min-height: 0; margin: 0; }

.notice {
  margin: -8px 0 18px;
  padding: 10px 12px;
  font-size: 13px;
  color: var(--text);
  background: rgba(255, 194, 75, .08);
  border: 1px solid rgba(255, 194, 75, .3);
  border-radius: 10px;
}
.notice[hidden] { display: none; }

.primary {
  width: 100%;
  padding: 12px;
  font: 600 15px var(--sans);
  color: var(--accent-ink);
  background: var(--accent);
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, transform .1s;
}
.primary:hover:not(:disabled) { background: #d3f585; }
.primary:active:not(:disabled) { transform: scale(.98); }
.primary--inline { width: auto; padding: 11px 18px; }

/* ---------- Sign in ---------- */

.join {
  position: fixed; inset: 0; z-index: 40;
  display: grid; place-items: center;
  background: rgba(14, 15, 17, .7);
  backdrop-filter: blur(10px);
  transition: opacity .3s ease, visibility .3s;
}
.join.is-hidden { opacity: 0; visibility: hidden; }

.join__card {
  width: min(400px, 92vw);
  padding: 32px;
  background: var(--panel);
  border: 1px solid var(--line-2);
  border-radius: 22px;
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .6);
  animation: pop .45s .1s cubic-bezier(.2, .8, .2, 1) both;
}
.join h2 { margin: 0; font-size: 24px; font-weight: 650; letter-spacing: -0.02em; }
.join__sub { margin: 6px 0 22px; color: var(--muted); font-size: 14px; }
.join .primary { margin-top: 4px; }

/* ---------- Modals ---------- */

.modal {
  width: min(440px, calc(100vw - 24px));
  max-height: calc(100dvh - 40px);
  padding: 0;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line-2);
  border-radius: 22px;
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .7);
  overflow: auto;
}
.modal[open] { animation: pop .3s cubic-bezier(.2, .8, .2, 1) both; }
.modal::backdrop { background: rgba(14, 15, 17, .7); backdrop-filter: blur(8px); }
.modal--wide { width: min(820px, calc(100vw - 24px)); }

.modal__body { padding: 28px; }
.modal h2 { margin: 0; font-size: 22px; font-weight: 650; letter-spacing: -0.02em; display: flex; align-items: center; gap: 10px; }
.modal__sub { margin: 6px 0 22px; color: var(--muted); font-size: 14px; }
.modal__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.modal__actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 8px; }

.pill {
  font: 500 12px var(--mono);
  color: var(--muted);
  background: var(--surface);
  border-radius: 999px;
  padding: 2px 9px;
}
.pill:empty { display: none; }

.icon-btn {
  flex: none;
  width: 36px; height: 36px;
  padding: 9px;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line-2);
  border-radius: 10px;
  cursor: pointer;
  transition: color .15s, background .15s;
}
.icon-btn:hover { color: var(--text); background: var(--surface-2); }

/* ---------- User management ---------- */

.create {
  display: grid;
  grid-template-columns: 1.2fr 1.2fr 130px auto;
  gap: 10px;
  align-items: end;
  padding: 16px;
  background: color-mix(in srgb, var(--surface) 55%, transparent);
  border: 1px solid var(--line);
  border-radius: 16px;
  margin-bottom: 12px;
}
.create .field { margin: 0; }
.create .primary { height: 45px; }

.credential {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 14px 16px;
  margin-bottom: 14px;
  background: var(--accent-soft);
  border: 1px solid rgba(200, 241, 105, .35);
  border-radius: 14px;
  animation: pop .3s both;
}
.credential[hidden] { display: none; }
.credential__text { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.credential__label { font-size: 13px; font-weight: 600; color: var(--accent); }
.credential code {
  font: 13px/1.6 var(--mono);
  color: var(--text);
  white-space: pre;
  overflow-x: auto;
  user-select: all;
}

.user-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }

.user-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  animation: rise .3s both;
}
.user-row.is-disabled .note__avatar,
.user-row.is-disabled .user-row__info { opacity: .55; }
.user-row .note__avatar { margin: 0; }
.user-row__info { flex: 1; min-width: 0; }
.user-row__name { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.user-row__name strong { font-weight: 600; margin-right: 2px; }
.user-row__meta { font-size: 12px; color: var(--faint); margin-top: 2px; }
.user-row__actions { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.user-row__actions select { width: auto; padding: 4px 30px 4px 10px; font-size: 12px; border-radius: 8px; background-position: right 8px center; background-size: 14px; }
.user-row__actions .ghost { padding: 5px 10px; }

.badge {
  font-size: 11px; font-weight: 500;
  padding: 1px 8px;
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface-2);
}
.badge--admin { color: var(--accent); background: var(--accent-soft); }
.badge--self { color: var(--bg); background: var(--muted); }
.badge--warn { color: #ffc24b; background: rgba(255, 194, 75, .12); }
.badge--off { color: var(--danger); background: rgba(255, 107, 94, .12); }

kbd {
  font: 500 11px var(--mono);
  color: var(--muted);
  padding: 1px 6px;
  border: 1px solid var(--line-2);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--surface);
}

/* ---------- Toast ---------- */

.toast {
  position: fixed;
  left: 50%; bottom: 100px;
  transform: translate(-50%, 12px);
  padding: 10px 16px;
  font-size: 13px;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, .6);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, transform .2s;
  z-index: 60;
}
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Responsive ---------- */

@media (max-width: 760px) {
  .app { grid-template-columns: 1fr; grid-template-rows: auto 1fr; padding: 10px; gap: 10px; }
  .sidebar { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 10px 12px; padding: 10px 12px; }
  .roster { order: 3; flex: 1 1 100% !important; }
  .brand__name, .brand__date, .roster h2, .me__row { display: none; }
  .me { padding: 0; background: none; border: 0; margin-left: auto; flex: none; }
  .me__actions .ghost { padding: 6px 9px; }
  .nav-btn { width: auto; flex: none; padding: 7px; border-style: solid; }
  .nav-btn span { display: none; }
  .modal__body { padding: 20px; }
  .create { grid-template-columns: 1fr 1fr; }
  .user-row { flex-wrap: wrap; }
  .user-row__actions { width: 100%; justify-content: flex-start; padding-left: 46px; }
  .brand__mark { width: 34px; height: 34px; }
  .roster { flex: 1; min-width: 0; flex-direction: row; overflow: hidden; }
  .roster ul { display: flex; gap: 4px; overflow-x: auto; }
  .roster li { white-space: nowrap; padding: 5px 8px; background: var(--surface); }
  .roster li.is-me::after { display: none; }
  .panel__head { padding: 14px 16px; }
  .panel__head p { display: none; }
  .page { padding: 16px 14px 8px; }
  .note { max-width: 94%; }
  .composer { margin: 0 10px 10px; }
  .typing { padding: 2px 18px 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}