:root {
  --bg: #0f1115;
  --card: #171a20;
  --text: #e6e8ec;
  --muted: #8b909a;
  --accent: #4f8cff;
  --in: #38c172;
  --out: #545a66;
  --error: #ff6b6b;
  --border: #2b303a;
  --pad: 14px; /* every block-level gap; 6px is the only tighter step */
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

.card {
  width: min(400px, 94vw);
  background: var(--card);
  border: 1px solid var(--border);
  padding: var(--pad);
}

.hidden {
  display: none;
}

h1 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}

.muted {
  color: var(--muted);
}

form {
  display: grid;
  gap: 6px;
  margin-top: var(--pad);
}

form .row {
  margin-top: 8px; /* 6px gap + 8px = one --pad step off the fields */
}

input {
  padding: 6px 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font: inherit;
}

input:focus {
  outline: none;
  border-color: var(--muted);
}

.row {
  display: flex;
  gap: 6px;
}

button {
  cursor: pointer;
  border: 1px solid var(--accent);
  padding: 6px 12px;
  font: inherit;
  color: white;
  background: var(--accent);
  flex: 1;
}

button.secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

button.secondary:hover {
  border-color: var(--muted);
}

button.link {
  background: none;
  border: none;
  color: var(--muted);
  padding: 0;
  text-decoration: underline;
  flex: none;
}

button:disabled {
  opacity: 0.45;
  cursor: default;
}

.error {
  color: var(--error);
  margin: 0;
  font-size: 12px;
}

.error:empty {
  display: none;
}

.room-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--pad);
  padding-bottom: var(--pad);
  margin-bottom: var(--pad);
  border-bottom: 1px solid var(--border);
}

.clock {
  width: 100%;
  padding: 7px;
  margin-bottom: var(--pad);
}

.clock[data-status="in"] {
  background: transparent;
  border-color: #6b2b34;
  color: var(--error);
}

.clock[data-status="in"]:hover {
  background: #2a1418;
  border-color: var(--error);
}

.users {
  list-style: none;
  margin: 0;
  padding: 0;
}

.users li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
}

.users li + li {
  border-top: 1px solid var(--border);
}

.users li.me .uname {
  color: var(--accent);
}

.avatar {
  position: relative;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  flex: none;
  background: #22262e;
  color: var(--muted);
  font-size: 12px;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.dot {
  width: 7px;
  height: 7px;
  background: var(--out);
  flex: none;
}

.dot.in {
  background: var(--in);
}

.avatar .dot {
  position: absolute;
  right: 0;
  bottom: 0;
  outline: 1px solid var(--card);
}

.uname {
  font-weight: 500;
}

.tag {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0 3px;
  color: var(--accent);
  border: 1px solid #2c3a5a;
}

.total {
  margin-left: auto;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

.since {
  font-size: 12px;
  color: var(--muted);
  opacity: 0.7;
}

.menu {
  position: relative;
  flex: none;
}

.menu .dots {
  background: none;
  border: none;
  color: var(--muted);
  padding: 0 2px;
  line-height: 1;
  flex: none;
}

.menu .dots:hover {
  color: var(--text);
}

.menu-items {
  position: absolute;
  right: 0;
  top: 100%;
  z-index: 10;
  min-width: 130px;
  background: #1d2129;
  border: 1px solid var(--border);
}

.menu-items button {
  display: block;
  width: 100%;
  padding: 5px 8px;
  font-size: 13px;
  text-align: left;
  background: none;
  border: none;
  color: var(--text);
}

.menu-items button.danger {
  color: var(--error);
}

.menu-items button:hover {
  background: #262b34;
}

dialog {
  width: min(280px, 94vw);
  padding: var(--pad);
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
}

dialog::backdrop {
  background: rgb(0 0 0 / 0.6);
}

dialog h2 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

dialog .row {
  justify-content: flex-end;
}

dialog .row button {
  flex: none;
}

.avatar-preview {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  background: var(--bg);
  border: 1px solid var(--border);
  overflow: hidden;
  font-size: 11px;
}

.avatar-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

input[type="file"] {
  padding: 4px;
  font-size: 12px;
}

input[type="file"]::file-selector-button {
  margin-right: 8px;
  padding: 3px 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

#avatar-save.saving,
#avatar-save.saved {
  color: transparent;
  position: relative;
}

#avatar-save.saving::after {
  content: "";
  position: absolute;
  inset: calc(50% - 6px) auto auto calc(50% - 6px);
  width: 12px;
  height: 12px;
  border: 1px solid rgb(255 255 255 / 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

#avatar-save.saved {
  background: var(--in);
  border-color: var(--in);
}

#avatar-save.saved::after {
  content: "✓";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: white;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}