/* ───────────────────────────────────────────────────────────
   Sidebar content — Sample / Live / Server modes.
   File-pickers, event lists, polling indicators.
   ─────────────────────────────────────────────────────────── */

/* ── Live section ──────────────────────────────────────── */
#live-sec {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

#live-sub-bar {
  display: flex;
  gap: 4px;
  padding: 8px 12px 6px;
  flex-shrink: 0;
}
.sbtn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 5px 6px;
  border-radius: var(--r-sm);
  color: var(--muted);
  font: 600 9.5px/1 var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition:
    color var(--motion-fast),
    background var(--motion-fast);
}
.sbtn .ti {
  font-size: 11px;
}
.sbtn:hover {
  color: var(--text);
  background: var(--surface-hover);
}
.sbtn.on {
  color: var(--accent-text);
  background: var(--accent-soft);
}

.live-sub {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}
.live-sub[hidden] {
  display: none !important;
}

#live-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: var(--fs-xs);
  color: var(--muted);
  border-bottom: 1px solid var(--divider);
  flex-shrink: 0;
  transition:
    background var(--motion-base),
    border-bottom-color var(--motion-base);
}
#live-bar.paused {
  background: rgba(220, 70, 70, 0.05);
  border-bottom-color: var(--err);
}
.ldot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
  flex-shrink: 0;
  transition: background var(--motion-base);
}
.ldot.ok {
  background: var(--ok);
  box-shadow: 0 0 8px rgba(78, 186, 125, 0.5);
}
.ldot.err {
  background: var(--err);
}
.ldot.dl {
  background: var(--warn);
}
.ldot.stopped {
  background: var(--err);
  box-shadow: 0 0 8px rgba(220, 70, 70, 0.45);
}
.ldot.pulse {
  animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.25;
  }
}
#live-txt {
  flex: 1;
  font: 500 var(--fs-sm) var(--font);
  letter-spacing: 0.02em;
  color: var(--text);
}
#live-ctrl {
  display: flex;
  gap: 4px;
}
.ctrl-btn {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  color: var(--muted);
  transition:
    color var(--motion-fast),
    background var(--motion-fast);
}
.ctrl-btn .ic {
  width: 9px;
  height: 9px;
}
.ctrl-btn:hover {
  color: var(--bright);
  background: var(--surface-hover);
}
/* The play/stop toggle relies on the `hidden` attribute, but the UA
   `[hidden] { display: none }` rule loses the specificity tie to
   `.ctrl-btn { display: inline-flex }` above — so without this both
   buttons would always show. Re-assert hidden with class+attr specificity. */
.ctrl-btn[hidden] {
  display: none;
}

/* ── Event list (live + server) ─────────────────────────── */
#evt-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 8px 10px;
  min-height: 0;
}

.erow {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: var(--r);
  cursor: pointer;
  border: 1px solid transparent;
  background: transparent;
  transition:
    background var(--motion-fast),
    border-color var(--motion-fast);
}
@media (hover: hover) {
  .erow:hover:not(.cur) {
    background: var(--surface-hover);
  }
}
.erow.cur {
  background: var(--accent-soft);
  border-color: var(--accent-edge);
}
.erow + .erow {
  margin-top: 2px;
}

.einfo {
  flex: 1;
  min-width: 0;
}
.ename {
  font: 500 var(--fs-sm) var(--mono);
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0.01em;
}
.erow.cur .ename {
  color: var(--bright);
}
.etime {
  font: 400 var(--fs-xs) var(--font);
  color: var(--muted);
  margin-top: 2px;
}

.edl {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  color: var(--muted);
  flex-shrink: 0;
  transition:
    color var(--motion-fast),
    background var(--motion-fast);
}
.edl:hover {
  color: var(--accent-text);
  background: var(--surface-hover);
}

/* Date separators inside the event list */
.date-sep {
  display: block;
  font: 600 9.5px/1 var(--font);
  letter-spacing: 0.14em;
  color: var(--dim);
  padding: 14px 10px 6px;
  text-transform: uppercase;
  user-select: none;
  pointer-events: none;
}
.date-sep:first-child {
  padding-top: 4px;
}

/* ── Sample section ─────────────────────────────────────── */
#sample-sec {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}
#sample-top {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  flex-shrink: 0;
}
#sample-top .file-pick-btn {
  flex: 1;
}
.sm-icon-btn {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r);
  color: var(--muted);
  background: var(--surface-1);
  border: 1px solid var(--border);
  transition:
    color var(--motion-fast),
    background var(--motion-fast),
    border-color var(--motion-fast);
}
.sm-icon-btn .ti {
  font-size: 13px;
}
.sm-icon-btn:hover {
  color: var(--err);
  background: rgba(227, 119, 106, 0.08);
  border-color: rgba(227, 119, 106, 0.32);
}
.sm-icon-btn[hidden] {
  display: none;
}

#sample-list-msg {
  font: 400 var(--fs-xs) var(--font);
  color: var(--muted);
  padding: 8px 12px;
  text-align: center;
}
#sample-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 8px 10px;
  min-height: 0;
}
.sample-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: var(--r);
  cursor: pointer;
  border: 1px solid transparent;
  background: transparent;
  width: 100%;
  text-align: left;
  transition:
    background var(--motion-fast),
    border-color var(--motion-fast);
}
@media (hover: hover) {
  .sample-item:hover:not(.cur) {
    background: var(--surface-hover);
  }
}
.sample-item.cur {
  background: var(--accent-soft);
  border-color: var(--accent-edge);
}
.sample-item + .sample-item {
  margin-top: 2px;
}
.sample-item-icon {
  flex-shrink: 0;
  color: var(--muted);
  opacity: 0.8;
}
.sample-item-info {
  flex: 1;
  min-width: 0;
}
.sample-item-name {
  font: 500 var(--fs-sm) var(--mono);
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sample-item.cur .sample-item-name {
  color: var(--bright);
}
.sample-item-sub {
  font: 400 var(--fs-xs) var(--font);
  color: var(--muted);
  margin-top: 2px;
}
.sample-item-x {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  color: var(--muted);
  background: transparent;
  flex-shrink: 0;
  opacity: 0;
  transition:
    color var(--motion-fast),
    background var(--motion-fast),
    opacity var(--motion-fast);
}
.sample-item:hover .sample-item-x,
.sample-item.cur .sample-item-x {
  opacity: 0.8;
}
.sample-item-x:hover {
  color: var(--err);
  background: rgba(227, 119, 106, 0.1);
  opacity: 1;
}

/* Drag-over states */
#sample-sec.dragover,
#live-server-sec.dragover {
  outline: 1.5px dashed var(--accent-edge);
  outline-offset: -8px;
  background: var(--accent-soft);
}

/* ── File-pick button (shared) ──────────────────────────── */
.file-pick-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  width: 100%;
  padding: 9px 12px;

  background: var(--accent-soft);
  border: 1px solid var(--accent-edge);
  border-radius: var(--r);
  color: var(--accent-text);

  font: 500 var(--fs-sm) var(--font);
  letter-spacing: 0.05em;
  user-select: none;
  transition:
    background var(--motion-fast),
    border-color var(--motion-fast),
    color var(--motion-fast);
}
.file-pick-btn:hover {
  background: rgba(99, 152, 255, 0.16);
  color: var(--bright);
  border-color: var(--accent);
}
.file-pick-btn.sm {
  padding: 7px 10px;
  font-size: 11px;
  letter-spacing: 0.04em;
}
.file-pick-btn .ic,
.file-pick-btn .ti {
  font-size: 13px;
  width: 13px;
  height: 13px;
}
input[type='file'] {
  display: none;
}

/* ── Server sub-section ─────────────────────────────────── */
#live-server-sec {
  padding: 8px 12px 10px;
  gap: 8px;
}
#server-top {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
#server-top .file-pick-btn {
  flex: 1;
}

.server-refresh-btn {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r);
  color: var(--accent-text);
  background: var(--surface-1);
  border: 1px solid var(--border);
  position: relative;
  transition:
    color var(--motion-fast),
    background var(--motion-fast),
    border-color var(--motion-fast);
}
.server-refresh-btn[hidden] {
  display: none;
}
.server-refresh-btn .refresh-ic {
  font-size: 13px;
}
.server-refresh-btn .refresh-ic,
.server-refresh-btn .pause-ic,
.server-refresh-btn .play-ic {
  display: none;
}
.server-refresh-btn.state-active .refresh-ic {
  display: inline-block;
}
.server-refresh-btn.state-paused .play-ic {
  display: inline-block;
  color: var(--muted);
}
.server-refresh-btn.state-active.spin .refresh-ic {
  animation: server-spin 0.9s cubic-bezier(0.4, 0, 0.2, 1);
}
@media (hover: hover) {
  .server-refresh-btn.state-active:hover .refresh-ic {
    display: none;
  }
  .server-refresh-btn.state-active:hover .pause-ic {
    display: inline-block;
  }
  .server-refresh-btn:hover {
    color: var(--bright);
    border-color: var(--border-strong);
  }
}
@keyframes server-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

#server-empty {
  font: 400 var(--fs-xs) var(--font);
  color: var(--muted);
  padding: 16px 10px;
  text-align: center;
  line-height: 1.6;
  flex-shrink: 0;
}
#server-list {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 4px;
  background: rgba(0, 0, 0, 0.18);
}

.srow {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 8px;
  border-radius: var(--r-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition:
    background var(--motion-fast),
    border-color var(--motion-fast);
}
@media (hover: hover) {
  .srow:hover:not(.cur) {
    background: var(--surface-hover);
  }
}
.srow.cur {
  background: var(--accent-soft);
  border-color: var(--accent-edge);
}
.srow + .srow {
  margin-top: 1px;
}
.srow-info {
  flex: 1;
  min-width: 0;
}
.srow-name {
  font: 500 var(--fs-sm) var(--mono);
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.srow.cur .srow-name {
  color: var(--bright);
}
.srow-time {
  font: 400 var(--fs-xs) var(--font);
  color: var(--muted);
  margin-top: 2px;
}
.srow-dl {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  color: var(--muted);
  flex-shrink: 0;
  transition:
    color var(--motion-fast),
    background var(--motion-fast);
}
.srow-dl:hover {
  color: var(--accent-text);
  background: var(--surface-hover);
}

/* Remote-mode bar (shown when /api/xml/* is reachable) */
.server-remote-bar {
  flex: 1;
  min-width: 0;
  display: flex;
}
.server-remote-bar[hidden] {
  display: none;
}
.server-folder-btn {
  flex: 1;
  min-width: 0;
  justify-content: flex-start;
  gap: 6px;
}
.server-folder-cur-text {
  flex: 1;
  min-width: 0;
  text-align: left;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
  text-transform: none;
}
.server-folder-edit-ic {
  font-size: 11px;
  color: var(--muted);
  flex-shrink: 0;
}
.server-folder-btn:hover .server-folder-edit-ic {
  color: var(--bright);
}
.server-folder-edit {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  padding: 4px 0;
}
.server-folder-edit[hidden] {
  display: none;
}
.server-folder-input {
  flex: 1;
  min-width: 0;
  padding: 6px 9px;
  background: rgba(0, 0, 0, 0.32);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font: 400 11px var(--mono);
  letter-spacing: 0;
}
.server-folder-input:focus {
  border-color: var(--accent);
  background: rgba(0, 0, 0, 0.42);
}
.server-folder-act {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border);
  transition:
    color var(--motion-fast),
    border-color var(--motion-fast);
}
.server-folder-act:hover {
  color: var(--bright);
  border-color: var(--border-strong);
}
.server-folder-error {
  font: 400 10.5px var(--font);
  padding: 4px 2px;
  flex-shrink: 0;
}
.server-folder-error[hidden] {
  display: none;
}
.server-api-hint {
  font: 400 var(--fs-xs) var(--font);
  color: var(--muted);
  padding: 12px 10px;
  margin-top: 2px;
  text-align: center;
  line-height: 1.6;
  border-top: 1px solid var(--border);
  opacity: 0.9;
  flex-shrink: 0;
}
.server-api-hint[hidden] {
  display: none;
}

/* ── Empty state for live mode ──────────────────────────── */
#live-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 26px 18px;
  pointer-events: none;
}
.empty-illus {
  width: 96px;
  height: auto;
  opacity: 0.22;
  filter: saturate(0.2) brightness(1.5);
}
.empty-msg {
  font: 400 var(--fs-sm) var(--font);
  color: var(--muted);
  text-align: center;
  line-height: 1.6;
  max-width: 200px;
}