/* Shell layout — topbar, leftrail, statusbar, app body */

.app-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100%;
  background: var(--bg-0);
  color: var(--fg-0);
  overflow: hidden;
}
.app-body {
  flex: 1;
  display: flex;
  min-height: 0;
}
.app-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-0);
  overflow: hidden;
}

/* === TOP BAR === */
.topbar {
  flex: 0 0 auto;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-1);
  border-bottom: 1px solid var(--line-1);
  padding: 0 var(--pad-3);
  gap: var(--pad-4);
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--pad-4);
  flex: 1;
  min-width: 0;
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--pad-3);
  min-width: 0;
  flex-shrink: 1;
}
.brand {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  flex: 0 0 auto;
}
.brand-name {
  font-family: var(--font-data);
  font-size: var(--t-lg);
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--fg-0);
}
.brand-tag {
  font-family: var(--font-data);
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--fg-2);
  padding: 2px 4px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-1);
}
.topbar-cmd {
  flex: 1;
  max-width: 360px;
  min-width: 180px;
  height: 26px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 8px;
  background: var(--bg-2);
  border: 1px solid var(--line-1);
  border-radius: var(--r-2);
  color: var(--fg-2);
}
.topbar-cmd:focus-within { border-color: var(--line-3); background: var(--bg-3); }
.topbar-cmd-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: var(--t-md);
  color: var(--fg-0);
}
.topbar-cmd-input::placeholder { color: var(--fg-2); }
.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--pad-2);
}
.iconbtn {
  position: relative;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-1);
  border-radius: var(--r-2);
  border: 1px solid transparent;
}
.iconbtn:hover { background: var(--bg-3); color: var(--fg-0); }
.iconbtn-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
}
.presence {
  display: flex;
  align-items: center;
}
.presence-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-data);
  font-size: 9px;
  font-weight: 700;
  color: #000;
  border: 1.5px solid var(--bg-1);
  margin-left: -6px;
  text-transform: uppercase;
}
.presence-avatar:first-child { margin-left: 0; }
.avatar-self { color: var(--accent-fg); }

.ticker-strip {
  display: flex;
  align-items: center;
  gap: var(--pad-3);
  font-size: var(--t-sm);
  padding-right: var(--pad-3);
  border-right: 1px solid var(--line-1);
  height: 22px;
  overflow: hidden;
  white-space: nowrap;
  flex-shrink: 1;
  min-width: 0;
}
@media (max-width: 1400px) {
  .ticker-strip { display: none; }
}
@media (max-width: 1100px) {
  .topbar-cmd { max-width: 200px; }
}
@media (max-width: 900px) {
  .topbar-cmd { display: none; }
  .brand-tag { display: none; }
}
.ticker-strip-item {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

/* === LEFT RAIL === */
.leftrail {
  flex: 0 0 192px;
  display: flex;
  flex-direction: column;
  background: var(--bg-1);
  border-right: 1px solid var(--line-1);
  padding: var(--pad-2) var(--pad-2);
  gap: 1px;
  overflow-y: auto;
}
.leftrail-item {
  display: flex;
  align-items: center;
  gap: 10px;
  height: var(--row-h);
  padding: 0 8px;
  font-size: var(--t-sm);
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--fg-1);
  border-radius: var(--r-2);
  text-align: left;
  position: relative;
}
.leftrail-item:hover { background: var(--bg-3); color: var(--fg-0); }
.leftrail-item.is-active {
  background: var(--bg-3);
  color: var(--fg-0);
}
.leftrail-item.is-active::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--accent);
  border-radius: 1px;
}
.leftrail-icon {
  display: inline-flex;
  color: var(--fg-2);
}
.leftrail-item.is-active .leftrail-icon { color: var(--accent); }
.leftrail-label {
  flex: 1;
}
.leftrail-key {
  margin-left: auto;
  opacity: 0.6;
}
.leftrail-sep {
  height: 1px;
  background: var(--line-1);
  margin: var(--pad-2) 4px;
}
.leftrail-pinned { display: flex; flex-direction: column; gap: 1px; }
.leftrail-section-title {
  font-family: var(--font-data);
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--fg-3);
  padding: 4px 8px;
  text-transform: uppercase;
}
.leftrail-pin {
  display: flex;
  align-items: center;
  gap: 8px;
  height: var(--row-h-sm);
  padding: 0 8px;
  font-size: var(--t-sm);
  color: var(--fg-1);
  border-radius: var(--r-2);
  text-align: left;
}
.leftrail-pin:hover { background: var(--bg-3); }
.leftrail-pin-ticker {
  font-weight: 700;
  color: var(--fg-0);
  letter-spacing: 0.04em;
  font-size: var(--t-md);
  min-width: 42px;
}
.leftrail-pin-label {
  color: var(--fg-2);
  font-size: var(--t-xs);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* === STATUS BAR === */
.statusbar {
  flex: 0 0 auto;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-1);
  border-top: 1px solid var(--line-1);
  padding: 0 var(--pad-3);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--fg-2);
}
.statusbar-left, .statusbar-right { display: flex; align-items: center; gap: var(--pad-3); }
.statusbar-cell { display: inline-flex; align-items: center; gap: 6px; text-transform: uppercase; }
.statusbar-cell strong { color: var(--accent); font-weight: 600; }
.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--fg-3);
  animation: pulse-dot 2s ease-in-out infinite;
}
.status-dot-pos { background: var(--pos); box-shadow: 0 0 6px var(--pos); }
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* === SCREEN HEADER (used by all screens) === */
.screen-header {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--pad-3) var(--pad-4);
  border-bottom: 1px solid var(--line-1);
  background: var(--bg-1);
  gap: var(--pad-3);
}
.screen-header-left { display: flex; align-items: center; gap: var(--pad-3); flex: 1; min-width: 0; }
.screen-header-right { display: flex; align-items: center; gap: var(--pad-2); }
.screen-title {
  font-size: var(--t-2xl);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.screen-subtitle {
  font-size: var(--t-sm);
  color: var(--fg-2);
  font-family: var(--font-data);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-data);
  font-size: var(--t-sm);
  color: var(--fg-2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.breadcrumbs strong { color: var(--fg-0); font-weight: 600; }

/* === COMMON PANELS === */
.tab-row {
  display: flex;
  align-items: center;
  gap: 0;
  border-bottom: 1px solid var(--line-1);
  background: var(--bg-1);
  padding: 0 var(--pad-3);
}
.tab-item {
  height: 32px;
  padding: 0 var(--pad-3);
  font-size: var(--t-md);
  color: var(--fg-2);
  border-bottom: 2px solid transparent;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.tab-item:hover { color: var(--fg-0); }
.tab-item.is-active { color: var(--fg-0); border-bottom-color: var(--accent); }
.tab-count {
  font-family: var(--font-data);
  font-size: var(--t-xs);
  background: var(--bg-3);
  color: var(--fg-2);
  padding: 1px 5px;
  border-radius: 8px;
}

/* === DATA TABLES === */
.dtable {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--t-md);
}
.dtable th {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-2);
  text-align: left;
  font-weight: 500;
  padding: 6px var(--pad-3);
  background: var(--bg-1);
  border-bottom: 1px solid var(--line-2);
  position: sticky;
  top: 0;
}
.dtable th.num { text-align: right; }
.dtable td {
  padding: 6px var(--pad-3);
  border-bottom: 1px solid var(--line-1);
  height: var(--row-h);
}
.dtable td.num { text-align: right; font-family: var(--font-data); }
.dtable tbody tr:hover { background: var(--bg-2); }
.dtable tbody tr.is-selected { background: var(--accent-soft); }

/* Generic flex helpers */
.row { display: flex; align-items: center; gap: var(--pad-2); }
.col { display: flex; flex-direction: column; }
.spacer { flex: 1; }

/* Empty state */
.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--pad-5);
  color: var(--fg-2);
  text-align: center;
  gap: var(--pad-2);
}
.empty-title { font-size: var(--t-lg); color: var(--fg-1); }