/* =========================================================
   RAMDOS ARENA — sidebar.css
   The ONE sidebar for every page (arena, R-AI Chat, newsroom, …).
   Extracted verbatim from arena.css on Sep 30 2026; arena.css no
   longer carries these rules. Markup is rendered by sidebar.js.
   Requires theme.css tokens. Load after the page's own stylesheet.
   ========================================================= */

/* ── Mobile top bar (hidden on desktop) ── */
.sb-mobile-bar {
  display: none;
}

/* ── Overlay backdrop (mobile drawer) ── */
.sb-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 26, 24, 0.32);
  z-index: 149;
  opacity: 0;
  transition: opacity 0.24s var(--ease-out);
}
.sb-overlay.sb-overlay-show { opacity: 1; }

/* ── App shell ── */
.app-shell {
  display: flex;
  min-height: 100dvh;
  background: var(--bg-canvas);
}

/* ── Sidebar ── */
.sb {
  width: 220px;
  min-width: 220px;
  display: flex;
  flex-direction: column;
  background: var(--bg-soft);
  border-right: 0.5px solid var(--border-soft);
  position: sticky;
  top: 0;
  height: 100dvh;
  overflow-x: hidden;
  overflow-y: auto;
  flex-shrink: 0;
  z-index: 50;
  transition: width 0.22s var(--ease-out), min-width 0.22s var(--ease-out);
}

/* ── Collapsed state ── */
.sb.sb-collapsed {
  width: 56px;
  min-width: 56px;
  align-items: center;
}

/* All sections lose padding, stack centered */
.sb-collapsed .sb-top,
.sb-collapsed .sb-nav,
.sb-collapsed .sb-util,
.sb-collapsed .sb-profile-wrap {
  padding: 0;
  width: 56px;
}

/* Every clickable row becomes a 36px square centered in 56px */
.sb-collapsed .sb-ni,
.sb-collapsed .sb-util-row,
.sb-collapsed .sb-profile-row {
  width: 36px;
  height: 36px;
  padding: 0;
  margin: 2px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  border-radius: 8px;
}

/* Collapse btn centered in header */
.sb-collapsed .sb-top {
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 0.5px solid var(--border-faint);
}
.sb-collapsed .sb-brand { display: none; }

/* Hide all text, keep only svg icons */
.sb-collapsed .sb-ni-label,
.sb-collapsed .sb-ni-soon,
.sb-collapsed .sb-util-lbl span,
.sb-collapsed .sb-toggle-pill,
.sb-collapsed .sb-profile-info,
.sb-collapsed .sb-profile-chevron {
  display: none;
}

/* Nav padding */
.sb-collapsed .sb-nav {
  padding: 8px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

/* Util padding */
.sb-collapsed .sb-util {
  padding: 6px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  border-top: 0.5px solid var(--border-faint);
}

/* Profile padding */
.sb-collapsed .sb-profile-wrap {
  padding: 6px 0 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  border-top: 0.5px solid var(--border-faint);
}

/* ── Logo + collapse toggle ── */
.sb-top {
  padding: 14px 12px 12px;
  border-bottom: 0.5px solid var(--border-faint);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.sb-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  overflow: hidden;
  flex: 1;
  min-width: 0;
}

.sb-mark {
  width: 26px;
  height: 26px;
  background: var(--claude-500);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 14px;
  color: #fff;
  flex-shrink: 0;
}

.sb-wordtext {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  min-width: 0;
  overflow: hidden;
}

.sb-eyebrow {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-tertiary);
  white-space: nowrap;
  overflow: hidden;
  opacity: 1;
  transition: opacity 0.18s var(--ease-out);
}

.sb-wordmark {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: 18px;
  color: var(--ink-primary);
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  opacity: 1;
  transition: opacity 0.18s var(--ease-out);
}


/* Collapse toggle button */
.sb-collapse-btn {
  width: 26px;
  height: 26px;
  border-radius: var(--r-sm);
  border: 0.5px solid var(--border-soft);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-tertiary);
  cursor: pointer;
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 0.15s, background 0.14s var(--ease-out), color 0.14s var(--ease-out);
}
.sb:hover .sb-collapse-btn { opacity: 1; }
.sb-collapsed .sb-collapse-btn { opacity: 1; }
.sb-collapse-btn:hover { background: var(--bg-canvas); color: var(--ink-primary); }

/* ── Nav items ── */
.sb-nav {
  flex: 1;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
  overflow-x: hidden;
}

.sb-ni {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--ink-tertiary);
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 400;
  cursor: pointer;
  text-align: left;
  transition: background 0.14s var(--ease-out), color 0.14s var(--ease-out);
  white-space: nowrap;
  width: 100%;
  position: relative;
}

.sb-ni svg { flex-shrink: 0; }

.sb-ni:hover { background: var(--bg-canvas); color: var(--ink-primary); }

.sb-ni-active { background: rgba(216, 90, 48, 0.08); color: var(--claude-500); }
.sb-ni-active:hover { background: rgba(216, 90, 48, 0.11); color: var(--claude-500); }

.sb-ni-label {
  flex: 1;
  overflow: hidden;
  opacity: 1;
  transition: opacity 0.18s var(--ease-out);
}

/* Community "Soon" badge */
.sb-ni-disabled { opacity: 0.5; cursor: default; }
.sb-ni-disabled:hover { background: transparent; color: var(--ink-tertiary); }

.sb-ni-soon {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  background: var(--border-faint);
  color: var(--ink-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
  flex-shrink: 0;
  transition: opacity 0.18s var(--ease-out);
}

/* Tooltip shown in collapsed state */
.sb-collapsed .sb-ni[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--ink-primary);
  color: var(--bg-surface);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 5px 10px;
  border-radius: var(--r-sm);
  white-space: nowrap;
  pointer-events: none;
  z-index: 200;
}

.sb-divider {
  height: 0.5px;
  background: var(--border-faint);
  margin: 6px 0;
}

/* ── Utility rows ── */
.sb-util {
  padding: 8px 10px;
  border-top: 0.5px solid var(--border-faint);
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex-shrink: 0;
}

.sb-util-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: 8px;
  border: none;
  background: transparent;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: background 0.14s var(--ease-out);
  overflow: hidden;
  white-space: nowrap;
}
.sb-util-row:hover { background: var(--bg-canvas); }

.sb-util-lbl {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--ink-secondary);
  overflow: hidden;
}

.sb-util-lbl svg { flex-shrink: 0; }

.sb-util-lbl span,
.sb-util-lbl + * {
  opacity: 1;
  transition: opacity 0.18s var(--ease-out);
}

/* Dark mode toggle pill */
.sb-toggle-pill {
  width: 30px;
  height: 17px;
  border-radius: 9px;
  background: var(--border-soft);
  position: relative;
  flex-shrink: 0;
  transition: background 0.2s, opacity 0.18s var(--ease-out);
}
.sb-toggle-pill.sb-toggle-on { background: var(--claude-500); }

.sb-toggle-knob {
  position: absolute;
  top: 2px; left: 2px;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: #fff;
  transition: left 0.18s var(--ease-out);
}
.sb-toggle-pill.sb-toggle-on .sb-toggle-knob { left: 15px; }

/* ── Profile row ── */
.sb-profile-wrap {
  padding: 8px 10px 14px;
  border-top: 0.5px solid var(--border-faint);
  position: relative;
  flex-shrink: 0;
}

.sb-profile-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  border: none;
  background: transparent;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: background 0.14s var(--ease-out);
  overflow: hidden;
  white-space: nowrap;
}
.sb-profile-row:hover { background: var(--bg-canvas); }

.sb-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--claude-500);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  flex-shrink: 0;
}

.sb-profile-info {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  opacity: 1;
  transition: opacity 0.18s var(--ease-out);
}

.sb-profile-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sb-profile-meta {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--ink-tertiary);
  margin-top: 1px;
}

.sb-profile-chevron {
  color: var(--ink-faint);
  flex-shrink: 0;
  opacity: 1;
  transition: opacity 0.18s var(--ease-out);
}


/* Profile menu positioned via JS getBoundingClientRect — no CSS anchoring needed */

/* ── Arena content area ── */
.app-shell .arena {
  flex: 1;
  min-width: 0;
  max-width: 760px;
  margin: 0 auto;
}

/* ── Hide original header + tab row ── */
.app-shell .header       { display: none !important; }
.app-shell .arena-tab-row { display: none !important; }

/* ── History drawer: above mobile top bar on small screens ── */
@media (max-width: 768px) {
  .history-drawer {
    z-index: 160;
    top: 0;
    width: 100vw;
    max-width: 100vw;
    border-left: none;
  }
  .history-drawer-backdrop {
    z-index: 155;
  }
}

/* ── Mobile ── */
@media (max-width: 768px) {

  /* Show mobile top bar */
  .sb-mobile-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    padding-top: max(10px, env(safe-area-inset-top));
    background: var(--bg-soft);
    border-bottom: 0.5px solid var(--border-soft);
    position: sticky;
    top: 0;
    z-index: 100;
    flex-shrink: 0;
    min-height: 52px;
  }

  .sb-hamburger {
    width: 36px; height: 36px;
    border-radius: var(--r-sm);
    border: 0.5px solid var(--border-soft);
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ink-secondary);
    cursor: pointer;
    flex-shrink: 0;
  }

  .sb-mobile-brand {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  /* Sidebar becomes a fixed left drawer on mobile */
  .app-shell {
    flex-direction: column;
    min-height: 100dvh;
  }

  /* Arena gets safe padding on mobile */
  .app-shell .arena {
    padding-left: 16px;
    padding-right: 16px;
    padding-bottom: max(40px, env(safe-area-inset-bottom, 40px));
    max-width: 100%;
    margin: 0;
  }

  .sb {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: 260px;
    min-width: 260px;
    height: 100dvh;
    border-right: 0.5px solid var(--border-soft);
    transform: translateX(-100%);
    transition: transform 0.26s var(--ease-out);
    z-index: 150;
    /* never collapse on mobile */
    overflow-y: auto;
  }

  .sb.sb-mobile-open {
    transform: translateX(0);
  }

  /* Hide collapse button on mobile — not needed */
  .sb-collapse-btn { display: none; }

  /* Collapsed state has no effect on mobile */
  .sb.sb-collapsed {
    width: 260px;
    min-width: 260px;
  }
  /* On mobile, collapsed state is fully overridden — sidebar is a drawer */
  .sb.sb-collapsed .sb-brand,
  .sb.sb-collapsed .sb-ni-label,
  .sb.sb-collapsed .sb-util-lbl span,
  .sb.sb-collapsed .sb-toggle-pill,
  .sb.sb-collapsed .sb-profile-info,
  .sb.sb-collapsed .sb-profile-chevron,
  .sb.sb-collapsed .sb-ni-soon {
    display: revert;
  }
  .sb.sb-collapsed .sb-top,
  .sb.sb-collapsed .sb-nav,
  .sb.sb-collapsed .sb-util,
  .sb.sb-collapsed .sb-profile-wrap {
    width: auto;
    padding: revert;
    align-items: flex-start;
  }
  .sb.sb-collapsed .sb-ni,
  .sb.sb-collapsed .sb-util-row,
  .sb.sb-collapsed .sb-profile-row {
    width: 100%;
    height: auto;
    margin: 0;
    padding: 9px 10px;
    justify-content: flex-start;
    gap: 10px;
    border-radius: 8px;
  }
  .sb.sb-collapsed .sb-ni[data-tooltip]:hover::after {
    display: none;
  }
}