/* ═══════════════════════════════════════════════════════
 * canvas-focus-mode.css — Focus Mode layout and interaction geometry.
 * Visual ownership: design-system/adapters/canvas-focus-mode-theme.css.
 * ═══════════════════════════════════════════════════════ */

/* ── Overlay ── */
.focus-mode-overlay {
  position:fixed;
  inset:0;
  z-index:10010;
  pointer-events:none;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}

/* ── Top bar ── */
.focus-mode-topbar {
  pointer-events:auto;
  touch-action:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:10px 16px;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  z-index:10011;
  gap:12px;
  font-family:'Inter',system-ui,sans-serif;
}

.focus-back-btn {
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:13px;
  font-weight:500;
  cursor:pointer;
  transition:background .15s,border-color .15s;
  white-space:nowrap;
}
.focus-back-btn svg { flex-shrink:0; }

.focus-counter {
  font-size:13px;
  font-variant-numeric:tabular-nums;
  user-select:none;
  white-space:nowrap;
}

.focus-topbar-actions {
  display:flex;
  align-items:center;
  gap:4px;
}

.focus-topbar-btn {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;
  height:32px;
  border-radius:8px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .15s,color .15s;
}

/* ── Bottom navigation bar ── */
.focus-mode-bottombar {
  pointer-events:auto;
  touch-action:auto;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  padding:10px 16px;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-top:1px solid transparent;
  z-index:10011;
  font-family:'Inter',system-ui,sans-serif;
}

.focus-nav-btn {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  border-radius:10px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .15s,color .15s;
  flex-shrink:0;
}

.focus-thumb-strip {
  display:flex;
  align-items:center;
  gap:6px;
  overflow-x:auto;
  max-width:calc(100vw - 200px);
  padding:2px 4px;
  scrollbar-width:none;
}
.focus-thumb-strip::-webkit-scrollbar { display:none; }

.focus-thumb {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:28px;
  border-radius:6px;
  border:2px solid transparent;
  font-size:11px;
  font-weight:600;
  cursor:pointer;
  transition:border-color .15s,color .15s,transform .15s;
  flex-shrink:0;
  user-select:none;
}
.focus-thumb.active { transform:scale(1.1); }

/* ── Compact zoom mini-panel ── */
.focus-mini-zoom {
  position:absolute;
  bottom:80px;
  right:24px;
  z-index:10015;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 10px;
  border:1px solid transparent;
  border-radius:12px;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  pointer-events:auto;
  touch-action:auto;
  font-size:13px;
}

/* ═══════════════════════════════════════════════════════
 * PHONE — Focus Mode
 * ═══════════════════════════════════════════════════════ */
@media (max-width:767px) {
  .focus-mode-topbar {
    padding:6px 10px;
    gap:8px;
  }
  .focus-back-btn {
    padding:4px 10px;
    font-size:12px;
    gap:4px;
  }
  .focus-counter { font-size:12px; }
  .focus-topbar-btn {
    width:28px;
    height:28px;
  }

  .focus-mode-bottombar {
    padding:8px 10px;
    gap:8px;
  }
  .focus-nav-btn {
    width:32px;
    height:32px;
    border-radius:8px;
  }
  .focus-thumb-strip {
    max-width:calc(100vw - 120px);
    gap:4px;
  }
  .focus-thumb {
    width:36px;
    height:24px;
    font-size:10px;
    border-radius:5px;
  }

  .focus-mini-zoom {
    bottom:68px;
    right:auto;
    left:50%;
    transform:translateX(-50%);
    max-width:calc(100vw - 24px);
    padding:4px 8px;
    gap:4px;
    font-size:12px;
    border-radius:10px;
  }
  .focus-mini-zoom .mmz-btn {
    width:28px;
    height:28px;
  }
  .focus-mini-zoom .mmz-label {
    font-size:11px;
    min-width:30px;
  }

  body.focus-mode-active .toolbar[aria-label] {
    bottom:52px !important;
    z-index:10012 !important;
  }

  body.focus-mode-active .focus-mini-zoom {
    bottom:112px;
    left:50%;
    transform:translateX(-50%);
  }
}

/* ═══════════════════════════════════════════════════════
 * TABLET — Focus Mode
 * ═══════════════════════════════════════════════════════ */
@media (min-width:768px) and (max-width:1024px) {
  .focus-mini-zoom {
    bottom:72px;
    right:16px;
  }
}