/* ══ FORM NAVIGATION BAR — reusable across all detail / edit pages ══════
   Mount via window.mountFormNav({...}). Renders a visually-distinct bar:
     [≡ Browse] [Month picker] [⏮ First] [◀ Prev]  X of Y  [Next ▶] [Last ⏭]
     [✏ Edit] [🗑 Delete]
   Visually accented so the user can spot it instantly on any page.
   ───────────────────────────────────────────────────────────────────── */

.fnav {
  position: sticky;
  /* Stick to viewport top — small gap so it doesn't bleed into the topbar.
     Override per-page via parent `top:` if a fixed header exists. */
  top: 8px;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  /* Subtle primary tint so the bar stands out from regular cards */
  background:
    linear-gradient(135deg,
      color-mix(in srgb, var(--primary) 7%, var(--bg-card)) 0%,
      var(--bg-card) 60%);
  border: 1px solid color-mix(in srgb, var(--primary) 22%, var(--border));
  border-left: 3px solid var(--primary);
  border-radius: 10px;
  padding: 8px 12px 8px 14px;
  margin: 0 0 16px;
  box-shadow:
    0 1px 2px rgba(15, 23, 42, 0.04),
    0 0 0 3px color-mix(in srgb, var(--primary) 5%, transparent);
  font-size: 12px;
  font-family: inherit;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* Stronger accent on form pages (when onSave/onCancel provided) */
.fnav.is-form {
  border-left-width: 4px;
  box-shadow:
    0 2px 6px rgba(15, 23, 42, 0.06),
    0 0 0 3px color-mix(in srgb, var(--primary) 8%, transparent);
}

/* When the bar is stuck (scrolled past its natural top), give it a tiny lift */
.fnav.is-stuck {
  box-shadow:
    0 4px 12px rgba(15, 23, 42, 0.08),
    0 0 0 3px color-mix(in srgb, var(--primary) 8%, transparent);
}

/* "Browse entries" label on the left so the user knows what this is */
.fnav-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 10px 0 0;
  border-right: 1px dashed color-mix(in srgb, var(--primary) 30%, var(--border));
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
  white-space: nowrap;
}
.fnav-tag svg { display: block; opacity: 0.85; }

.fnav-grp {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.fnav-grp + .fnav-grp {
  margin-left: 4px;
  padding-left: 8px;
  border-left: 1px solid color-mix(in srgb, var(--primary) 12%, var(--border));
}

/* Push Edit/Delete group to the right */
.fnav-grp.is-end {
  margin-left: auto;
}

/* Month picker */
.fnav-month {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 30px;
  padding: 0 10px;
  background: var(--bg-card);
  border: 1px solid color-mix(in srgb, var(--primary) 20%, var(--border));
  border-radius: 7px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  outline: none;
  transition: border-color .12s, box-shadow .12s;
  min-width: 130px;
}
.fnav-month:focus,
.fnav-month:hover {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 15%, transparent);
}

/* Buttons */
.fnav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: 30px;
  min-width: 30px;
  padding: 0 10px;
  background: var(--bg-card);
  border: 1px solid color-mix(in srgb, var(--primary) 18%, var(--border));
  border-radius: 7px;
  color: var(--text-soft);
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background .12s, border-color .12s, color .12s, transform .08s;
}
.fnav-btn:hover:not(:disabled) {
  background: color-mix(in srgb, var(--primary) 10%, var(--bg-card));
  color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-1px);
}
.fnav-btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.08);
}
.fnav-btn:disabled {
  opacity: .35;
  cursor: not-allowed;
  background: var(--bg-chip);
}
.fnav-btn svg { display: block; }

/* Counter pill in the middle — distinct & informative */
.fnav-count {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 28px;
  padding: 0 12px;
  background: var(--bg-card);
  border: 1px solid color-mix(in srgb, var(--primary) 25%, var(--border));
  border-radius: 14px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.fnav-count strong {
  font-weight: 700;
  color: var(--primary);
  font-size: 12px;
}

/* Edit / Delete accent on hover */
.fnav-btn.is-edit {
  color: var(--primary);
  border-color: color-mix(in srgb, var(--primary) 25%, var(--border));
}
.fnav-btn.is-edit:hover:not(:disabled) {
  background: color-mix(in srgb, var(--primary) 14%, var(--bg-card));
  color: var(--primary);
  border-color: var(--primary);
}
.fnav-btn.is-del {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 22%, var(--border));
}
.fnav-btn.is-del:hover:not(:disabled) {
  background: var(--bg-danger-soft);
  color: var(--danger);
  border-color: var(--danger);
}

/* ── Form-mode Save / Cancel buttons ─────────────────────────────────
   Save is the primary action — filled green. Cancel is ghost neutral.
   Both render only when mountFormNav is called with onSave / onCancel. */
.fnav-grp.is-form {
  margin-left: auto;
  padding-left: 10px;
  border-left: 1px solid color-mix(in srgb, var(--primary) 20%, var(--border));
}
.fnav-grp.is-form + .fnav-grp.is-end {
  margin-left: 0;
  padding-left: 8px;
}
.fnav-btn.is-save {
  background: var(--success, #16a34a);
  border-color: var(--success, #16a34a);
  color: #fff;
  font-weight: 600;
  padding: 0 14px;
}
.fnav-btn.is-save:hover:not(:disabled) {
  background: color-mix(in srgb, #000 8%, var(--success, #16a34a));
  border-color: color-mix(in srgb, #000 8%, var(--success, #16a34a));
  color: #fff;
}
.fnav-btn.is-cancel {
  background: var(--bg-card);
  color: var(--text-muted);
  border-color: var(--border);
}
.fnav-btn.is-cancel:hover:not(:disabled) {
  background: var(--bg-row-hover);
  color: var(--text);
  border-color: var(--border-strong);
}

/* Dark-theme polish — gradient is too subtle on dark backgrounds */
[data-theme="dark"] .fnav {
  background:
    linear-gradient(135deg,
      color-mix(in srgb, var(--primary) 14%, var(--bg-card)) 0%,
      var(--bg-card) 65%);
  border-color: color-mix(in srgb, var(--primary) 30%, var(--border));
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.3),
    0 0 0 3px color-mix(in srgb, var(--primary) 8%, transparent);
}

/* Responsive */
@media (max-width: 900px) {
  .fnav-grp.is-end { margin-left: 0; }
}
@media (max-width: 720px) {
  .fnav { padding: 6px 8px 6px 10px; gap: 6px; }
  .fnav-tag span { display: none; }
  .fnav-count { padding: 0 8px; }
  .fnav-grp + .fnav-grp { margin-left: 2px; padding-left: 6px; }
}