/* ── MMIC shared navigation ──────────────────────────────────────────────── */
/* Desktop top navbar (>768px) + mobile bottom navbar (≤768px).               */
/* All colours via theme.css tokens. Breakpoint 768px is intentional and is   */
/* the only place 768px is used in the project — do not change to 560px.      */

:root {
  --nav-height: 56px;
}

/* ── Desktop top navbar ──────────────────────────────────────────────────── */
#mmic-nav {
  display: flex;
  align-items: center;
  height: var(--nav-height);
  /* Full-bleed bar fixed at top. Inner content padding mirrors the fluid body
     width (min(92%, 1600px)) so wordmark/links/icons align with page content. */
  padding: 0 max(4%, calc((100% - 1600px) / 2));
  background: var(--bg-raised);
  border-bottom: 0.5px solid var(--border-subtle);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  box-sizing: border-box;
}

.mmic-nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.mmic-nav-logo {
  height: 28px;
  width: 28px;
  display: block;
  flex-shrink: 0;
}

.mmic-nav-logo-wordmark {
  font-family: var(--font-ui);
  font-size: var(--text-md);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-primary);
}

@media (max-width: 560px) {
  .mmic-nav-logo-wordmark {
    display: none;
  }
}

.mmic-nav-center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  flex: 1;
}

.mmic-nav-link {
  padding: var(--space-2) var(--space-6);
  background: none;
  border: 0.5px solid transparent;
  border-radius: var(--radius-lg);
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-fast);
}

.mmic-nav-link:hover {
  color: var(--accent-primary);
  border-color: rgba(93, 202, 165, 0.4);
  background: rgba(93, 202, 165, 0.05);
}

.mmic-nav-link.active {
  color: var(--accent-primary);
  border-color: rgba(93, 202, 165, 0.4);
  background: rgba(93, 202, 165, 0.08);
}

.mmic-nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.mmic-nav-icon-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--bg-surface);
  border: 0.5px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.mmic-nav-icon-btn:hover {
  color: var(--accent-primary);
  border-color: rgba(93, 202, 165, 0.4);
  background: rgba(93, 202, 165, 0.05);
}

/* ── Desktop dropdowns (absolute, positioned parent) ─────────────────────── */
.mmic-nav-dropdown-wrap {
  position: relative;
}

.mmic-nav-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  min-width: 180px;
  background: var(--bg-raised);
  border: 0.5px solid var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-modal);
  padding: var(--space-2);
  z-index: 1001;
}

.mmic-nav-dropdown.open {
  display: block;
}

.mmic-nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  text-align: left;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-fast);
}

.mmic-nav-dropdown-item:hover {
  color: var(--accent-primary);
  background: rgba(93, 202, 165, 0.06);
}

.mmic-nav-dropdown-item i {
  font-size: 16px;
  opacity: 0.8;
}

/* ── Mobile bottom navbar ────────────────────────────────────────────────── */
#mmic-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: var(--bg-raised);
  border-top: 0.5px solid var(--border-subtle);
}

.mmic-bottom-slot {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-size: var(--text-2xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-fast);
}

.mmic-bottom-slot i {
  font-size: 21px;
}

.mmic-bottom-slot.active {
  color: var(--accent-primary);
}

/* ── Mobile bottom sheet ─────────────────────────────────────────────────── */
#mmic-sheet-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1001;
  background: rgba(0, 0, 0, 0.5); /* no token */
  opacity: 0;
  transition: opacity 0.2s ease;
}

#mmic-sheet-backdrop.open {
  display: block;
  opacity: 1;
}

#mmic-sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1002;
  background: var(--bg-raised);
  border-top: 0.5px solid var(--border-default);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  padding: var(--space-3) var(--space-7) calc(var(--space-9) + env(safe-area-inset-bottom));
  transform: translateY(100%);
  transition: transform 0.2s ease-out;
}

#mmic-sheet.open {
  transform: translateY(0);
}

.mmic-sheet-handle {
  width: 36px;
  height: 4px;
  margin: 0 auto var(--space-5);
  border-radius: var(--radius-pill);
  background: var(--border-strong);
  cursor: pointer;
}

.mmic-sheet-item {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  width: 100%;
  padding: var(--space-5) var(--space-3);
  background: none;
  border: none;
  border-bottom: 0.5px solid var(--border-faint);
  color: var(--text-body);
  font-family: var(--font-ui);
  font-size: var(--text-md);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  text-align: left;
  cursor: pointer;
  transition: var(--transition-fast);
}

.mmic-sheet-item:last-child {
  border-bottom: none;
}

.mmic-sheet-item:hover {
  color: var(--accent-primary);
}

.mmic-sheet-item i {
  font-size: 19px;
  opacity: 0.8;
  width: 19px;
  text-align: center;
}

.mmic-nav-logo-wordmark.mmic-nav-logo-fallback-active {
  display: inline !important;
}

/* ── Breakpoint switch (768px — intentional, see CLAUDE.md) ──────────────── */
@media (max-width: 768px) {
  #mmic-nav {
    display: none;
  }
  #mmic-bottom-nav {
    display: flex;
  }
  body {
    padding-bottom: var(--nav-height) !important;
  }
}