/* static/css/navbar.css
   Topbar + offcanvas side menu for kitchen-AI.
   Depends on tokens.css. */
@import url('tokens.css');

/* ─────────────────────────────────────────────────────────────
   Topbar — left: burger + logo, right: branch + clock
   ───────────────────────────────────────────────────────────── */
.kai-topbar {
  position: sticky;
  top: 0;
  z-index: 1040;
  background: var(--surface-raised) !important;
  border-bottom: 1px solid var(--border);
  height: 60px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-family: var(--font-ui);
  color: var(--ink);
  box-shadow: none !important;
  backdrop-filter: saturate(160%) blur(6px);
  -webkit-backdrop-filter: saturate(160%) blur(6px);
}

/* Left cluster: burger + logo */
.kai-topbar__left {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.kai-topbar__burger {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--ink-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease, border-color 0.15s ease,
              background 0.15s ease, transform 0.15s ease;
  padding: 0;
}

.kai-topbar__burger:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}
.kai-topbar__burger:active { transform: scale(0.96); }
.kai-topbar__burger:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}

/* Three-bar icon */
.kai-topbar__burger-icon {
  display: block;
  width: 15px;
  height: 10px;
  position: relative;
}
.kai-topbar__burger-icon::before,
.kai-topbar__burger-icon::after,
.kai-topbar__burger-icon span {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 1.6px;
  background: currentColor;
  border-radius: 9999px;
}
.kai-topbar__burger-icon::before { top: 0; }
.kai-topbar__burger-icon span    { top: 50%; transform: translateY(-50%); display: block; }
.kai-topbar__burger-icon::after  { bottom: 0; }

/* Logo — now inline next to the burger, smaller and refined */
.kai-topbar__logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
  padding: 3px 0;
  border-radius: 6px;
  transition: opacity 0.15s ease;
}
.kai-topbar__logo:hover { opacity: 0.82; }
.kai-topbar__logo img {
  height: 32px;
  width: auto;
  display: block;
}

/* Right cluster: branch + clock */
.kai-topbar__right {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.kai-topbar__divider {
  width: 1px;
  height: 20px;
  background: var(--border);
  opacity: 0.8;
}

/* Active branch pill */
.kai-topbar__branch {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 11px 5px 9px;
  border-radius: 9999px;
  background: var(--surface);
  color: var(--ink);
  font-size: 11.5px;
  letter-spacing: 0.01em;
  font-weight: 500;
  font-family: var(--font-ui);
  border: 1px solid var(--border);
  white-space: nowrap;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.kai-topbar__branch:hover {
  border-color: color-mix(in srgb, var(--success) 35%, var(--border));
  background: color-mix(in srgb, var(--success) 4%, var(--surface));
}

.kai-topbar__branch-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--success) 18%, transparent);
  flex-shrink: 0;
  animation: kai-dot-pulse 2.4s ease-in-out infinite;
}
@keyframes kai-dot-pulse {
  0%, 100% { box-shadow: 0 0 0 3px color-mix(in srgb, var(--success) 18%, transparent); }
  50%      { box-shadow: 0 0 0 5px color-mix(in srgb, var(--success) 10%, transparent); }
}
.kai-topbar__branch-label {
  line-height: 1;
}

/* Clock — single inline line with icon */
.kai-topbar__clock {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--ink-muted);
  font-size: 12px;
  font-family: var(--font-ui);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.005em;
  line-height: 1;
}

.kai-topbar__clock-icon {
  color: var(--ink-subtle);
  flex-shrink: 0;
}

.kai-topbar__clock-date {
  color: var(--ink-muted);
  font-weight: 500;
}

.kai-topbar__clock-sep {
  color: var(--ink-subtle);
  opacity: 0.6;
}

.kai-topbar__clock-time {
  color: var(--ink);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* ── Responsive ── */
@media (max-width: 767px) {
  .kai-topbar { padding: 0 14px; gap: 10px; height: 56px; }
  .kai-topbar__logo img { height: 28px; }
  .kai-topbar__divider { display: none; }
  .kai-topbar__clock-date { display: none; }
  .kai-topbar__clock-sep { display: none; }
  .kai-topbar__branch-label {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

@media (max-width: 419px) {
  .kai-topbar__branch { display: none; }
}

/* ─────────────────────────────────────────────────────────────
   Sidebar offcanvas
   ───────────────────────────────────────────────────────────── */
.kai-sidebar {
  --kai-sidebar-width: 320px;
  width: var(--kai-sidebar-width) !important;
  max-width: 86vw !important;
  background: var(--surface-raised) !important;
  color: var(--ink) !important;
  border-right: 1px solid var(--border) !important;
  box-shadow: 6px 0 30px rgba(58, 47, 35, 0.10) !important;
  font-family: var(--font-ui);
}

.kai-sidebar .offcanvas-header,
.kai-sidebar .offcanvas-body { background: transparent !important; }

/* Header */
.kai-sidebar__head {
  display: block !important;
  padding: 22px 24px 16px !important;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.kai-sidebar__label {
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 4px;
}

.kai-sidebar__title {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--ink);
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.01em;
}

.kai-sidebar__close {
  position: absolute !important;
  top: 20px !important;
  right: 20px !important;
  width: 32px !important;
  height: 32px !important;
  border-radius: 9999px !important;
  background: transparent !important;
  border: 1px solid var(--border) !important;
  color: var(--ink-muted) !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 12px !important;
  cursor: pointer !important;
  transition: color 0.15s, border-color 0.15s, background 0.15s !important;
  padding: 0 !important;
  opacity: 1 !important;
  filter: none !important;
}
.kai-sidebar__close:hover {
  color: var(--accent) !important;
  border-color: var(--accent) !important;
  background: var(--accent-soft) !important;
}

/* Body & footer layout */
.kai-sidebar__body {
  padding: 0 !important;
  display: flex !important;
  flex-direction: column !important;
  height: 100% !important;
  overflow: hidden !important;
}

.kai-sidebar__scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 14px 0 20px;
}

/* ── Sidebar scrollbar (cohesive with tokens) ── */
.kai-sidebar__scroll::-webkit-scrollbar { width: 8px; }
.kai-sidebar__scroll::-webkit-scrollbar-track { background: transparent; }
.kai-sidebar__scroll::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 9999px;
  border: 2px solid var(--surface-raised);
}
.kai-sidebar__scroll:hover::-webkit-scrollbar-thumb { background: var(--border-strong); }

/* ─────────────────────────────────────────────────────────────
   Nav groups & items
   ───────────────────────────────────────────────────────────── */
.kai-nav__group { padding: 14px 0 4px; }

.kai-nav__group + .kai-nav__group {
  border-top: 1px solid var(--border);
  margin-top: 6px;
}

.kai-nav__group-label {
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 700;
  padding: 0 24px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.kai-nav__group-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.kai-nav__items {
  list-style: none;
  margin: 0;
  padding: 0;
}

.kai-nav__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 24px;
  color: var(--ink);
  text-decoration: none;
  font-size: 13px;
  line-height: 1.3;
  font-family: var(--font-ui);
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}

.kai-nav__link:hover {
  background: var(--surface-sunken);
  color: var(--ink);
}

.kai-nav__link:focus {
  outline: none;
  background: var(--surface-sunken);
}

.kai-nav__icon {
  width: 18px;
  height: 18px;
  color: var(--ink-muted);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: color 0.12s;
}

.kai-nav__link:hover .kai-nav__icon { color: var(--ink); }

.kai-nav__label { flex: 1; min-width: 0; }

/* Active state */
.kai-nav__link--active {
  background: var(--accent-soft);
  color: var(--ink);
  font-weight: 500;
}

.kai-nav__link--active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--accent);
  border-radius: 0 2px 2px 0;
}

.kai-nav__link--active .kai-nav__icon { color: var(--accent); }

/* Disabled / coming soon */
.kai-nav__link--disabled {
  color: var(--ink-subtle);
  cursor: not-allowed;
}

.kai-nav__link--disabled:hover {
  background: transparent;
  color: var(--ink-subtle);
}

.kai-nav__link--disabled .kai-nav__icon { color: var(--ink-subtle); opacity: 0.6; }

.kai-nav__soon {
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--ink-muted);
  padding: 2px 7px;
  border-radius: 9999px;
  background: var(--surface-sunken);
  border: 1px solid var(--border);
  margin-left: auto;
}

/* ─────────────────────────────────────────────────────────────
   Collapsibles (native <details>)
   ───────────────────────────────────────────────────────────── */
.kai-nav__group details { display: block; }

.kai-nav__group details summary {
  list-style: none;
  cursor: pointer;
}
.kai-nav__group details summary::-webkit-details-marker { display: none; }

.kai-nav__group details summary .kai-nav__chevron {
  margin-left: auto;
  font-size: 10px;
  color: var(--ink-subtle);
  transition: transform 0.2s ease;
}

.kai-nav__group details[open] summary .kai-nav__chevron {
  transform: rotate(90deg);
  color: var(--accent);
}

.kai-nav__subitems {
  list-style: none;
  margin: 2px 0 6px;
  padding: 0;
  border-left: 1px solid var(--border);
  margin-left: 40px;
}

.kai-nav__subitems .kai-nav__link {
  padding: 7px 16px 7px 14px;
  font-size: 12.5px;
  color: var(--ink-muted);
}

.kai-nav__subitems .kai-nav__link:hover { color: var(--ink); }

.kai-nav__subitems .kai-nav__icon {
  width: 14px;
  font-size: 11px;
}

.kai-nav__subitems .kai-nav__link--active {
  color: var(--ink);
  background: transparent;
  font-weight: 500;
}

.kai-nav__subitems .kai-nav__link--active::before { display: none; }
.kai-nav__subitems .kai-nav__link--active .kai-nav__icon { color: var(--accent); }

/* ─────────────────────────────────────────────────────────────
   Sidebar footer
   ───────────────────────────────────────────────────────────── */
.kai-sidebar__footer {
  padding: 14px 20px 18px;
  background: var(--surface-sunken);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-shrink: 0;
}

.kai-sidebar__lang {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background: var(--surface-raised);
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 9999px;
  padding: 8px 32px 8px 14px;
  font-size: 12px;
  font-family: var(--font-ui);
  cursor: pointer;
  width: 100%;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10' fill='none' stroke='%238c7a65' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'><polyline points='2,4 5,7 8,4'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 10px 10px;
}

.kai-sidebar__lang:focus {
  outline: none;
  border-color: var(--border-strong);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.kai-sidebar__logout {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--ink-muted);
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  font-family: var(--font-ui);
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  cursor: pointer;
}

.kai-sidebar__logout:hover {
  border-color: var(--error);
  color: var(--error);
  background: var(--error-soft);
}

.kai-sidebar__logout i { font-size: 11px; }

/* Tiny bottom mark */
.kai-sidebar__mark {
  text-align: center;
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-subtle);
  padding-top: 2px;
  font-weight: 600;
}