/* === Shared Navbar === */
/* Themeable via CSS custom properties.
   Each project overrides --nav-* vars in its own CSS file. */

/* Material Icons font — self-hosted to avoid external CDN latency */
@font-face {
  font-family: 'Material Icons';
  font-style: normal;
  font-weight: 400;
  font-display: block;
  src: url('/shared/material-icons.woff2') format('woff2'),
       url('/shared/material-icons.ttf') format('truetype');
}

.gs-navbar {
  /* ── Theme tokens (override these per project) ── */
  --nav-bg: #fff;
  --nav-border: #e2e8f0;
  --nav-height: 60px;
  --nav-max-width: 1140px;

  --nav-text: #4a5568;
  --nav-text-dark: #2d3748;
  --nav-text-muted: #a0aec0;

  --nav-accent: #667eea;
  --nav-accent-hover: #5a67d8;
  --nav-accent-bg: #ebf4ff;
  --nav-accent-shadow: rgba(102,126,234,0.3);

  --nav-hover-bg: #f7fafc;
  --nav-active-bg: #edf2f7;

  --nav-avatar-bg: linear-gradient(135deg, #667eea, #764ba2);
  --nav-avatar-color: #fff;

  --nav-danger: #e53e3e;
  --nav-danger-bg: #fff5f5;

  /* ── Base styles ── */
  background: var(--nav-bg);
  border-bottom: 1px solid var(--nav-border);
  height: var(--nav-height);
  position: sticky;
  top: 0;
  z-index: 1000;
  font-family: var(--theme-font, 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif);
}

.gs-navbar-inner {
  max-width: var(--nav-max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 0;
  min-width: 0;
}

/* ── Brand ── */
.gs-navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--nav-text);
  flex-shrink: 0;
  margin-right: 32px;
}
.gs-navbar-brand:hover { text-decoration: none; }
.gs-navbar-logo { color: var(--nav-text); }
.gs-navbar-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  min-width: 0;
}
.gs-navbar-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--nav-text-dark);
  letter-spacing: -0.3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.gs-navbar-subtitle {
  font-size: 10.5px;
  color: var(--nav-text-muted);
  font-weight: 400;
  letter-spacing: 0.2px;
}

/* ── Nav links ──
   The links are the only elastic part of the bar: they shrink and, once there is
   no room left, scroll sideways. That keeps the session controls (language,
   login button, user menu) on screen at high page-zoom levels instead of pushing
   them past the right edge. */
.gs-navbar-links {
  display: flex;
  gap: 2px;
  align-items: center;
  min-width: 0;
  flex-shrink: 1;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.gs-navbar-links::-webkit-scrollbar { display: none; }
.gs-navbar-links a {
  color: var(--nav-text);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
}
/* Hover tints the row with its own text colour instead of painting a fixed
   wash under it. A fixed light wash is invisible on a light bar and, worse,
   erases the row wherever a data space has set light text: NEXMO forces white
   labels with `!important`, so the platform's near-white hover left white on
   white. Deriving the tint from `currentColor` cannot do that — the wash is
   always a shade of the very colour it has to stay legible against. A space
   that wants its own hover still sets `--nav-hover-bg`. */
.gs-navbar-links a:hover {
  background: var(--nav-hover-bg, color-mix(in srgb, currentColor 12%, transparent));
  text-decoration: none;
}
.gs-navbar-links a.active,
.gs-navbar-links a[aria-current="page"] {
  color: var(--nav-accent);
  background: var(--nav-accent-bg);
  font-weight: 600;
}

/* ── Auth area ── */
.gs-navbar-auth {
  display: flex;
  align-items: center;
  gap: 18px;
  position: relative;
  flex-shrink: 0;
  margin-left: auto;
}

/* Loading skeleton */
.gs-navbar-auth-loading { display: flex; align-items: center; }
.gs-navbar-skeleton {
  width: 110px;
  height: 34px;
  background: var(--nav-active-bg);
  border-radius: 6px;
  animation: gs-pulse 1.8s ease-in-out infinite;
}
@keyframes gs-pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* Login button */
.gs-navbar-login {
  color: #fff;
  background: var(--nav-accent);
  text-decoration: none;
  padding: 8px 20px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  transition: background 0.15s, box-shadow 0.15s;
  letter-spacing: 0.1px;
}
.gs-navbar-login:hover {
  background: var(--nav-accent-hover);
  box-shadow: 0 2px 8px var(--nav-accent-shadow);
  text-decoration: none;
}

/* ── User pill ── */
.gs-navbar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 10px 5px 5px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
  border: 1px solid transparent;
}
.gs-navbar-user:hover {
  background: var(--nav-hover-bg);
  border-color: var(--nav-border);
}
.gs-navbar-user.open {
  background: var(--nav-active-bg);
  border-color: var(--nav-border);
}

.gs-navbar-avatar {
  width: 32px;
  height: 32px;
  background: var(--nav-avatar-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--nav-avatar-color);
  flex-shrink: 0;
  letter-spacing: 0.5px;
}

.gs-navbar-user-info {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.gs-navbar-user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--nav-text-dark);
}
.gs-navbar-user-org {
  font-size: 11px;
  color: var(--nav-text-muted);
  font-weight: 400;
}

.gs-navbar-chevron {
  font-size: 9px;
  color: var(--nav-text-muted);
  margin-left: 2px;
  transition: transform 0.2s;
}
.gs-navbar-user.open .gs-navbar-chevron {
  transform: rotate(180deg);
}

/* ── Dropdown ── */
.gs-navbar-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  background: var(--nav-dropdown-bg, #fff);
  color: var(--nav-dropdown-text, #334155);
  border-radius: 10px;
  border: 1px solid var(--nav-dropdown-edge, rgba(15, 23, 42, 0.12));
  box-shadow: 0 8px 32px rgba(0,0,0,0.10), 0 2px 8px rgba(0,0,0,0.04);
  width: 230px;
  overflow: hidden;
  font-size: 13px;
  z-index: 1001;
}
.gs-navbar-dropdown-section {
  padding: 10px 16px 8px;
  color: var(--nav-dropdown-text-muted, #64748b);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}
.gs-navbar-dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  color: var(--nav-dropdown-text, #334155);
  text-decoration: none;
  font-weight: 500;
  transition: background 0.1s, color 0.1s;
}
/* The same rule, for the same reason. The row keeps the colour it already has —
   which a project may have forced — and only its ground moves. */
.gs-navbar-dropdown a:hover {
  background: var(--nav-dropdown-hover-bg, color-mix(in srgb, currentColor 12%, transparent));
  text-decoration: none;
}
.gs-navbar-dropdown-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: inherit;
}
.gs-navbar .material-icons,
.gs-navbar-dropdown-icon.material-icons {
  font-family: 'Material Icons' !important;
  font-size: 24px !important;
  font-weight: normal !important;
  font-style: normal !important;
  line-height: 1 !important;
  letter-spacing: normal !important;
  text-transform: none !important;
  word-wrap: normal !important;
  white-space: nowrap !important;
  direction: ltr !important;
  -webkit-font-smoothing: antialiased !important;
  text-rendering: optimizeLegibility !important;
  -moz-osx-font-smoothing: grayscale !important;
}
.gs-navbar-dropdown-icon.material-icons {
  font-size: 18px !important;
}
.gs-navbar-chevron.material-icons {
  font-size: 18px !important;
}
.gs-navbar-dropdown-divider {
  border-top: 1px solid var(--nav-dropdown-edge, rgba(15, 23, 42, 0.12));
  margin: 4px 0;
}
.gs-navbar-logout {
  color: var(--nav-danger) !important;
}
.gs-navbar-logout:hover {
  background: var(--nav-danger-bg) !important;
}

/* ── Language selector ── */
/* Drawn by the shared bar, which is also injected over the DSR application, so
   it cannot be a React component: what is borrowed from Material is the shape —
   a raised surface, a 36px option with its tick, and a visible focus ring. */
.gs-navbar-lang { position: relative; flex-shrink: 0; }

/* It behaves as one more link in the bar: the same weight, the same hover
   highlight and the same colour tokens, so the whole row reacts alike in every
   data space. */
.gs-navbar-lang-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  border: none;
  border-radius: 6px;
  background: none;
  color: var(--nav-text);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.gs-navbar-lang-btn:hover {
  color: var(--nav-text-dark);
  background: var(--nav-hover-bg);
}

.gs-navbar-lang.open .gs-navbar-lang-btn {
  color: var(--nav-text-dark);
  background: var(--nav-hover-bg);
}

.gs-navbar-lang-btn:focus-visible {
  outline: 2px solid var(--theme-accent, #0ea5e9);
  outline-offset: 3px;
  border-radius: 4px;
}

.gs-navbar-lang-flag { font-size: 14px; line-height: 1; }

.gs-navbar-lang-btn .gs-navbar-chevron {
  font-size: 14px;
  line-height: 1;
  margin-left: -1px;
  opacity: 0.7;
  transition: transform 0.18s;
}

.gs-navbar-lang.open .gs-navbar-chevron { transform: rotate(180deg); }

.gs-navbar-lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 6px;
  padding: 6px;
  min-width: 184px;
  background: var(--nav-dropdown-bg, #fff);
  border-radius: 8px;
  box-shadow:
    0 5px 5px -3px rgba(15, 23, 42, 0.2),
    0 8px 10px 1px rgba(15, 23, 42, 0.14),
    0 3px 14px 2px rgba(15, 23, 42, 0.12);
  z-index: 100;
  transform-origin: top right;
  animation: gs-lang-in 0.14s ease-out;
}

@keyframes gs-lang-in {
  from { opacity: 0; transform: scale(0.94); }
  to { opacity: 1; transform: scale(1); }
}

.gs-navbar-lang-dropdown button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 36px;
  padding: 6px 10px;
  border: none;
  border-radius: 6px;
  background: none;
  color: var(--nav-dropdown-text, #334155);
  font: inherit;
  font-size: 14px;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s;
}

.gs-navbar-lang-dropdown .gs-navbar-lang-name { flex: 1; }

.gs-navbar-lang-dropdown button:hover,
.gs-navbar-lang-dropdown button:focus-visible {
  background: var(--nav-active-bg, rgba(15, 23, 42, 0.06));
  outline: none;
}

.gs-navbar-lang-dropdown button[aria-selected='true'] { font-weight: 600; }

/* La marca ocupa su sitio siempre, de modo que elegir otro idioma no desplaza
   el texto de las opciones. */
.gs-navbar-lang-check {
  font-size: 18px;
  line-height: 1;
  color: var(--theme-accent, #0ea5e9);
  visibility: hidden;
}

.gs-navbar-lang-dropdown button[aria-selected='true'] .gs-navbar-lang-check { visibility: visible; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .gs-navbar-subtitle { display: none; }
  .gs-navbar-user-info { display: none; }
  .gs-navbar-brand { margin-right: 16px; }
  .gs-navbar-links a { padding: 8px 12px; font-size: 13px; }
}

@media (max-width: 480px) {
  .gs-navbar-inner { padding: 0 12px; }
  .gs-navbar-brand { margin-right: 8px; min-width: 0; flex-shrink: 1; }
  .gs-navbar-links a { padding: 6px 8px; font-size: 12px; }
  .gs-navbar-title { font-size: 15px; }
  .gs-navbar-lang { margin-right: 8px; }
}

/* Below this width the brand wording is the first thing to go: the navigation
   links and the session controls matter more than the data-space name. */
@media (max-width: 400px) {
  .gs-navbar-brand-text { display: none; }
}

/* ── The link row on a narrow viewport ──────────────────────────────────────
 *
 * One project carried this privately, in its own `navbar-extras.css`, beside its
 * own copy of `navbar.html` that declared the button. Both are the bar's, not a
 * data space's: a link row that overflows is the same problem everywhere.
 */
.gs-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  margin-left: auto;
  background: none;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.gs-hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--nav-text, #fff);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.gs-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.gs-hamburger.open span:nth-child(2) { opacity: 0; }
.gs-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 680px) {
  .gs-hamburger { display: flex; }

  .gs-navbar-links {
    display: none;
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    z-index: 9999;
    flex-direction: column;
    gap: 2px;
    padding: 8px 12px 12px;
    background: var(--nav-bg, #1b3a5c);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  }

  .gs-navbar-links.gs-mobile-open { display: flex; }

  .gs-navbar-links a {
    width: 100%;
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 15px;
  }

  .gs-navbar-auth { margin-left: auto; }
}