/*
 * Swarnolata UI Framework — Navbar (trial)
 * File: https://swarnolata.com/src/base/component.css (proposed location)
 *
 * Framework layer: component
 * Owns reusable navbar structure, responsive layout, dropdown presentation,
 * focus states, motion and component-local design tokens.
 *
 * Platform file: trial-studio/trial-page/test-navbar-01.css
 * Owns only foundation-specific token values, content and exceptional overrides.
 *
 * Requires palette tokens supplied by the active Swarnolata theme.
 */

/* 
 * 1. component tokens — framework component layer
 */
@layer component {
.s-navbar {
  --s-navbar-height: 4.5rem;
  --s-navbar-container: 90rem;
  --s-navbar-gap: 1rem;
  --s-navbar-space: 0.75rem;
  --s-navbar-radius: 0.625rem;

  /* defaults map to active palette; override locally when needed */
  --s-navbar-fg: var(--s-base-100);
  --s-navbar-bg: var(--s-base-30);
  --s-navbar-hover: oklch(from var(--s-navbar-fg) l c h / 0.10);
  --s-navbar-border: oklch(from var(--s-navbar-fg) l c h / 0.18);
  --s-navbar-menu-bg: var(--s-navbar-bg);
  --s-navbar-menu-bg: oklch(from var(--s-navbar-bg) l c h / 0.8);
  --s-navbar-accent: var(--s-acc-30);
  --s-navbar-shadow: 0 0.25rem 1.125rem oklch(0 0 0 / 0.12);

  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  width: 100%;
  color: var(--s-navbar-fg);
  background: var(--s-navbar-bg);
  border-bottom: 1px solid var(--s-navbar-border);
  box-shadow: var(--s-navbar-shadow);
  }
}
/* =========================================================
   2. Container and three-group layout — _component
   ========================================================= */

.s-navbar__container {
  display: flex;
  align-items: center;
  gap: var(--s-navbar-gap);
  width: min(calc(100% - 2rem), var(--s-navbar-container));
  min-height: var(--s-navbar-height);
  margin-inline: auto;
}

.s-navbar__left,
.s-navbar__right {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: var(--s-navbar-space);
  min-width: 0;
}

.s-navbar__left {
  gap: 1.125rem;
}

.s-navbar__panel {
  display: contents;
}

.s-navbar__center {
  flex: 1 1 16rem;
  min-width: 8rem;
  max-width: 24rem;
  margin-inline: auto;
}

/* =========================================================
   3. Brand — _component
   ========================================================= */

.s-navbar__brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 0.5625rem;
  color: inherit;
  text-decoration: none;
}

.s-navbar__logo {
  display: block;
  flex: 0 0 auto;
  width: 2rem;
  height: 2rem;
  object-fit: contain;
}

.s-navbar__brand-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.05;
}

.s-navbar__brand-name {
  font-size: 1rem;
  font-weight: 650;
  letter-spacing: -0.025em;
  white-space: nowrap;
}

.s-navbar__brand-label {
  align-self: flex-end;
  margin-top: 0.25rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: lowercase;
}

/* =========================================================
   4. Dropdowns — component
   JavaScript toggles .is-open and aria-expanded.
   ========================================================= */

.s-navbar__dropdown {
  position: relative;
  flex: 0 0 auto;
}

.s-navbar__control {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.625rem;
  padding: 0.5rem 0.75rem;
  color: inherit;
  background: transparent;
  border: 0;
  border-radius: var(--s-navbar-radius);
  font: inherit;
  font-size: 0.925rem;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease;
}

.s-navbar__control:hover,
.s-navbar__control:focus-visible,
.s-navbar__link:hover,
.s-navbar__link:focus-visible {
  background: var(--s-navbar-hover);
}

.s-navbar__chevron,
.s-navbar__theme-icon {
  display: block;
  flex: 0 0 auto;
  width: 1.125rem;
  height: 1.125rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.s-navbar__chevron {
  width: 0.8125rem;
  height: 0.8125rem;
  transition: transform 160ms ease;
}

.s-navbar__dropdown.is-open > .s-navbar__control .s-navbar__chevron {
  transform: rotate(180deg);
}

.s-navbar__menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  z-index: 1002;
  display: none;
  min-width: 11.25rem;
  margin: 0;
  padding: 0.375rem;
  background: var(--s-navbar-menu-bg);
  border: 1px solid var(--s-navbar-border);
  border-radius: var(--s-navbar-radius);
  box-shadow: var(--s-navbar-shadow);
}

.s-navbar__dropdown.is-open > .s-navbar__menu {
  display: grid;
  gap: 0.125rem;
  animation: s-navbar-menu-in 140ms ease-out;
}

.s-navbar__menu-link,
.s-navbar__menu-button {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  width: 100%;
  min-height: 2.625rem;
  padding: 0.625rem 0.75rem;
  color: inherit;
  background: transparent;
  border: 0;
  border-radius: calc(var(--s-navbar-radius) - 0.125rem);
  font: inherit;
  font-size: 0.9rem;
  text-align: left;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}

.s-navbar__menu-link:hover,
.s-navbar__menu-button:hover,
.s-navbar__menu-link:focus-visible,
.s-navbar__menu-button:focus-visible {
  background: var(--s-navbar-hover);
}

.s-navbar__menu--end {
  right: 0;
  left: auto;
}

/* =========================================================
   5. Search — _component
   ========================================================= */

.s-navbar__search {
  width: 100%;
  margin: 0;
}

.s-navbar__search-field {
  display: flex;
  align-items: center;
  width: 100%;
  overflow: hidden;
  background: oklch(from var(--s-navbar-fg) l c h / 0.06);
  border: 1px solid var(--s-navbar-border);
  border-radius: 999px;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.s-navbar__search-field:focus-within {
  border-color: var(--s-navbar-accent);
  box-shadow: 0 0 0 3px oklch(from var(--s-navbar-accent) l c h / 0.22);
}

.s-navbar__search-input {
  width: 100%;
  min-width: 0;
  min-height: 2.625rem;
  padding: 0.625rem 0.9375rem;
  color: inherit;
  background: transparent;
  border: 0;
  font: inherit;
  font-size: 0.9rem;
}

.s-navbar__search-input::placeholder {
  color: oklch(from var(--s-navbar-fg) l c h / 0.72);
  opacity: 1;
}

.s-navbar__search-submit {
  display: grid;
  place-items: center;
  align-self: stretch;
  flex: 0 0 2.75rem;
  color: inherit;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.s-navbar__search-submit svg {
  width: 1.125rem;
  height: 1.125rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
}

/* =========================================================
   6. Right links and theme selector — _component
   ========================================================= */

.s-navbar__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.s-navbar__link {
  display: block;
  padding: 0.625rem 0.6875rem;
  color: inherit;
  border-radius: var(--s-navbar-radius);
  font-size: 0.925rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 160ms ease, color 160ms ease;
}

.s-navbar__link:hover,
.s-navbar__link:focus-visible {
  color: var(--s-navbar-accent);
}

/* =========================================================
   7. Mobile menu button — _component
   ========================================================= */

.s-navbar__menu-toggle {
  display: none;
  place-items: center;
  flex: 0 0 2.625rem;
  gap: 0.3125rem;
  width: 2.625rem;
  height: 2.625rem;
  margin-left: auto;
  padding: 0.5rem;
  color: inherit;
  background: transparent;
  border: 1px solid var(--s-navbar-border);
  border-radius: var(--s-navbar-radius);
  cursor: pointer;
}

.s-navbar__menu-toggle span {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 160ms ease, opacity 160ms ease;
}

.s-navbar__menu-toggle.is-active span:first-child {
  transform: translateY(7px) rotate(45deg);
}

.s-navbar__menu-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.s-navbar__menu-toggle.is-active span:last-child {
  transform: translateY(-7px) rotate(-45deg);
}

/* =========================================================
   8. Focus and motion — _component; global reset stays in _reset
   ========================================================= */

.s-navbar :focus-visible {
  outline: 2px solid var(--s-navbar-accent);
  outline-offset: 3px;
}

@keyframes s-navbar-menu-in {
  from { opacity: 0; transform: translateY(-0.25rem); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =========================================================
   9. Compact desktop/tablet — _component
   ========================================================= */

@media (max-width: 1000px) {
  .s-navbar__container { gap: 0.625rem; }
  .s-navbar__left { gap: 0.5rem; }
  .s-navbar__right { gap: 0.25rem; }
  .s-navbar__center { max-width: 17.5rem; }
  .s-navbar__link { padding-inline: 0.5rem; }
}

/* =========================================================
   10. Mobile panel — _component
   Same elements; only layout changes.
   ========================================================= */

@media (max-width: 760px) {
  .s-navbar__container {
    position: relative;
    width: calc(100% - 1.5rem);
    gap: 0.5rem;
  }

  .s-navbar__left {
    flex: 1 1 auto;
    min-width: 0;
    gap: 0.5rem;
  }

  .s-navbar__logo {
    width: 1.875rem;
    height: 1.875rem;
  }

  .s-navbar__menu-toggle { display: grid; }

  .s-navbar__panel {
    position: absolute;
    top: 100%;
    right: -0.75rem;
    left: -0.75rem;
    z-index: 1001;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.375rem;
    max-height: calc(100dvh - var(--s-navbar-height));
    overflow-x: hidden;
    overflow-y: auto;
    padding: 0 1rem;
    background: var(--s-navbar-bg);
    border-bottom: 1px solid var(--s-navbar-border);
    box-shadow: var(--s-navbar-shadow);
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-0.5rem);
    transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease,
      padding 160ms ease;
  }

  .s-navbar__panel.is-open {
    padding-block: 0.625rem;
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

.s-navbar__center,
.s-navbar__panel > .s-navbar__dropdown {
  display: block;
  width: 100%;
  max-width: none;
  min-width: 0;
  margin: 0;
}

/* Reset desktop flex sizing for the vertical mobile layout */
.s-navbar__center {
  flex: 0 0 auto;
}



  .s-navbar__panel > .s-navbar__dropdown > .s-navbar__control {
    justify-content: space-between;
    width: 100%;
  }

  .s-navbar__right {
    display: flex;
    flex: 0 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0.375rem;
    width: 100%;
    margin: 0;
  }

  .s-navbar__links {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    width: 100%;
  }

  .s-navbar__links li { display: block; width: 100%; }
  .s-navbar__link { width: 100%; padding: 0.75rem; }

  .s-navbar__theme-selector { align-self: flex-start; }

  .s-navbar__menu {
    position: static;
    width: 100%;
    min-width: 0;
    margin-top: 0.25rem;
    box-sizing: border-box;
    box-shadow: none;
  }

  .s-navbar__menu--end { right: auto; left: auto; }
}

@media (max-width: 420px) {
  .s-navbar__container { gap: 0.375rem; }
  .s-navbar__left { gap: 0.375rem; }
  .s-navbar__logo { width: 1.6875rem; height: 1.6875rem; }
  .s-navbar__brand-name { font-size: 0.925rem; }
  .s-navbar__brand-label { font-size: 0.6875rem; }
}

/* =========================================================
   11. Reduced motion — _component; complements _reset
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
  .s-navbar *,
  .s-navbar *::before,
  .s-navbar *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* =========================================================
   PLATFORM-LOCAL CSS (not part of the framework)
   Example location: trial-studio/trial-page/test-navbar-01.css

   .s-navbar {
     --s-navbar-fg: var(--s-base-100);
     --s-navbar-bg: var(--s-base-30);
     --s-navbar-accent: var(--s-acc-30);
   }
   Keep these values in the platform theme/configuration file,
   not duplicated in the framework component file.
   ========================================================= */


/* =====================================================
   NAVBAR — APPEARANCE SELECTOR
   ===================================================== */

/* Current appearance icon */
.s-navbar__theme-current {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Menu label and icon */
.s-navbar__menu-label {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

/* Consistent icon dimensions */
.s-navbar__theme-current svg,
.s-navbar__menu-label svg {
  width: 1.15rem;
  height: 1.15rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.s-navbar__theme-current i,
.s-navbar__menu-label i {
  font-size: 1.1rem;
}

/* Selection checkmark */
.s-navbar__theme-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  opacity: 0;
  flex-shrink: 0;
}

/* SVG checkmark */
.s-navbar__theme-check svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Selected appearance */
.s-navbar__menu-button[aria-pressed="true"]
.s-navbar__theme-check {
  visibility: visible;
  opacity: 1;
}

/* Selected menu item */
.s-navbar__menu-button[aria-pressed="true"] {
  /* Retain your desired selected background and text colours */
}