/* ==========================================================================
   Closet Compass — base
   Reset, typography, layout primitives.
   All values come from tokens.css. No literal colours or spacing here.
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;                    /* dvh accounts for mobile browser chrome */
  font-family: var(--cc-font-sans);
  font-size: var(--cc-text-base);        /* never below 16px — iOS zooms inputs otherwise */
  line-height: var(--cc-leading-normal);
  color: var(--cc-text);
  background: var(--cc-bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  margin: 0 0 var(--cc-space-3);
  font-family: var(--cc-font-display);
  font-weight: var(--cc-weight-bold);
  line-height: var(--cc-leading-tight);
  letter-spacing: var(--cc-tracking-tight);
}

h1 { font-size: var(--cc-text-3xl); }
h2 { font-size: var(--cc-text-2xl); }
h3 { font-size: var(--cc-text-xl); }

p { margin: 0 0 var(--cc-space-4); }

a {
  color: var(--cc-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover { color: var(--cc-secondary-hover); }

img, svg { display: block; max-width: 100%; }

/* Focus — visible always, never removed without a replacement. */
:focus-visible {
  outline: 3px solid var(--cc-focus-ring);
  outline-offset: 2px;
  border-radius: var(--cc-radius-sm);
}

.skip-link {
  position: absolute;
  left: var(--cc-space-3);
  top: calc(var(--cc-space-3) * -10);
  z-index: var(--cc-z-toast);
  padding: var(--cc-space-2) var(--cc-space-4);
  background: var(--cc-bg-raised);
  border-radius: var(--cc-radius-md);
  box-shadow: var(--cc-shadow-md);
  text-decoration: none;
  transition: top var(--cc-duration-fast) var(--cc-ease-out);
}

.skip-link:focus { top: var(--cc-space-3); }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* --- Layout ---------------------------------------------------------------- */

.auth-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: var(--cc-space-5) var(--cc-space-4);
}

.app-main {
  padding: var(--cc-space-5) var(--cc-space-4) var(--cc-space-8);
  max-width: var(--cc-container-max);
  margin: 0 auto;
}

@media (min-width: 1024px) {
  .app-main { padding-left: calc(var(--cc-nav-width) + var(--cc-space-6)); }
}

.stack > * + * { margin-top: var(--cc-space-4); }

/* --- App header (mobile) --------------------------------------------------- */

.app-header {
  position: sticky;
  top: 0;
  z-index: var(--cc-z-sticky);
  display: flex;
  align-items: center;
  gap: var(--cc-space-3);
  height: var(--cc-header-height);
  padding: 0 var(--cc-space-4);
  background: color-mix(in srgb, var(--cc-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--cc-border);
}

.app-header__brand {
  display: flex;
  align-items: center;
  gap: var(--cc-space-2);
  font-weight: var(--cc-weight-bold);
  color: var(--cc-text);
  text-decoration: none;
}

@media (min-width: 1024px) {
  .app-header { display: none; }
}

/* --- Nav drawer ----------------------------------------------------------- */

.app-nav {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: var(--cc-z-nav);
  width: var(--cc-nav-width);
  max-width: 84vw;
  display: flex;
  flex-direction: column;
  padding: var(--cc-space-4);
  background: var(--cc-bg-raised);
  border-right: 1px solid var(--cc-border);
  /* transform only — animating width or left forces layout and janks */
  transform: translateX(-100%);
  transition: transform var(--cc-duration-normal) var(--cc-ease-out);
}

.app-nav[data-open="true"] { transform: translateX(0); }

.app-nav__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--cc-space-5);
}

.app-nav__brand {
  display: flex;
  align-items: center;
  gap: var(--cc-space-2);
  font-weight: var(--cc-weight-bold);
  color: var(--cc-text);
  text-decoration: none;
}

.app-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
}

.app-nav__list a {
  display: block;
  padding: var(--cc-space-3);
  min-height: var(--cc-tap-target-min);
  border-radius: var(--cc-radius-md);
  color: var(--cc-text);
  text-decoration: none;
  font-weight: var(--cc-weight-medium);
  transition: background var(--cc-duration-fast) var(--cc-ease-out);
}

.app-nav__list a:hover { background: var(--cc-bg-sunken); }

.app-nav__foot {
  padding-top: var(--cc-space-4);
  border-top: 1px solid var(--cc-border);
}

.app-nav__scrim {
  position: fixed;
  inset: 0;
  z-index: calc(var(--cc-z-nav) - 1);
  background: rgb(53 41 76 / 0.4);
  backdrop-filter: blur(2px);
}

@media (min-width: 1024px) {
  .app-nav { transform: none; }
  .app-nav__head .icon-btn { display: none; }
  .app-nav__scrim { display: none; }
}