@use 'variables' as *;

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --vh: 1vh;
}

// Fix mobile viewport height (address bar)
@supports (height: 100dvh) {
  :root {
    --vh: 1dvh;
  }
}

// Theme transition (applied programmatically on toggle, not on load)
html.theme-transitioning,
html.theme-transitioning *,
html.theme-transitioning *::before,
html.theme-transitioning *::after {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease,
              box-shadow 0.3s ease, fill 0.3s ease, stroke 0.3s ease !important;
}

html, body, #app {
  height: 100%;
  width: 100%;
  overflow: hidden;
}

body {
  font-family: $font-ui;
  background-color: $bg-primary;
  color: $text-primary;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

code, pre, .mono {
  font-family: $font-code;
}

a {
  color: $accent-primary;
  text-decoration: none;

  &:hover {
    color: $accent-hover;
  }
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: $border-color;
  border-radius: 3px;

  &:hover {
    background: $text-muted;
  }
}

::selection {
  background: rgba(var(--accent-primary-rgb), 0.3);
}

// Shared page header
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 21px 20px;
  border-bottom: 1px solid $border-color;
  flex-shrink: 0;
}

.header-title {
  font-size: 16px;
  font-weight: 600;
  color: $text-primary;
}

// Responsive utility classes for inline width replacement
.input-sm { width: 90px; }
.input-md { width: 200px; }
.input-lg { width: 300px; }

// Mobile drawer backdrop
.mobile-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 999;
}

// Hamburger button (mobile only)
.hamburger-btn {
  display: none;
  position: fixed;
  top: 16px;
  left: 12px;
  z-index: 1001;
  width: 36px;
  height: 36px;
  border: none;
  background: $bg-card;
  border-radius: $radius-sm;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

// Mobile responsive
@media (max-width: $breakpoint-mobile) {
  .mobile-backdrop {
    display: block;
  }

  .hamburger-btn {
    display: flex;
  }

  .page-header {
    padding: 16px 12px 16px 52px;
  }

  .input-sm,
  .input-md,
  .input-lg {
    width: 100%;
  }
}