/* ============================================================
   tuzama — Global Styles
   Resets, base typography, shared layout utilities, and
   reusable component primitives (buttons, cards, forms, badges).
   All color/spacing values use variables from variables.css.
   ============================================================ */

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

/* Ensure [hidden] always beats any display:flex/block set by component CSS */
[hidden] { display: none !important; }

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100dvh;
}

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

input,
button,
textarea,
select {
  font: inherit;
}

p,
h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

ul,
ol {
  list-style: none;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
}

/* ----------------------------------------------------------
   Base Typography
   ---------------------------------------------------------- */
h1 { font-size: var(--text-4xl); font-weight: var(--font-weight-bold);     line-height: var(--leading-tight);  }
h2 { font-size: var(--text-3xl); font-weight: var(--font-weight-semibold); line-height: var(--leading-tight);  }
h3 { font-size: var(--text-2xl); font-weight: var(--font-weight-semibold); line-height: var(--leading-snug);   }
h4 { font-size: var(--text-xl);  font-weight: var(--font-weight-semibold); line-height: var(--leading-snug);   }
h5 { font-size: var(--text-lg);  font-weight: var(--font-weight-medium);   line-height: var(--leading-snug);   }
h6 { font-size: var(--text-base);font-weight: var(--font-weight-medium);   line-height: var(--leading-normal); }

p { line-height: var(--leading-relaxed); }
small { font-size: var(--text-sm); }

/* ----------------------------------------------------------
   Layout Utilities
   ---------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--container-padding-x);
}

/* Screen-reader only — visually hidden but accessible */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ----------------------------------------------------------
   Button Primitives
   ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  border-radius: var(--radius-base);
  border: 1.5px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  transition:
    background-color var(--transition-fast),
    border-color     var(--transition-fast),
    color            var(--transition-fast),
    box-shadow       var(--transition-fast);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-on-primary);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-text-on-primary);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary-subtle);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: var(--color-surface-alt);
  color: var(--color-text);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}
.btn-sm svg,
.btn-sm i {
  width: 14px;
  height: 14px;
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-md);
}

/* ----------------------------------------------------------
   Card Primitive
   ---------------------------------------------------------- */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

/* ----------------------------------------------------------
   Form Primitives
   ---------------------------------------------------------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.form-input,
.form-select,
.form-textarea {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-base);
  outline: none;
  transition:
    border-color var(--transition-fast),
    box-shadow   var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
}

/* ----------------------------------------------------------
   Badge / Tag Primitive
   ---------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  line-height: 1.5;
  white-space: nowrap;
}

.badge-primary  { background-color: var(--color-primary-subtle);    color: var(--color-primary);        }
.badge-success  { background-color: var(--color-success-bg);         color: var(--color-success);        }
.badge-warning  { background-color: var(--color-warning-bg);         color: var(--color-warning);        }
.badge-error    { background-color: var(--color-error-bg);           color: var(--color-error);          }
.badge-active   { background-color: var(--color-status-active-bg);   color: var(--color-status-active);  }
.badge-taken    { background-color: var(--color-status-taken-bg);    color: var(--color-status-taken);   }
.badge-pending  { background-color: var(--color-status-pending-bg);  color: var(--color-status-pending); }
.badge-flagged  { background-color: var(--color-status-flagged-bg);  color: var(--color-status-flagged); }

/* ----------------------------------------------------------
   Divider
   ---------------------------------------------------------- */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin-block: var(--space-6);
}

/* ----------------------------------------------------------
   Spinner (shared across all pages)
   ---------------------------------------------------------- */
@keyframes tuzama-spin    { to { transform: rotate(360deg) } }
@keyframes tuzama-shimmer {
  from { background-position: -200% 0; }
  to   { background-position:  200% 0; }
}

.spinner {
  width: 28px; height: 28px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: tuzama-spin 0.65s linear infinite;
  margin: var(--space-2) auto 0;
  flex-shrink: 0;
}

/* Skeleton shimmer line — width set inline per usage */
.skeleton-line {
  height: 13px;
  border-radius: var(--radius-full);
  background: linear-gradient(
    90deg,
    var(--color-surface-alt) 25%,
    var(--color-border)      50%,
    var(--color-surface-alt) 75%
  );
  background-size: 400% 100%;
  animation: tuzama-shimmer 1.4s ease infinite;
}

.skeleton-line-sm { height: 11px; }
.skeleton-line-lg { height: 18px; }

/* ----------------------------------------------------------
   Custom Select  (.cselect)
   Replaces native <select> with a fully styled on-site
   dropdown. Shared by post-listing.html and browse.html.
   The native element is kept hidden as the value source.
   ---------------------------------------------------------- */
.cselect {
  position: relative;
  display: block;
  width: 100%;
}

.cselect-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-base);
  font: inherit;
  font-size: var(--text-base);
  color: var(--color-text);
  cursor: pointer;
  text-align: left;
  line-height: var(--leading-normal);
  transition:
    border-color var(--transition-fast),
    box-shadow   var(--transition-fast);
}
.cselect-trigger:hover:not(:disabled) {
  border-color: var(--color-border-strong);
}
.cselect.is-open .cselect-trigger {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-subtle);
}
.cselect-trigger:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-subtle);
}
.cselect-trigger:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.cselect-value {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cselect-value.is-placeholder {
  color: var(--color-text-muted);
}

.cselect-chevron {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform var(--transition-fast);
}
.cselect.is-open .cselect-chevron {
  transform: rotate(180deg);
}

/* ── Pill variant — sort dropdown in browse topbar ── */
.cselect--pill {
  width: auto;
  display: inline-block;
}
.cselect--pill .cselect-trigger {
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  width: auto;
}

/* ── Dropdown panel ── */
.cselect-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  min-width: 160px;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-md);
  z-index: var(--z-dropdown);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 280px;
}

/* ── Search ── */
.cselect-search-wrap {
  position: relative;
  flex-shrink: 0;
  border-bottom: 1px solid var(--color-border);
}
.cselect-search-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  color: var(--color-text-muted);
  pointer-events: none;
}
.cselect-search {
  display: block;
  width: 100%;
  padding: var(--space-2) var(--space-3) var(--space-2) calc(var(--space-3) + 14px + var(--space-2));
  border: none;
  outline: none;
  font: inherit;
  font-size: var(--text-sm);
  color: var(--color-text);
  background: var(--color-surface);
  transition: background var(--transition-fast);
}
.cselect-search::placeholder {
  color: var(--color-text-muted);
}
.cselect-search:focus {
  background: var(--color-primary-subtle);
}

/* ── Option list ── */
.cselect-list {
  overflow-y: auto;
  flex: 1;
  padding: var(--space-1) 0;
  list-style: none;
}
.cselect-option {
  display: block;
  width: 100%;
  padding: var(--space-2) var(--space-4);
  font: inherit;
  font-size: var(--text-sm);
  color: var(--color-text);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  outline: none;
  transition: background var(--transition-fast);
}
.cselect-option:hover,
.cselect-option:focus {
  background: var(--color-surface-alt);
}
.cselect-option.is-selected {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}
.cselect-option.is-placeholder-opt {
  color: var(--color-text-muted);
}

.cselect-empty {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: center;
}