/* Base resets remain */
html, body { margin: 0; padding: 0; }

/* Body defaults */
body {
  background-color: var(--color-bg-page);
  color: var(--color-text);
  font-family: var(--font-family-body);
  font-weight: var(--weight-regular);
  font-size: var(--font-size-1);
  line-height: var(--line-height-body);
}

/* Headings use display font */
h1, h2, h3 {
  color: var(--color-accent);
  font-family: var(--font-family-display);
  line-height: var(--line-height-tight);
  margin: var(--space-2) 0 var(--space-1);
}

h1 { font-size: var(--font-size-4); font-weight: var(--weight-bold); }
h2 { font-size: var(--font-size-3); font-weight: var(--weight-bold); }
h3 { font-size: var(--font-size-2); font-weight: var(--weight-bold); }

/* Links */
a { color: var(--color-link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Cards */
.card {
  background-color: var(--color-card-bg);
  border: var(--border-1);
  border-radius: var(--radius-1);
  padding: var(--space-2) var(--space-3);
}

.props {
  display: grid;
  grid-template-columns: max-content 1fr;
  column-gap: var(--space-4);
  row-gap: var(--space-2);
}
.props dt { font-weight: 600; color: var(--color-accent); }
.props dd { margin: 0; }

.title {
  padding: var(--space-2) var(--space-3);
  margin: var(--space-2) 0;
}


.rule-top {
  border-top: var(--border-thick);
  padding-top: var(--space-1);
}

.icon-text {
  display: flex;
  flex-direction: row;
}

svg.icon {
  display: inline;
  height: 1em;
  width: 1em;
  vertical-align: text-bottom;
  fill: currentColor;
  
}

/* --- Header layout --- */
.app-header {
  position: sticky;
  top: 0;
  display: grid;
  grid-template-columns: auto auto 1fr; /* brand | toggle | nav fills remaining */
  align-items: center;
  gap: var(--space-4);
  height: var(--header-h);
  padding: var(--space-1) var(--space-3);
  background: var(--header-bg);
  color: var(--header-text);
  background-color: var(--color-bg-page);
}

.app-header .brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5ch;
  font-weight: 700;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4ch;
  font-size: 0.95em;
  opacity: 0.9;
  justify-self: start;      
}

.top-nav {
  display: flex;
  gap: var(--space-4);
  justify-self: end;        
}

.app-header a {
  color: inherit;
  text-decoration: none;
}


/* Page container */
.page {
  max-width: var(--container-max);
  margin: 0 var(--space-2);
}

/* 12-col grid */
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-4);
}

.span-12 { grid-column: span 12; }
.span-9  { grid-column: span 9; }
.span-8  { grid-column: span 8; }
.span-6  { grid-column: span 6; }
.span-4  { grid-column: span 4; }
.span-3  { grid-column: span 3; }

form {
  display: grid;
  gap: var(--space-3);
}

/* Stack label text and control */
label {
  display: grid;
  gap: var(--space-1);
  color: var(--color-text);
  font-size: var(--font-size-1);
}

/* Optional helper text inside labels */
label small,
.form-hint {
  color: var(--color-muted, #6b7280);
  font-size: 0.9em;
}

/* Text inputs, selects, textareas */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="number"],
input[type="url"],
select,
textarea {
  appearance: none;
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: var(--border-1);
  border-radius: var(--radius-1);
  background: var(--color-card-bg);
  color: var(--color-text);
  line-height: 1.25;
  outline: none;
}

/* Focus state using accent color */
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="search"]:focus,
input[type="number"]:focus,
input[type="url"]:focus,
select:focus,
textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-accent) 35%, transparent);
}

/* Invalid state (if you add .is-invalid to the control) */
.is-invalid {
  border-color: var(--color-error, #b00020);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-error, #b00020) 30%, transparent);
}

/* Buttons */
button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5ch;
  padding: 0.55rem 0.9rem;
  font-weight: var(--weight-bold);
  border-radius: var(--radius-1);
  border: 1px solid transparent;
  background: var(--color-accent);
  color: var(--color-text-on-accent, #fff);
  cursor: pointer;
  text-decoration: none;
}

button:hover,
.button:hover {
  filter: brightness(1.03);
}

button:disabled,
.button[aria-disabled="true"] {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Secondary / outline style if needed */
.button--outline {
  background: transparent;
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.button--outline:hover {
  background: color-mix(in srgb, var(--color-accent) 10%, transparent);
}

/* Actions row under forms */
.form-actions {
  display: flex;
  gap: var(--space-2);
  justify-content: flex-start;
}

/* Error message block */
.form-error,
.error {
  color: var(--color-error, #b00020);
  border: 1px solid var(--color-error, #b00020);
  background: color-mix(in srgb, var(--color-error, #b00020) 12%, transparent);
  padding: var(--space-2);
  border-radius: var(--radius-1);
}

@media (max-width: 1200px) {
  .grid { grid-template-columns: repeat(8, 1fr); }
  .span-9 { grid-column: span 8; }
  .span-8 { grid-column: span 8; }
  .span-6 { grid-column: span 4; } /* halves on 8-col */
  .span-4 { grid-column: span 4; }
  .span-3 { grid-column: span 4; } /* 3 -> ~4 on 8-col */
}

@media (max-width: 720px) {
  .app-header { grid-template-columns: 1fr 1fr; row-gap: var(--space-2); height: auto; padding: var(--space-4); }
  .top-nav { justify-content: end; }

  .grid { grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
  .span-12, .span-9, .span-8, .span-6, .span-4, .span-3 { grid-column: span 4; }

  .page { padding: var(--space-4); }

  form {
    gap: var(--space-2);
  }
  label {
    gap: 0.35rem;
  }
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5ch;
  font-size: 0.95em;
  opacity: 0.9;
}

.theme-toggle input {
  inline-size: 1.1em;
  block-size: 1.1em;
}