/* =========================
   qrcgen.com – DEMO PAGE
   Page-specific styles
   ========================= */

.hero {
  text-align: center;
  padding: var(--space-6) 0;
}

.hero__title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: var(--fw-bold);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 var(--space-3);
}

.hero__subtitle {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 40ch;
  margin: 0 auto;
}

/* Generator layout */
.generator {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: start;
}

@media (max-width: 768px) {
  .generator {
    grid-template-columns: 1fr;
  }
}

/* Form */
.form-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-field .input,
.form-field .textarea,
.form-field .select {
  width: 100%;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-hint {
  font-size: var(--fs-xs);
  color: var(--text-subtle);
  line-height: 1.45;
  margin: 0;
}

.form-actions {
  display: flex;
  gap: var(--inline-gap);
  flex-wrap: wrap;
}

/* Preview */
.preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

/* QR preview card: hatch pattern fills the whole card */
.preview .card {
  background: #FFFFFF url("data:image/svg+xml,%3Csvg width='6' height='6' viewBox='0 0 6 6' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%230055DC' fill-opacity='0.4' fill-rule='evenodd'%3E%3Cpath d='M5 0h1L0 6V5zM6 5v1H5z'/%3E%3C/g%3E%3C/svg%3E");
}

:root[data-theme="dark"] .preview .card {
  background: var(--bg-soft) url("data:image/svg+xml,%3Csvg width='6' height='6' viewBox='0 0 6 6' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%234DA3FF' fill-opacity='0.15' fill-rule='evenodd'%3E%3Cpath d='M5 0h1L0 6V5zM6 5v1H5z'/%3E%3C/g%3E%3C/svg%3E");
}

.preview__canvas {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.preview__canvas svg {
  width: 100%;
  max-width: 260px;
  height: auto;
  display: block;
}

.preview__canvas--empty {
  /* hide pattern on empty state */
}

.preview .card:has(.preview__canvas--empty) {
  background: var(--card-bg);
}

:root[data-theme="dark"] .preview .card:has(.preview__canvas--empty) {
  background: var(--card-bg);
}

.preview__placeholder {
  color: var(--text-subtle);
  font-size: var(--fs-sm);
  text-align: center;
  padding: var(--space-4);
}

.preview__actions {
  display: flex;
  gap: var(--inline-gap);
  flex-wrap: wrap;
}

/* API URL display — input-style field with inline copy icon */
.api-url {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--panel);
  border: var(--border-1) solid var(--input-border);
  border-radius: var(--r-field);
  padding: var(--control-pad-y) var(--control-pad-x);
  transition: border-color var(--transition-md);
}

.api-url:hover {
  border-color: var(--border-strong);
}

.api-url__text {
  flex: 1;
  min-width: 0;
  font-family: ui-monospace, "Cascadia Code", "Fira Code", monospace;
  font-size: var(--fs-sm);
  color: var(--text-muted);
  word-break: break-all;
  line-height: 1.4;
  user-select: all;
}

/* Features section */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.feature {
  text-align: center;
  padding: var(--space-4);
}

.feature__icon {
  font-size: 2rem;
  margin-bottom: var(--space-2);
}

.feature__title {
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  margin: 0 0 var(--space-1);
}

.feature__text {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

/* Footer */
.footer {
  text-align: center;
  padding: var(--space-6) 0;
  color: var(--text-subtle);
  font-size: var(--fs-sm);
  border-top: 1px solid var(--border-subtle);
  margin-top: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

@media (max-width: 768px) {
  .footer {
    flex-direction: column;
    gap: var(--space-3);
  }
}

.footer__sep {
  color: var(--text-subtle);
}

@media (max-width: 768px) {
  .footer__sep {
    display: none;
  }
}

.footer a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer a:hover {
  color: var(--text-main);
}

.footer__links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.footer__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
}

.footer__powered {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  margin: 0;
  color: var(--text-subtle);
}

/* Theme toggle */
.theme-toggle {
  position: fixed;
  top: var(--space-4);
  right: max(var(--space-4), calc((100vw - 1200px) / 2 + var(--space-5)));
  z-index: var(--z-elevated);
}