/**
 * Components
 * ----
 * Wiederverwendbare UI-Komponenten.
 */

/* ========================================
   BUTTON
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  line-height: 1;
  border-radius: var(--radius-full);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  text-decoration: none;
  white-space: nowrap;
  min-height: 48px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Primary — Chili-Orange */
.btn--primary {
  background: var(--color-accent);
  color: white;
}

.btn--primary:hover:not(:disabled) {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.btn--primary:active:not(:disabled) {
  transform: translateY(0);
}

/* Secondary — Outline */
.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.btn--secondary:hover:not(:disabled) {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}

/* Ghost */
.btn--ghost {
  background: transparent;
  color: var(--color-text);
  padding-inline: var(--space-4);
}

.btn--ghost:hover:not(:disabled) {
  background: var(--color-bg-subtle);
  color: var(--color-accent);
}

/* Size variants */
.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  min-height: 36px;
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
  min-height: 56px;
}

/* ========================================
   HEADER / NAVIGATION
   ======================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(250, 247, 242, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
  gap: var(--space-6);
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.site-header__brand-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
}

.site-header__brand-logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.site-header__nav {
  display: none;
  gap: var(--space-8);
}

@media (min-width: 900px) {
  .site-header__nav {
    display: flex;
  }
}

.site-header__nav a {
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  position: relative;
  padding-block: var(--space-2);
}

.site-header__nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1.5px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-normal) var(--ease-out);
}

.site-header__nav a:hover::after,
.site-header__nav a.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.cart-badge {
  position: relative;
}

/* ========================================
   BETA-BANNER (Hinweis: Seite im Aufbau)
   ======================================== */

.beta-banner {
  position: sticky;
  top: 0;
  z-index: calc(var(--z-sticky) + 10);
  background: repeating-linear-gradient(
    45deg,
    #1a1f2e,
    #1a1f2e 10px,
    #242a3d 10px,
    #242a3d 20px
  );
  color: #f0ece5;
  border-bottom: 2px solid var(--color-accent);
}

.beta-banner__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.beta-banner__tag {
  display: inline-flex;
  padding: 3px 10px;
  background: var(--color-accent);
  color: #fff;
  font-size: 10px;
  font-weight: var(--weight-bold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.beta-banner__text {
  font-size: var(--text-sm);
  line-height: var(--leading-snug);
  color: rgba(240, 236, 229, 0.92);
}

.beta-banner__text strong {
  color: #fff;
}

.beta-banner__text a {
  color: var(--color-secondary);
  font-weight: var(--weight-semibold);
  text-decoration: none;
  white-space: nowrap;
}

.beta-banner__text a:hover { text-decoration: underline; }

/* Für sehr kleine Screens: Banner mehrzeilig ordentlich halten */
@media (max-width: 480px) {
  .beta-banner__inner {
    padding: var(--space-2) var(--space-3);
  }
  .beta-banner__text { font-size: var(--text-xs); }
}

/* ========================================
   REFERRAL BANNER (Auto-Apply-Hinweis)
   ======================================== */

.referral-banner {
  position: sticky;
  top: 0;
  z-index: calc(var(--z-sticky) + 1);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: linear-gradient(90deg, var(--color-accent) 0%, #8c2510 100%);
  color: white;
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  animation: referralBannerIn 400ms var(--ease-out);
}

.referral-banner strong {
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.referral-banner__close {
  background: transparent;
  color: white;
  font-size: 1.4rem;
  line-height: 1;
  opacity: 0.8;
  cursor: pointer;
}

.referral-banner__close:hover { opacity: 1; }

.referral-banner.is-leaving {
  animation: referralBannerOut 400ms var(--ease-in-out) forwards;
}

@keyframes referralBannerIn {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}

@keyframes referralBannerOut {
  to { transform: translateY(-100%); opacity: 0; }
}

.cart-badge__count {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--color-accent);
  color: white;
  font-size: 11px;
  font-weight: var(--weight-bold);
  min-width: 18px;
  height: 18px;
  padding-inline: 5px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ========================================
   FOOTER
   ======================================== */

.site-footer {
  background: var(--color-bg-dusk);
  color: var(--color-text-on-dusk);
  padding-block: var(--space-20) var(--space-8);
  margin-top: var(--space-32);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}

@media (min-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.site-footer h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-on-dusk);
  opacity: 0.7;
  margin-bottom: var(--space-4);
}

.site-footer a {
  color: var(--color-text-on-dusk);
  display: block;
  padding-block: var(--space-2);
  opacity: 0.85;
}

.site-footer a:hover {
  opacity: 1;
  color: var(--color-secondary);
}

.site-footer__legal {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-sm);
  opacity: 0.6;
}

/* ========================================
   CARD
   ======================================== */

.card {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  border: 1px solid var(--color-border);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: transparent;
}

/* ========================================
   MENU ITEM CARD
   ======================================== */

.menu-item {
  display: grid;
  grid-template-rows: auto 1fr auto;
  cursor: pointer;
}

.menu-item__image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-bg-subtle);
}

.menu-item__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.menu-item:hover .menu-item__image img {
  transform: scale(1.05);
}

.menu-item__body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.menu-item__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
}

.menu-item__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-medium);
  line-height: var(--leading-snug);
  color: var(--color-text);
}

.menu-item__name-zh {
  font-family: var(--font-chinese);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: block;
  margin-top: 2px;
}

.menu-item__price {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-accent);
  white-space: nowrap;
  font-feature-settings: 'tnum';
}

.menu-item__description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}

.menu-item__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 3px var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  background: var(--color-bg-subtle);
  color: var(--color-text-muted);
}

.tag--accent { background: var(--color-accent-soft); color: var(--color-accent); }
.tag--veg { background: #e8f3e8; color: #3a6b3a; }
.tag--hot { background: #fde5dc; color: var(--color-accent); }
.tag--new { background: var(--color-text); color: var(--color-bg); }

/* Chili-Peppers für Spice-Level */
.spice-level {
  display: inline-flex;
  gap: 2px;
}

.spice-level__pepper {
  color: var(--color-accent);
  font-size: var(--text-sm);
}

/* ========================================
   FORM ELEMENTS
   ======================================== */

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

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

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  line-height: 1.4;
  color: var(--color-text);
  background: var(--color-bg-elevated);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
  min-height: 48px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.form-input::placeholder {
  color: var(--color-text-subtle);
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
  padding-block: var(--space-2);
}

.form-checkbox input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--color-accent);
  flex-shrink: 0;
}

.form-checkbox__label {
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  color: var(--color-text-muted);
}

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

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

/* ========================================
   SECTION HEADER
   ======================================== */

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-header__eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section-header__title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-4);
}

.section-header__description {
  max-width: 540px;
  margin-inline: auto;
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}