/* ============================================================
   LX COMPONENTS — Primitive building blocks
   BEM convention: lx-{block}__{element}--{modifier}
   ============================================================ */

/* ============================================================
   CONTAINER — Layout root
   ============================================================ */
.lx-container {
  width: 100%;
  max-width: var(--lx-container-2xl); /* 1440px — modern geniş ekran */
  margin-inline: auto;
  padding-inline: var(--lx-container-padding-x);
}

.lx-container--sm  { max-width: var(--lx-container-sm); }
.lx-container--md  { max-width: var(--lx-container-md); }
.lx-container--lg  { max-width: var(--lx-container-lg); }
.lx-container--xl  { max-width: var(--lx-container-xl); }
.lx-container--2xl { max-width: var(--lx-container-2xl); }
.lx-container--3xl { max-width: var(--lx-container-3xl); }
.lx-container--full{ max-width: 100%; }

/* ============================================================
   SECTION — Vertical rhythm wrapper
   ============================================================ */
.lx-section {
  position: relative;
  padding-block: var(--lx-section-y-md);
}

.lx-section--sm { padding-block: var(--lx-section-y-sm); }
.lx-section--lg { padding-block: var(--lx-section-y-lg); }
.lx-section--flush-top    { padding-top: 0; }
.lx-section--flush-bottom { padding-bottom: 0; }

.lx-section__header {
  text-align: center;
  margin-bottom: var(--lx-space-12);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--lx-space-4);
}

.lx-section__header--start {
  text-align: start;
  align-items: flex-start;
}

.lx-section__title {
  font-size: var(--lx-text-h2);
  font-weight: var(--lx-font-weight-bold);
  line-height: var(--lx-leading-tight);
}

.lx-section__lead {
  font-size: var(--lx-text-md);
  color: var(--lx-text-secondary);
  max-width: 60ch;
  line-height: var(--lx-leading-relaxed);
}

/* ============================================================
   GRID — Responsive helpers (sınırlı, niyetli)
   ============================================================ */
.lx-grid {
  display: grid;
  gap: var(--lx-space-6);
}

.lx-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.lx-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.lx-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.lx-grid--6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

.lx-grid--auto-sm { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.lx-grid--auto-md { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.lx-grid--auto-lg { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }

.lx-grid--gap-sm { gap: var(--lx-space-3); }
.lx-grid--gap-lg { gap: var(--lx-space-10); }
.lx-grid--gap-xl { gap: var(--lx-space-16); }

@media (max-width: 1024px) {
  .lx-grid--3,
  .lx-grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lx-grid--6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .lx-grid--2,
  .lx-grid--3,
  .lx-grid--4 { grid-template-columns: 1fr; }
  .lx-grid--6 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ============================================================
   BUTTON — lx-btn (3 variants × 3 sizes)
   ============================================================ */
.lx-btn {
  --btn-py:  var(--lx-space-3);
  --btn-px:  var(--lx-space-6);
  --btn-fs:  var(--lx-text-base);
  --btn-radius: var(--lx-radius-lg);

  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--lx-space-2);
  padding: var(--btn-py) var(--btn-px);
  font-family: var(--lx-font-body);
  font-size: var(--btn-fs);
  font-weight: var(--lx-font-weight-semibold);
  letter-spacing: var(--lx-tracking-wide);
  line-height: 1;
  white-space: nowrap;
  border-radius: var(--btn-radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  user-select: none;
  isolation: isolate;
  overflow: hidden;
  transition: transform var(--lx-transition-spring),
              box-shadow var(--lx-transition-base),
              background var(--lx-transition-base),
              color var(--lx-transition-fast);
}

.lx-btn:disabled,
.lx-btn[aria-disabled='true'] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.lx-btn__icon {
  width: 1.1em;
  height: 1.1em;
  flex-shrink: 0;
  transition: transform var(--lx-transition-base);
}

.lx-btn:hover .lx-btn__icon--arrow { transform: translateX(3px); }
.lx-btn:hover .lx-btn__icon--arrow-up { transform: translateY(-3px); }

/* — SIZES — */
.lx-btn--sm { --btn-py: var(--lx-space-2); --btn-px: var(--lx-space-4); --btn-fs: var(--lx-text-sm); }
.lx-btn--lg { --btn-py: var(--lx-space-4); --btn-px: var(--lx-space-8); --btn-fs: var(--lx-text-md); }
.lx-btn--xl { --btn-py: var(--lx-space-5); --btn-px: var(--lx-space-10); --btn-fs: var(--lx-text-lg); }

/* — VARIANT: PRIMARY (gradient + glow, imza buton) — */
.lx-btn--primary {
  background: linear-gradient(135deg,
    var(--lx-color-primary-700) 0%,
    var(--lx-color-primary-500) 100%);
  background-size: 200% 100%;
  background-position: 0% 50%;
  color: #fff;
  box-shadow:
    0 4px 12px rgba(37, 99, 235, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.lx-btn--primary::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(135deg,
    var(--lx-color-primary-500),
    var(--lx-color-glow));
  opacity: 0;
  z-index: -1;
  filter: blur(14px);
  transition: opacity var(--lx-transition-base);
}

.lx-btn--primary:hover {
  background-position: 100% 50%;
  transform: translateY(-2px);
  box-shadow:
    0 8px 24px rgba(37, 99, 235, 0.50),
    0 0 40px rgba(80, 227, 255, 0.20),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
  color: #fff;
}

.lx-btn--primary:hover::before { opacity: 0.7; }

.lx-btn--primary:active {
  transform: translateY(0);
  box-shadow:
    0 2px 6px rgba(37, 99, 235, 0.40),
    inset 0 1px 2px rgba(0, 0, 0, 0.20);
}

/* — VARIANT: SECONDARY (glassmorphism) — */
.lx-btn--secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--lx-border-base);
  color: var(--lx-text-primary);
  backdrop-filter: var(--lx-backdrop-glass);
  -webkit-backdrop-filter: var(--lx-backdrop-glass);
}

.lx-btn--secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--lx-border-strong);
  transform: translateY(-2px);
  box-shadow: var(--lx-shadow-lg);
  color: var(--lx-text-primary);
}

/* — VARIANT: GHOST (text-only with hover background) — */
.lx-btn--ghost {
  background: transparent;
  color: var(--lx-text-secondary);
  padding-inline: var(--lx-space-3);
}

.lx-btn--ghost:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--lx-text-primary);
}

/* — VARIANT: GLOW (cyan accent — kullanım sıkı sınırlı) — */
.lx-btn--glow {
  background: var(--lx-surface-elevated);
  color: var(--lx-color-glow);
  border: 1px solid var(--lx-border-glow);
  box-shadow:
    inset 0 0 20px rgba(80, 227, 255, 0.10),
    0 0 20px rgba(80, 227, 255, 0.15);
  text-shadow: 0 0 12px rgba(80, 227, 255, 0.6);
}

.lx-btn--glow:hover {
  background: rgba(80, 227, 255, 0.08);
  box-shadow:
    inset 0 0 30px rgba(80, 227, 255, 0.20),
    0 0 40px rgba(80, 227, 255, 0.40);
  transform: translateY(-2px);
  color: var(--lx-color-glow-soft);
}

/* — Icon-only round button — */
.lx-btn--icon {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border-radius: var(--lx-radius-full);
}

.lx-btn--icon.lx-btn--lg { width: 3rem;   height: 3rem; }
.lx-btn--icon.lx-btn--sm { width: 2rem;   height: 2rem; }

/* ============================================================
   CARD — lx-card (3 variants)
   ============================================================ */
.lx-card {
  position: relative;
  background: var(--lx-surface-elevated);
  border: 1px solid var(--lx-border-subtle);
  border-radius: var(--lx-radius-xl);
  padding: var(--lx-space-6);
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--lx-transition-spring),
              border-color var(--lx-transition-base),
              box-shadow var(--lx-transition-base);
}

.lx-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.03) 0%,
    transparent 60%);
  pointer-events: none;
  z-index: -1;
}

.lx-card:hover {
  transform: translateY(-4px);
  border-color: var(--lx-border-base);
  box-shadow: var(--lx-shadow-xl);
}

.lx-card__title {
  font-size: var(--lx-text-xl);
  font-weight: var(--lx-font-weight-semibold);
  margin-bottom: var(--lx-space-3);
  color: var(--lx-text-primary);
  line-height: var(--lx-leading-snug);
}

.lx-card__description,
.lx-card__body {
  color: var(--lx-text-secondary);
  font-size: var(--lx-text-base);
  line-height: var(--lx-leading-relaxed);
}

.lx-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--lx-radius-lg);
  background: linear-gradient(135deg,
    rgba(59, 130, 246, 0.12),
    rgba(80, 227, 255, 0.06));
  color: var(--lx-color-primary-300);
  margin-bottom: var(--lx-space-5);
  border: 1px solid var(--lx-border-brand);
  transition: all var(--lx-transition-base);
}

.lx-card:hover .lx-card__icon {
  background: linear-gradient(135deg,
    rgba(59, 130, 246, 0.20),
    rgba(80, 227, 255, 0.10));
  color: var(--lx-color-glow);
  box-shadow: var(--lx-glow-sm);
  transform: scale(1.05);
}

.lx-card__footer {
  margin-top: var(--lx-space-6);
  padding-top: var(--lx-space-5);
  border-top: 1px solid var(--lx-border-subtle);
}

/* — VARIANT: GLASS — */
.lx-card--glass {
  background: rgba(17, 30, 59, 0.55);
  border-color: var(--lx-border-base);
  backdrop-filter: var(--lx-backdrop-glass);
  -webkit-backdrop-filter: var(--lx-backdrop-glass);
}

/* — VARIANT: FEATURED (glow border, daha "öne çıkan") — */
.lx-card--featured {
  background: var(--lx-surface-elevated);
  border-color: var(--lx-border-brand);
  box-shadow: var(--lx-glow-sm);
}

.lx-card--featured::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg,
    var(--lx-color-primary-500) 0%,
    var(--lx-color-glow) 50%,
    var(--lx-color-primary-500) 100%);
  background-size: 200% 200%;
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  animation: lx-gradient-flow 6s linear infinite;
  pointer-events: none;
  z-index: 1;
}

/* — VARIANT: ELEVATED (highest surface, modal-like) — */
.lx-card--elevated {
  background: var(--lx-surface-raised);
  border-color: var(--lx-border-base);
  box-shadow: var(--lx-shadow-xl);
}

/* — VARIANT: BARE (padding ve border yok, custom layout için) — */
.lx-card--bare {
  background: transparent;
  border: none;
  padding: 0;
}
.lx-card--bare:hover { transform: none; box-shadow: none; }

/* ============================================================
   INPUT / TEXTAREA / SELECT — lx-input
   ============================================================ */
.lx-field {
  display: flex;
  flex-direction: column;
  gap: var(--lx-space-2);
  margin-bottom: var(--lx-space-4);
}

.lx-field__label {
  font-size: var(--lx-text-sm);
  font-weight: var(--lx-font-weight-medium);
  color: var(--lx-text-secondary);
  letter-spacing: var(--lx-tracking-wide);
}

.lx-field__hint {
  font-size: var(--lx-text-xs);
  color: var(--lx-text-muted);
}

.lx-field__error {
  font-size: var(--lx-text-xs);
  color: var(--lx-color-danger);
}

.lx-input,
.lx-textarea,
.lx-select {
  width: 100%;
  padding: var(--lx-space-3) var(--lx-space-4);
  font-family: var(--lx-font-body);
  font-size: var(--lx-text-base);
  color: var(--lx-text-primary);
  background: var(--lx-surface-deep);
  border: 1px solid var(--lx-border-base);
  border-radius: var(--lx-radius-lg);
  transition: border-color var(--lx-transition-fast),
              box-shadow var(--lx-transition-base),
              background var(--lx-transition-base);
  outline: none;
}

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

.lx-input:hover,
.lx-textarea:hover,
.lx-select:hover {
  border-color: var(--lx-border-strong);
}

.lx-input:focus,
.lx-textarea:focus,
.lx-select:focus {
  border-color: var(--lx-color-primary-500);
  background: var(--lx-surface-base);
  box-shadow:
    0 0 0 3px rgba(59, 130, 246, 0.18),
    0 0 20px rgba(59, 130, 246, 0.12);
}

.lx-textarea {
  min-height: 8rem;
  resize: vertical;
  line-height: var(--lx-leading-relaxed);
}

.lx-select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: var(--lx-space-10);
}

/* Checkbox / radio (custom, accessible) */
.lx-checkbox,
.lx-radio {
  display: inline-flex;
  align-items: center;
  gap: var(--lx-space-2);
  cursor: pointer;
  font-size: var(--lx-text-sm);
  color: var(--lx-text-secondary);
}

.lx-checkbox input,
.lx-radio input {
  appearance: none;
  width: 1.125rem;
  height: 1.125rem;
  border: 1px solid var(--lx-border-strong);
  background: var(--lx-surface-deep);
  cursor: pointer;
  display: grid;
  place-content: center;
  transition: all var(--lx-transition-fast);
}
.lx-checkbox input { border-radius: var(--lx-radius-sm); }
.lx-radio    input { border-radius: var(--lx-radius-full); }

.lx-checkbox input:checked,
.lx-radio    input:checked {
  background: var(--lx-color-primary-600);
  border-color: var(--lx-color-primary-500);
}

.lx-checkbox input:checked::before {
  content: '';
  width: 0.625rem;
  height: 0.625rem;
  background-color: #fff;
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
}

.lx-radio input:checked::before {
  content: '';
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #fff;
}

/* ============================================================
   BADGE — lx-badge (status pill)
   ============================================================ */
.lx-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--lx-space-2);
  padding: var(--lx-space-1) var(--lx-space-3);
  font-size: var(--lx-text-xs);
  font-weight: var(--lx-font-weight-semibold);
  letter-spacing: var(--lx-tracking-wide);
  border-radius: var(--lx-radius-full);
  background: var(--lx-surface-elevated);
  color: var(--lx-text-secondary);
  border: 1px solid var(--lx-border-base);
  line-height: 1;
  white-space: nowrap;
}

.lx-badge--brand   { background: rgba(37, 99, 235, 0.12);  color: var(--lx-color-primary-300); border-color: var(--lx-border-brand); }
.lx-badge--glow    { background: rgba(80, 227, 255, 0.08); color: var(--lx-color-glow);        border-color: var(--lx-border-glow); }
.lx-badge--success { background: rgba(74, 222, 128, 0.10); color: var(--lx-color-success);     border-color: rgba(74, 222, 128, 0.30); }
.lx-badge--warn    { background: rgba(251, 191, 36, 0.10); color: var(--lx-color-warn);        border-color: rgba(251, 191, 36, 0.30); }
.lx-badge--danger  { background: rgba(244, 63, 94, 0.10);  color: var(--lx-color-danger);      border-color: rgba(244, 63, 94, 0.30); }

/* ============================================================
   STAT — lx-stat (sayı + label)
   ============================================================ */
.lx-stat {
  display: flex;
  flex-direction: column;
  gap: var(--lx-space-2);
  padding: var(--lx-space-6);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--lx-border-subtle);
  border-radius: var(--lx-radius-xl);
  text-align: center;
  transition: transform var(--lx-transition-spring),
              border-color var(--lx-transition-base),
              background var(--lx-transition-base);
}

.lx-stat:hover {
  transform: translateY(-4px);
  border-color: var(--lx-border-brand);
  background: rgba(59, 130, 246, 0.04);
}

.lx-stat__value {
  font-family: var(--lx-font-display);
  font-size: clamp(2.5rem, 4vw + 1rem, 4rem);
  font-weight: var(--lx-font-weight-bold);
  line-height: 1;
  letter-spacing: var(--lx-tracking-tighter);
  background: var(--lx-gradient-text);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.lx-stat__label {
  font-size: var(--lx-text-sm);
  color: var(--lx-text-tertiary);
  letter-spacing: var(--lx-tracking-wide);
  font-weight: var(--lx-font-weight-medium);
}

/* ============================================================
   ICON — lx-icon (SVG sprite consumer)
   Usage: <svg class="lx-icon"><use href="/images/icons/lx-sprite.svg#facebook"/></svg>
   ============================================================ */
.lx-icon {
  display: inline-block;
  width: 1.25em;
  height: 1.25em;
  vertical-align: -0.15em;
  fill: currentColor;
  flex-shrink: 0;
}

.lx-icon--sm { width: 1em;   height: 1em; }
.lx-icon--lg { width: 1.5em; height: 1.5em; }
.lx-icon--xl { width: 2em;   height: 2em; }

/* ============================================================
   CHIP — lx-chip (filterable tag)
   ============================================================ */
.lx-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--lx-space-2);
  padding: var(--lx-space-2) var(--lx-space-4);
  background: var(--lx-surface-elevated);
  border: 1px solid var(--lx-border-base);
  border-radius: var(--lx-radius-full);
  font-size: var(--lx-text-sm);
  color: var(--lx-text-secondary);
  cursor: pointer;
  transition: all var(--lx-transition-fast);
}

.lx-chip:hover {
  border-color: var(--lx-border-brand);
  color: var(--lx-text-primary);
  background: rgba(59, 130, 246, 0.06);
}

.lx-chip--active {
  background: var(--lx-color-primary-600);
  color: #fff;
  border-color: var(--lx-color-primary-500);
  box-shadow: var(--lx-glow-sm);
}

/* ============================================================
   TOAST — Geçici bildirim (cart.js showToast() kullanır)
   ============================================================ */
.toast-message {
  position: fixed;
  top: var(--lx-space-5);
  right: var(--lx-space-5);
  display: flex;
  align-items: center;
  gap: var(--lx-space-3);
  min-width: 280px;
  max-width: min(420px, calc(100vw - var(--lx-space-8)));
  padding: var(--lx-space-4) var(--lx-space-5);
  background: var(--lx-surface-elevated);
  border: 1px solid var(--lx-border-base);
  border-left: 3px solid var(--lx-color-primary-500);
  border-radius: var(--lx-radius-lg);
  color: var(--lx-text-primary);
  font-size: var(--lx-text-sm);
  font-weight: var(--lx-font-weight-medium);
  box-shadow: var(--lx-shadow-xl), var(--lx-glow-sm);
  z-index: var(--lx-z-toast);
  opacity: 0;
  transform: translateX(120%);
  transition: opacity var(--lx-transition-base),
              transform var(--lx-transition-spring);
  pointer-events: none;
}

.toast-message.show {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.toast-message > svg,
.toast-message > i {
  width: 22px;
  height: 22px;
  font-size: var(--lx-text-lg);
  flex-shrink: 0;
}

.toast-message.success { border-left-color: var(--lx-color-success); }
.toast-message.success > svg,
.toast-message.success > i { color: var(--lx-color-success); }

.toast-message.error { border-left-color: var(--lx-color-danger); }
.toast-message.error > svg,
.toast-message.error > i { color: var(--lx-color-danger); }

.toast-message.warning { border-left-color: var(--lx-color-warn); }
.toast-message.warning > svg,
.toast-message.warning > i { color: var(--lx-color-warn); }

.toast-message.info { border-left-color: var(--lx-color-glow); }
.toast-message.info > svg,
.toast-message.info > i { color: var(--lx-color-glow); }

@media (max-width: 480px) {
  .toast-message {
    top: auto;
    bottom: var(--lx-space-5);
    left: var(--lx-space-4);
    right: var(--lx-space-4);
    min-width: 0;
    max-width: none;
    transform: translateY(120%);
  }
  .toast-message.show { transform: translateY(0); }
}