/* ============================================================
   SKY JIU JITSU — Gift Cards Page
   ============================================================ */

/* Force all elements to respect their container */
.gc-builder *,
.gc-builder *::before,
.gc-builder *::after {
  box-sizing: border-box;
}

/* ====================
   BUILDER LAYOUT
   ==================== */

.gc-builder {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
  max-width: 100%;
  overflow: hidden;
}

.gc-form-wrap {
  width: 100%;
  min-width: 0; /* prevent grid blowout */
}

/* ====================
   LIVE CARD PREVIEW
   ==================== */

.gc-preview-wrap {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-lg));
  perspective: 1000px;
  width: 100%;
  min-width: 0;
}

.gc-card {
  background: linear-gradient(145deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  color: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow:
    0 20px 60px rgba(15, 52, 96, 0.4),
    0 4px 16px rgba(0, 0, 0, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: transform var(--duration-slow) var(--ease-out);
  aspect-ratio: 1.6 / 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 100%;
}

.gc-card:hover {
  transform: rotateY(-3deg) rotateX(2deg) scale(1.02);
}

.gc-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.03) 40%, rgba(255,255,255,0.08) 50%, rgba(255,255,255,0.03) 60%, transparent 100%);
  pointer-events: none;
}

.gc-card::after {
  content: '';
  position: absolute;
  bottom: -20%;
  right: -10%;
  width: 70%;
  height: 60%;
  background: radial-gradient(ellipse, rgba(58,110,165,0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.gc-card__top {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.gc-card__logo { border-radius: 6px; }

.gc-card__brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: var(--ls-display);
  opacity: 0.9;
}

.gc-card__amount {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: 0.02em;
  line-height: 1;
  transition: all var(--duration-normal) var(--ease-spring);
}

.gc-card__label {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: var(--ls-heading);
  opacity: 0.7;
  margin-top: -0.25rem;
}

.gc-card__recipient {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 500;
  opacity: 0.85;
}

.gc-card__recipient.is-placeholder { opacity: 0.4; font-style: italic; }

.gc-card__message {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-style: italic;
  opacity: 0.5;
  max-height: 2.5em;
  overflow: hidden;
}

.gc-card__message.is-placeholder { opacity: 0.25; }

.gc-card__code {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: auto;
  padding-top: var(--space-xs);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.gc-card__code-text {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.15em;
  opacity: 0.35;
}

.gc-card__code-note {
  font-size: 0.65rem;
  opacity: 0.25;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ====================
   AMOUNT SELECTOR
   ==================== */

.gc-amounts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
  width: 100%;
}

.gc-amount {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: var(--ls-display);
  padding: var(--space-sm) var(--space-3xs);
  border: 2px solid var(--border-medium);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  text-align: center;
  min-width: 0;
  white-space: nowrap;
}

.gc-amount:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.gc-amount.is-selected {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #ffffff;
  box-shadow: var(--shadow-cta);
}

.gc-amount--custom {
  grid-column: 1 / -1; /* span full width */
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--ls-tag);
  padding: var(--space-xs) var(--space-sm);
}

/* Custom amount input */
.gc-custom-wrap {
  display: none;
  margin-bottom: var(--space-md);
  width: 100%;
}

.gc-custom-wrap.is-visible { display: block; }

.gc-custom-input-wrap { position: relative; width: 100%; }

.gc-custom-input-wrap::before {
  content: '$';
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--text-muted);
  pointer-events: none;
}

.gc-custom-input {
  font-family: var(--font-display);
  font-size: 1.25rem;
  width: 100%;
  padding: var(--space-sm) var(--space-md) var(--space-sm) calc(var(--space-md) + 1rem);
  border: 2px solid var(--accent-blue);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-primary);
  box-sizing: border-box;
}

.gc-custom-input:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-blue-glow);
}

.gc-custom-hint {
  font-size: var(--fs-tag);
  color: var(--text-muted);
  margin-top: var(--space-3xs);
}

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

.gc-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: 100%;
}

.gc-form .form-group {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  width: 100%;
}

.gc-form .form-group label {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: var(--ls-tag);
}

.gc-form .form-group input,
.gc-form .form-group textarea,
.gc-form .form-group select {
  font-family: var(--font-body);
  font-size: 16px; /* prevents iOS zoom */
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-primary);
  width: 100%;
  box-sizing: border-box;
  -webkit-appearance: none;
  appearance: none;
}

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

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

.gc-form .form-group textarea {
  resize: vertical;
  min-height: 60px;
}

.gc-optional {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-muted);
}

.gc-char-count {
  position: absolute;
  bottom: var(--space-xs);
  right: var(--space-sm);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.gc-divider {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: var(--space-xs) 0;
}

.gc-form__error {
  color: #B91C1C;
  font-size: var(--fs-small);
  min-height: 0;
  line-height: var(--lh-body);
}

.gc-form__error:not(:empty) {
  padding: var(--space-2xs) var(--space-sm);
  background: rgba(185,28,28,0.06);
  border-left: 3px solid #B91C1C;
  border-radius: var(--radius-sm);
}

.gc-submit {
  width: 100%;
  margin-top: var(--space-xs);
}

.gc-submit:disabled { opacity: 0.6; cursor: not-allowed; }

.gc-form__footnote {
  text-align: center;
  font-size: var(--fs-tag);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* ====================
   RESPONSIVE — TABLET (under 900px)
   ==================== */

@media (max-width: 900px) {
  .gc-builder {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .gc-preview-wrap {
    position: static;
    max-width: 380px;
    margin: 0 auto;
    width: 100%;
  }

  .gc-card:hover { transform: none; }

  .gc-amounts {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ====================
   RESPONSIVE — SMALL TABLET (under 640px)
   ==================== */

@media (max-width: 640px) {
  .gc-amounts {
    grid-template-columns: repeat(2, 1fr);
  }

  .gc-amount--custom {
    grid-column: 1 / -1;
  }

  .gc-preview-wrap {
    max-width: 100%;
  }

  .gc-card {
    aspect-ratio: 1.5 / 1;
    padding: var(--space-md);
  }

  .gc-card__amount { font-size: 2.5rem; }
  .gc-card__label { font-size: 1.2rem; }
  .gc-card__brand { font-size: 1rem; }
}

/* ====================
   RESPONSIVE — MOBILE (under 480px)
   ==================== */

@media (max-width: 480px) {
  .gc-card {
    aspect-ratio: auto;
    min-height: 200px;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-lg);
  }

  .gc-card__top {
    gap: var(--space-2xs);
  }

  .gc-card__logo {
    width: 28px;
    height: 28px;
  }

  .gc-card__brand { font-size: 0.9rem; }
  .gc-card__amount { font-size: 2rem; }
  .gc-card__label { font-size: 1rem; margin-top: 0; }
  .gc-card__recipient { font-size: var(--fs-small); }
  .gc-card__message { font-size: var(--fs-tag); }
  .gc-card__code-text { font-size: var(--fs-tag); letter-spacing: 0.1em; }
  .gc-card__code-note { font-size: 0.6rem; }

  .gc-amount {
    font-size: 1.25rem;
    padding: var(--space-xs) var(--space-3xs);
  }

  .gc-custom-input {
    font-size: 1rem;
  }

  .gc-custom-input-wrap::before {
    font-size: 1rem;
  }
}

/* ====================
   RESPONSIVE — VERY SMALL (under 360px)
   ==================== */

@media (max-width: 360px) {
  .gc-card {
    min-height: 180px;
    padding: var(--space-xs) var(--space-sm);
  }

  .gc-card__amount { font-size: 1.75rem; }
  .gc-card__label { font-size: 0.9rem; }

  .gc-amount {
    font-size: 1.1rem;
    padding: var(--space-2xs) var(--space-3xs);
  }
}