/**
 * GPCC Download CTA Component
 * Complete styling for download button and status area
 * Architecture: Scoped with .gpcc-skin, no !important
 */

/* === CTA CONTAINER === */
.gpcc-skin .gpcc-download-cta,
.gpcc-skin .gpcc-cta {
  margin: var(--gap-lg) 0;
  padding: var(--gap);
  background-color: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.gpcc-skin .gpcc-download-wrapper,
.gpcc-skin .gpcc-cta__wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: calc(var(--gap) / 3);
}

/* === DOWNLOAD BUTTON === */
.gpcc-skin .gpcc-download-btn,
.gpcc-skin .gpcc-cta__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 var(--gap-lg);
  font-family: var(--font-family);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: white;
  background-color: var(--action-download);
  border: 2px solid var(--action-download);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  min-width: 200px;
  line-height: 1.2;
}

.gpcc-skin .gpcc-download-btn:hover,
.gpcc-skin .gpcc-cta__btn:hover {
  background-color: var(--action-download-hover);
  border-color: var(--action-download-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.gpcc-skin .gpcc-download-btn:focus,
.gpcc-skin .gpcc-download-btn:focus-visible,
.gpcc-skin .gpcc-cta__btn:focus,
.gpcc-skin .gpcc-cta__btn:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.gpcc-skin .gpcc-download-btn:active,
.gpcc-skin .gpcc-cta__btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

/* === BUSY STATE === */
.gpcc-skin .gpcc-download-btn[aria-busy="true"],
.gpcc-skin .gpcc-download-btn.is-busy,
.gpcc-skin .gpcc-cta__btn[aria-busy="true"],
.gpcc-skin .gpcc-cta__btn.is-busy {
  cursor: progress;
  opacity: 0.8;
  pointer-events: none;
}

.gpcc-skin .gpcc-download-btn[aria-busy="true"]::after,
.gpcc-skin .gpcc-download-btn.is-busy::after,
.gpcc-skin .gpcc-cta__btn[aria-busy="true"]::after,
.gpcc-skin .gpcc-cta__btn.is-busy::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 1rem;
  width: 16px;
  height: 16px;
  margin-top: -8px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-right-color: currentColor;
  border-radius: 50%;
  animation: gpcc-cta-spin 1s linear infinite;
}

@keyframes gpcc-cta-spin {
  to {
    transform: rotate(360deg);
  }
}

/* === DISABLED STATE === */
.gpcc-skin .gpcc-download-btn:disabled,
.gpcc-skin .gpcc-cta__btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
  transform: none;
}

.gpcc-skin .gpcc-download-btn:disabled:hover,
.gpcc-skin .gpcc-cta__btn:disabled:hover {
  transform: none;
  box-shadow: none;
}

/* === STATUS AREA === */
.gpcc-skin .gpcc-download-status,
.gpcc-skin .gpcc-cta__status {
  min-height: 1.5rem;
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
  text-align: center;
  transition: all var(--transition-fast);
  margin-top: calc(var(--gap) / 4);
}

.gpcc-skin .gpcc-download-status:not(:empty),
.gpcc-skin .gpcc-cta__status:not(:empty) {
  padding: calc(var(--gap) / 3) var(--gap);
  background-color: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
}

/* Status message variants */
.gpcc-skin .gpcc-download-status.success,
.gpcc-skin .gpcc-cta__status.success {
  color: var(--success);
  border-color: var(--success);
  background-color: rgba(16, 185, 129, 0.1);
}

.gpcc-skin .gpcc-download-status.error,
.gpcc-skin .gpcc-cta__status.error {
  color: var(--danger);
  border-color: var(--danger);
  background-color: rgba(239, 68, 68, 0.1);
}

.gpcc-skin .gpcc-download-status.warning,
.gpcc-skin .gpcc-cta__status.warning {
  color: var(--warning);
  border-color: var(--warning);
  background-color: rgba(245, 158, 11, 0.1);
}

/* === NOSCRIPT FALLBACK === */
.gpcc-skin .gpcc-download-cta noscript,
.gpcc-skin .gpcc-cta noscript {
  display: block;
  margin-top: var(--gap);
  padding: var(--gap);
  background-color: var(--warning-soft);
  border: 1px solid var(--warning);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: var(--text-sm);
  text-align: center;
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 768px) {
  .gpcc-skin .gpcc-download-cta,
  .gpcc-skin .gpcc-cta {
    margin: var(--gap) calc(var(--gap) * -0.5);
    border-radius: var(--radius-md);
  }
  
  .gpcc-skin .gpcc-download-btn,
  .gpcc-skin .gpcc-cta__btn {
    min-width: 100%;
    max-width: 100%;
    font-size: var(--text-base);
    min-height: 52px;
  }
  
  .gpcc-skin .gpcc-download-status,
  .gpcc-skin .gpcc-cta__status {
    font-size: var(--text-xs);
  }
}

@media (max-width: 576px) {
  .gpcc-skin .gpcc-download-cta,
  .gpcc-skin .gpcc-cta {
    padding: calc(var(--gap) / 1.5);
  }
  
  .gpcc-skin .gpcc-download-btn,
  .gpcc-skin .gpcc-cta__btn {
    padding: 0 var(--gap);
    min-height: 56px;
    font-size: var(--text-lg);
  }
}

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
  .gpcc-skin .gpcc-download-btn,
  .gpcc-skin .gpcc-cta__btn,
  .gpcc-skin .gpcc-download-status,
  .gpcc-skin .gpcc-cta__status {
    transition: none;
  }
  
  .gpcc-skin .gpcc-download-btn:hover,
  .gpcc-skin .gpcc-cta__btn:hover {
    transform: none;
  }
  
  .gpcc-skin .gpcc-download-btn[aria-busy="true"]::after,
  .gpcc-skin .gpcc-download-btn.is-busy::after,
  .gpcc-skin .gpcc-cta__btn[aria-busy="true"]::after,
  .gpcc-skin .gpcc-cta__btn.is-busy::after {
    animation: none;
    border-color: currentColor;
    border-style: dashed;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .gpcc-skin .gpcc-download-btn,
  .gpcc-skin .gpcc-cta__btn {
    border-width: 3px;
  }
  
  .gpcc-skin .gpcc-download-status:not(:empty),
  .gpcc-skin .gpcc-cta__status:not(:empty) {
    border-width: 2px;
  }
}

/* === DARK MODE ADJUSTMENTS === */
@media (prefers-color-scheme: dark) {
  .gpcc-skin .gpcc-download-btn,
  .gpcc-skin .gpcc-cta__btn {
    /* Ensure good contrast on dark backgrounds */
    color: #000000;
    text-shadow: none;
  }
}

/* === PRINT STYLES === */
@media print {
  .gpcc-skin .gpcc-download-cta,
  .gpcc-skin .gpcc-cta {
    break-inside: avoid;
    background: white;
    border-color: #000;
  }
  
  .gpcc-skin .gpcc-download-btn,
  .gpcc-skin .gpcc-cta__btn {
    background: #f0f0f0;
    color: #000;
    border-color: #000;
    box-shadow: none;
  }
  
  .gpcc-skin .gpcc-download-btn::after,
  .gpcc-skin .gpcc-cta__btn::after {
    display: none;
  }
}

/* === LOADING SHIMMER EFFECT === */
.gpcc-skin .gpcc-download-btn.loading,
.gpcc-skin .gpcc-cta__btn.loading {
  background: linear-gradient(
    90deg,
    var(--action-download) 25%,
    var(--action-download-hover) 50%,
    var(--action-download) 75%
  );
  background-size: 200% 100%;
  animation: gpcc-cta-shimmer 2s infinite;
}

@keyframes gpcc-cta-shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gpcc-skin .gpcc-download-btn.loading,
  .gpcc-skin .gpcc-cta__btn.loading {
    animation: none;
    background: var(--action-download);
  }
}