/* PosterPro Base UI Styles (thin layer over utility classes)
   Keep minimal: only global resets + token-driven defaults. */

html, body {
  font-family: var(--pp-font-ui);
  background: var(--pp-bg);
  color: var(--pp-text);
}

/* Links */
a {
  color: var(--pp-link);
}
a:hover {
  color: var(--pp-link-hover);
}

/* Focus visibility */
:focus-visible {
  outline: 2px solid var(--pp-focus);
  outline-offset: 2px;
}

/* Helper utilities (optional, used sparingly) */
.pp-surface {
  background: var(--pp-surface);
  border: 1px solid var(--pp-border);
}
.pp-surface-glass {
  background: var(--pp-surface-glass);
  border: 1px solid var(--pp-border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.pp-card-shadow {
  box-shadow: var(--pp-shadow-card);
}
.pp-card-shadow:hover {
  box-shadow: var(--pp-shadow-card-hover);
}
.pp-modal-shadow {
  box-shadow: var(--pp-shadow-modal);
}

/* ========================================
   STANDARDIZED COMPONENTS
   ======================================== */

/* Buttons */
.pp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--pp-font-ui);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.5;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  white-space: nowrap;
}

/* Primary Button - Pill (marketing) or XL (app/modals) */
.pp-btn-primary {
  background: var(--pp-grad-cta);
  color: white;
  border-radius: var(--pp-radius-pill);
  padding: 1rem 2rem;
  box-shadow: 0 4px 16px rgba(24, 127, 232, 0.3);
}

.pp-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(24, 127, 232, 0.4);
  filter: brightness(1.05);
}

.pp-btn-primary:active {
  transform: translateY(0);
}

/* Primary Button XL variant (for app/modals) */
.pp-btn-primary-xl {
  background: var(--pp-grad-cta);
  color: white;
  border-radius: var(--pp-radius-xl);
  padding: 1rem 2rem;
  box-shadow: 0 4px 16px rgba(24, 127, 232, 0.3);
}

.pp-btn-primary-xl:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(24, 127, 232, 0.4);
  filter: brightness(1.05);
}

/* Secondary Button - Outline */
.pp-btn-secondary {
  background: transparent;
  color: var(--pp-text);
  border: 2px solid var(--pp-border);
  border-radius: var(--pp-radius-xl);
  padding: 0.875rem 1.75rem;
}

.pp-btn-secondary:hover {
  background: var(--pp-neutral-50) !important;
  border-color: var(--pp-neutral-300);
  color: var(--pp-text) !important; /* Ensure text remains readable on hover */
}

html.dark .pp-btn-secondary:hover {
  background: var(--pp-neutral-800) !important;
  color: var(--pp-text) !important; /* Ensure text remains readable on hover in dark mode */
}

/* Secondary Button - Soft Surface */
.pp-btn-secondary-soft {
  background: var(--pp-neutral-100);
  color: var(--pp-text);
  border: 1px solid var(--pp-border);
  border-radius: var(--pp-radius-xl);
  padding: 0.875rem 1.75rem;
}

.pp-btn-secondary-soft:hover {
  background: var(--pp-neutral-200);
  border-color: var(--pp-neutral-300);
}

/* Destructive Button */
.pp-btn-destructive {
  background: transparent;
  color: var(--pp-error-500);
  border: 2px solid var(--pp-error-500);
  border-radius: var(--pp-radius-xl);
  padding: 0.875rem 1.75rem;
}

.pp-btn-destructive:hover {
  background: var(--pp-error-500);
  color: white;
}

/* Button Sizes */
.pp-btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.pp-btn-lg {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
}

/* Button States */
.pp-btn:disabled,
.pp-btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Cards */
.pp-card {
  background: var(--pp-surface);
  border: 1px solid var(--pp-border);
  border-radius: var(--pp-radius-xl);
  box-shadow: var(--pp-shadow-card);
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.pp-card:hover {
  box-shadow: var(--pp-shadow-card-hover);
}

/* Glass Card (only over animated/graphic backgrounds) */
.pp-card-glass {
  background: var(--pp-surface-glass);
  border: 1px solid var(--pp-border);
  border-radius: var(--pp-radius-xl);
  box-shadow: var(--pp-shadow-card);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.pp-card-glass:hover {
  box-shadow: var(--pp-shadow-card-hover);
}

/* Premium Card (brand-blend gradient) */
.pp-card-premium {
  background: var(--pp-grad-brand);
  border: 1px solid var(--pp-border);
  border-radius: var(--pp-radius-xl);
  box-shadow: var(--pp-shadow-card);
  padding: 1.5rem;
  color: white;
  transition: all 0.3s ease;
}

.pp-card-premium:hover {
  box-shadow: var(--pp-shadow-card-hover);
}

/* Inputs */
.pp-input {
  width: 100%;
  background: var(--pp-surface);
  border: 1px solid var(--pp-border);
  border-radius: var(--pp-radius-xl);
  padding: 0.875rem 1rem;
  font-family: var(--pp-font-ui);
  font-size: 0.95rem;
  color: var(--pp-text);
  transition: all 0.3s ease;
}

.pp-input:focus {
  outline: none;
  border-color: var(--pp-primary-500);
  box-shadow: 0 0 0 3px rgba(24, 127, 232, 0.1);
}

.pp-input::placeholder {
  color: var(--pp-text-muted);
}

.pp-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--pp-neutral-100);
}

/* Input with leading icon */
.pp-input-with-icon {
  padding-left: 2.5rem;
}

.pp-input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--pp-text-muted);
  pointer-events: none;
}

/* Input Group */
.pp-input-group {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pp-input-label {
  font-family: var(--pp-font-ui);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--pp-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ========================================
   DARK MODE-AWARE UTILITIES
   ======================================== */

/* Page background (body/main sections) */
.pp-bg-page {
  background: var(--pp-bg);
}

/* Section background (cards, panels, sections) */
.pp-bg-section {
  background: var(--pp-surface);
}

/* Alternating section (for visual rhythm) */
.pp-bg-section-alt {
  background: var(--pp-neutral-50);
}

html.dark .pp-bg-section-alt {
  background: var(--pp-neutral-900);
}

/* Text colors */
.pp-text-primary {
  color: var(--pp-text);
}

.pp-text-secondary {
  color: var(--pp-text-secondary);
}

.pp-text-muted {
  color: var(--pp-text-muted);
}

/* Hover states */
.pp-hover-surface:hover {
  background: var(--pp-neutral-50);
}

html.dark .pp-hover-surface:hover {
  background: var(--pp-neutral-800);
}