/**
 * ShadowReader - Main Styles
 * Global layout and base component styles
 */

/* ===== App Container ===== */
.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-background);
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(45, 27, 78, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(45, 27, 78, 0.1) 0%, transparent 50%);
  overflow-x: hidden;
  position: relative;
}

/* ===== Main Content ===== */
.main-content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  position: relative;
  z-index: var(--z-content);
}

/* ===== Scrollbar Styling ===== */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: var(--color-brown-dark);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb {
  background: var(--color-purple-deep);
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-brown-dark);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-purple-light);
  box-shadow: var(--glow-candle);
}

/* ===== Utility Classes ===== */
.hidden {
  display: none !important;
}

.invisible {
  visibility: hidden;
  opacity: 0;
}

.visible {
  visibility: visible;
  opacity: 1;
}

.no-scroll {
  overflow: hidden;
}

/* ===== Loading State ===== */
.loading {
  position: relative;
  pointer-events: none;
  opacity: var(--opacity-disabled);
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  margin: -20px 0 0 -20px;
  border: 3px solid var(--color-parchment-dark);
  border-top-color: var(--color-accent);
  border-radius: var(--radius-round);
  animation: spin 1s linear infinite;
}

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

/* ===== Button Base Styles ===== */
button {
  font-family: var(--font-gothic);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-primary);
  transition: var(--transition-all);
}

button:disabled {
  opacity: var(--opacity-disabled);
  cursor: not-allowed;
}

button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ===== Input Base Styles ===== */
input,
textarea,
select {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background-color: var(--color-brown-medium);
  border: var(--border-thin);
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  transition: var(--transition-all);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: var(--glow-candle);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.7;
}

/* ===== Card/Panel Base ===== */
.panel {
  background-color: var(--color-surface);
  border: var(--border-medium);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-deep);
  padding: var(--spacing-lg);
}

/* ===== Ornamental Decorations ===== */
.ornament {
  position: absolute;
  pointer-events: none;
  opacity: 0.6;
}

.ornament-corner {
  width: 60px;
  height: 60px;
}

.ornament-corner-tl {
  top: 0;
  left: 0;
}

.ornament-corner-tr {
  top: 0;
  right: 0;
  transform: scaleX(-1);
}

.ornament-corner-bl {
  bottom: 0;
  left: 0;
  transform: scaleY(-1);
}

.ornament-corner-br {
  bottom: 0;
  right: 0;
  transform: scale(-1);
}

/* ===== Glow Effects ===== */
.glow-hover {
  transition: var(--transition-all);
}

.glow-hover:hover {
  text-shadow: var(--glow-candle);
  filter: brightness(1.2);
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

@keyframes slideOutRight {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(100%);
  }
}

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

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: var(--glow-candle);
  }
  50% {
    box-shadow: var(--glow-candle-intense);
  }
}

/* ===== Accessibility - Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}