/* ========================================
   SOCIETY ARTS - BASE STYLES
   Reset and shared styles
   Version: 2.0
   ======================================== */

/* ======== RESET ======== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body, #root {
  height: 100%;
  width: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-sans);
  background: var(--color-background);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ======== ELEMENTS ======== */
a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: var(--font-sans);
  cursor: pointer;
}

input, select, textarea {
  font-family: var(--font-sans);
}

/* ======== SCROLLBAR ======== */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-medium);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-light);
}

/* ======== ANIMATIONS ======== */
@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

@keyframes listening-pulse {
  0%, 100% { 
    transform: scale(1); 
    box-shadow: 0 0 0 0 rgba(199, 91, 63, 0.4); 
  }
  50% { 
    transform: scale(1.05); 
    box-shadow: 0 0 0 12px rgba(199, 91, 63, 0); 
  }
}

@keyframes speaking-wave {
  0%, 100% { transform: scale(1); }
  25% { transform: scale(1.1); }
  50% { transform: scale(1); }
  75% { transform: scale(1.08); }
}

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

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

@keyframes slideInLeft {
  from { 
    opacity: 0;
    transform: translateX(-100%);
  }
  to { 
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOutLeft {
  from { 
    opacity: 1;
    transform: translateX(0);
  }
  to { 
    opacity: 0;
    transform: translateX(-100%);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ======== UTILITY CLASSES ======== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Text alignment */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Flexbox */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }

/* Gaps */
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ======== PAGE LAYOUT ======== */
.page-container {
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-background);
}

.main-content {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* ======== TYPOGRAPHY ======== */
.heading-serif {
  font-family: var(--font-serif);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
}

.heading-xl {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: var(--weight-normal);
  letter-spacing: var(--tracking-wider);
  line-height: var(--leading-tight);
}

.heading-lg {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
}

.heading-md {
  font-family: var(--font-serif);
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
}

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

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

.text-accent {
  color: var(--color-accent);
}

/* ======== LOADING STATE ======== */
.loading-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}