/* ===================================
   KOIARCH UTILITIES & DESIGN SYSTEM
   =================================== */

/* Layout & Container */
.container { max-width: var(--container-max, 1400px); margin: 0 auto; padding: 0 var(--space-4, 16px); }
.full-width { width: 100%; }

/* Flexbox Utilities */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.flex-none { flex: none; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-baseline { align-items: baseline; }
.items-stretch { align-items: stretch; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

/* Grid Utilities */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-auto {(using design tokens) */
.gap-1 { gap: var(--space-1, 4px); }
.gap-2 { gap: var(--space-2, 8px); }
.gap-3 { gap: var(--space-3, 12px); }
.gap-4 { gap: var(--space-4, 16px); }
.gap-5 { gap: var(--space-5, 20px); }
.gap-6 { gap: var(--space-6, 24px); }
.gap-8 { gap: var(--space-8, 32px); }

/* Spacing - Padding (using design tokens) */
.p-0 { padding: 0; }
.p-1 { padding: var(--space-1, 4px); }
.p-2 { padding: var(--space-2, 8px); }
.p-3 { padding: var(--space-3, 12px); }
.p-4 { padding: var(--space-4, 16px); }
.p-5 { padding: var(--space-5, 20px); }
.p-6 { padding: var(--space-6, 24px); }
.p-8 { padding: var(--space-8, 32px); }
.px-2 { padding-left: var(--space-2, 8px); padding-right: var(--space-2, 8px); }
.px-3 { padding-left: var(--space-3, 12px); padding-right: var(--space-3, 12px); }
.px-4 { padding-left: var(--space-4, 16px); padding-right: var(--space-4, 16px); }
.py-2 { padding-top: var(--space-2, 8px); padding-bottom: var(--space-2, 8px); }
.py-3 { padding-top: var(--space-3, 12px); padding-bottom: var(--space-3, 12px); }
.py-4 { padding-top: var(--space-4, 16px); padding-bottom: var(--space-4, 16px); }
.pt-3 { padding-top: var(--space-3, 12px); }
.pt-4 { padding-top: var(--space-4, 16px); }
.pr-2 { padding-right: var(--space-2, 8px); }

/* Spacing - Margin (using design tokens) */
.m-0 { margin: 0; }
.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-2 { margin-top: var(--space-2, 8px); }
.mt-3 { margin-top: var(--space-3, 12px); }
.mt-4 { margin-top: var(--space-4, 16px); }
.mt-6 { margin-top: var(--space-6, 24px); }
.mt-8 { margin-top: var(--space-8, 32px); }
.mb-2 { margin-bottom: var(--space-2, 8px); }
.mb-3 { margin-bottom: var(--space-3, 12px); }
.mb-4 { margin-bottom: var(--space-4, 16px)
.mb-8 { margin-bottom: 8px; }
.mb-14 { margin-bottom: 14px; }
.mb-15 { margin-bottom: 15px; }
.ml-auto { margin-left: auto; }

/* Width & Height */
.w-full { width: 100%; }
.w-40 { width: 40px; }
.w-48 { width: 48px; }
.h-full { height: 100%; }
.h-40 { height: 40px; }
.h-44 { height: 44px; }
.h-48 { height: 48px; }
.min-w-0 { min-width: 0; }
.max-h-74 { max-height: 74px; }

/* Border */
.border { border: 1px solid var(--border); }
.border-t { border-top: 1px solid var(--border); }
.border-su(using design tokens) */
.border { border: 1px solid var(--border); }
.border-t { border-top: 1px solid var(--border); }
.border-subtle { border: 1px solid rgba(255,255,255,.08); }
.border-light { border: 1px solid rgba(255,255,255,.12); }
.border-medium { border: 1px solid rgba(255,255,255,.14); }
.rounded-sm { border-radius: var(--radius-sm, 8px); }
.rounded { border-radius: var(--radius, 12px); }
.rounded-md { border-radius: var(--radius-md, 14px); }
.rounded-lg { border-radius: var(--radius-lg, 16px); }
.rounded-xl { border-radius: var(--radius-xl, 20px); }
.rounded-full { border-radius: var(--radius-full, 9999px) }

/* Background Colors */
.bg-panel { background: var(--panel); }
.bg-panel2 { background: var(--panel2); }
.bg-subtle { background: rgba(255,255,255,.03); }
.bg-light { background: rgba(255,255,255,.06); }
.bg-medium { background: rgba(255,255,255,.08); }
.bg-black-18 { background: rgba(0,0,0,.18); }
.bg-primary-subtle { background: rgba(145,70,255,.18); }
.bg-transparent { background: transparent; }

/* Text Styles */
.text-xs { font-size: 10px; }
.text-sm { font-size: 11px; }
.text-base { font-size: 12px; }
.text-md { font-size: 13px; }
.text-lg { font-size: 14px; }
.text-normal { font-size: 16px; }
.font-normal { font-weight: 400; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-black { font-weight: 900; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--muted); }
.text-white { color: var(--text); }
.text-danger { color: var(--danger); }
.text-error { color: #f44336; }
.text-gray-666 { color: #666; }
.leading-tight { line-height: 1.1; }
.whitespace-nowrap { white-space: nowrap; }
.whitespace-pre-wrap { white-space: pre-wrap; }
.word-break-all { word-break: break-word; }
.overflow-anywhere { overflow-wrap: anywhere; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-ellipsis { overflow: hidden; text-overflow: ellipsis; }

/* Display */
.block { display: block; }
.inline-block { display: inline-block; }
.hidden { display: none; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }

/* Opacity */
.opacity-45 { opacity: 0.45; }
.opacity-60 { opacity: 0.60; }
.opacity-70 { opacity: 0.70; }
.opacity-72 { opacity: 0.72; }
.opacity-75 { opacity: 0.75; }
.opacity-80 { opacity: 0.80; }
.opacity-85 { opacity: 0.85; }

/* Object Fit */
.object-cover { object-fit: cover; }
.object-contain { object-fit: contain; }

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

/* Loading Spinner */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #26262c;
  border-top: 4px solid #667eea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 15px;
}

/* Loading States */
.loading-container {
  text-align: center;
  padding: 40px;
  grid-column: 1 / -1;
}

.loading-message {
  color: #b3b3b3;
}

/* Empty States */
.empty-state {
  text-align: center;
  padding: 40px;
  color: #666;
}

/* Navigation Button States */
.nav-btn-disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* Pager Utilities */
.pager-bottom {
  margin-top: 14px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.pager-end {
  justify-content: flex-end;
}

/* Message/Content Boxes */
.message-box {
  padding: 8px 10px;
  border-radius: 0;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
}

/* Horizontal Rule */
hr.divider {
  margin: 32px 0;
  border-color: var(--border);
}

/* Avatar Styles */
.avatar-sm {
  width: 28px;
  height: 28px;
  border-radius: 0;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
  object-fit: contain;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.avatar-md {
  width: 48px;
  height: 48px;
  border-radius: 0;
  border: 1px solid rgba(255,255,255,.12);
  object-fit: cover;
  background: #000;
}

.avatar-img {
  display: block;
  width: 22px;
  height: 22px;
  object-fit: contain;
}

/* Chip/Badge Styles */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
  font-weight: 900;
  font-size: 12px;
  white-space: nowrap;
}

.chip-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
}

/* Button Styles */
.btn {
  padding: 8px 10px;
  border-radius: 0;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: rgba(239,239,241,.92);
  font-weight: 900;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn:hover {
  background: rgba(255,255,255,.1);
}

.btn-primary {
  background: rgba(145,70,255,.18);
  color: rgba(239,239,241,.95);
}

.btn-primary:hover {
  background: rgba(145,70,255,.28);
}

/* Input Styles */
.input {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 0;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color: rgba(239,239,241,.92);
  outline: none;
  font-size: 14px;
}

.input:focus {
  border-color: rgba(255,255,255,.24);
}

/* Color Picker */
.color-picker {
  width: 100%;
  height: 44px;
  margin-top: 6px;
  border-radius: 0;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  padding: 6px;
  cursor: pointer;
}

/* Layout Helpers */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.section-header h1 {
  margin: 0 0 8px;
}

.section-header p {
  margin: 0;
  color: var(--muted);
}

/* Info Row */
.info-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 10px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
  border-radius: 0;
}

.info-row-label {
  opacity: 0.72;
  font-size: 12px;
}

.info-row-value {
  font-weight: 700;
  font-size: 12px;
  overflow-wrap: anywhere;
  text-align: right;
}

/* Mini Profile / Tooltip Content */
.mp-loading,
.mp-no-data {
  opacity: 0.75;
  font-size: 12px;
  padding: 6px 4px;
}

/* Code/Pre blocks */
pre.code-block {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ===================================
   ADVANCED UTILITIES
   =================================== */

/* Typography Utilities */
.text-xs { font-size: var(--text-xs, 11px); }
.text-sm { font-size: var(--text-sm, 12px); }
.text-base { font-size: var(--text-base, 14px); }
.text-lg { font-size: var(--text-lg, 16px); }
.text-xl { font-size: var(--text-xl, 18px); }
.text-2xl { font-size: var(--text-2xl, 24px); }
.text-3xl { font-size: var(--text-3xl, 32px); }

.font-normal { font-weight: var(--font-normal, 400); }
.font-medium { font-weight: var(--font-medium, 500); }
.font-semibold { font-weight: var(--font-semibold, 600); }
.font-bold { font-weight: var(--font-bold, 700); }
.font-extrabold { font-weight: var(--font-extrabold, 800); }
.font-black { font-weight: var(--font-black, 900); }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }

.tracking-tight { letter-spacing: -0.025em; }
.tracking-normal { letter-spacing: 0; }
.tracking-wide { letter-spacing: 0.025em; }

.leading-tight { line-height: 1.25; }
.leading-normal { line-height: 1.5; }
.leading-relaxed { line-height: 1.75; }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Shadow Utilities */
.shadow-none { box-shadow: none; }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* Transition Utilities */
.transition-fast { transition: all var(--transition-fast); }
.transition { transition: all var(--transition); }
.transition-smooth { transition: all var(--transition-smooth); }
.transition-slow { transition: all var(--transition-slow); }

/* Hover Effects */
.hover-lift:hover {
  transform: translateY(-2px);
}

.hover-scale:hover {
  transform: scale(1.05);
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(145, 70, 255, 0.3);
}

/* Gradient Backgrounds */
.bg-gradient-primary {
  background: var(--gradient-primary);
}

.bg-gradient-secondary {
  background: var(--gradient-secondary);
}

.bg-gradient-rainbow {
  background: var(--gradient-rainbow);
}

/* Gradient Text */
.text-gradient-primary {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-secondary {
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Blur Effects */
.backdrop-blur-sm { backdrop-filter: blur(4px); }
.backdrop-blur { backdrop-filter: blur(8px); }
.backdrop-blur-md { backdrop-filter: blur(12px); }
.backdrop-blur-lg { backdrop-filter: blur(16px); }

/* Z-Index Utilities */
.z-base { z-index: var(--z-base); }
.z-dropdown { z-index: var(--z-dropdown); }
.z-sticky { z-index: var(--z-sticky); }
.z-fixed { z-index: var(--z-fixed); }
.z-modal { z-index: var(--z-modal); }

/* Status Backgrounds */
.bg-success { background: var(--success-bg); border-color: var(--success-border); }
.bg-warning { background: var(--warning-bg); border-color: var(--warning-border); }
.bg-error { background: var(--error-bg); border-color: var(--error-border); }
.bg-info { background: var(--info-bg); border-color: var(--info-border); }

/* Status Text Colors */
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }
.text-info { color: var(--info); }

/* Cursor Utilities */
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }
.cursor-default { cursor: default; }

/* Overflow Utilities */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-scroll { overflow: scroll; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

/* Position Utilities */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Display Utilities */
.block { display: block; }
.inline-block { display: inline-block; }
.hidden { display: none; }

/* Opacity Utilities */
.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

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

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

@keyframes slideDown {
  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); 
  }
}

.animate-fadeIn { animation: fadeIn var(--transition-smooth) ease-out; }
.animate-slideUp { animation: slideUp var(--transition-smooth) ease-out; }
.animate-slideDown { animation: slideDown var(--transition-smooth) ease-out; }
.animate-scaleIn { animation: scaleIn var(--transition-smooth) ease-out; }