/* === BrainHelmut Utility Classes === */
/* Tailwind-artige Klassen fuer konsistentes Styling ohne inline-CSS */
/* Import-Reihenfolge: base → utilities → glass → layout → chat → screens → magic */

/* ===== DISPLAY ===== */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.block { display: block; }
.inline-block { display: inline-block; }
.hidden { display: none !important; }

/* ===== FLEX ===== */
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.flex-grow { flex-grow: 1; }

/* ===== ALIGN ===== */
.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-around { justify-content: space-around; }
.justify-end { justify-content: flex-end; }
.self-center { align-self: center; }

/* ===== GAP ===== */
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-5 { gap: 20px; }
.gap-6 { gap: 24px; }

/* ===== PADDING ===== */
.p-0 { padding: 0; }
.p-1 { padding: 4px; }
.p-2 { padding: 8px; }
.p-3 { padding: 12px; }
.p-4 { padding: 16px; }
.p-5 { padding: 20px; }
.p-6 { padding: 24px; }
.px-2 { padding-left: 8px; padding-right: 8px; }
.px-3 { padding-left: 12px; padding-right: 12px; }
.px-4 { padding-left: 16px; padding-right: 16px; }
.py-1 { padding-top: 4px; padding-bottom: 4px; }
.py-2 { padding-top: 8px; padding-bottom: 8px; }
.py-3 { padding-top: 12px; padding-bottom: 12px; }
.pt-2 { padding-top: 8px; }
.pt-3 { padding-top: 12px; }
.pb-2 { padding-bottom: 8px; }
.pb-4 { padding-bottom: 16px; }

/* ===== MARGIN ===== */
.m-0 { margin: 0; }
.m-auto { margin: auto; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-5 { margin-top: 20px; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mx-auto { margin-left: auto; margin-right: auto; }
.ml-auto { margin-left: auto; }

/* ===== WIDTH / HEIGHT ===== */
.w-full { width: 100%; }
.w-auto { width: auto; }
.h-full { height: 100%; }
.min-w-0 { min-width: 0; }
.min-h-0 { min-height: 0; }
.max-w-sm { max-width: 400px; }
.max-w-md { max-width: 500px; }
.max-w-lg { max-width: 600px; }
.max-w-xl { max-width: 700px; }

/* ===== TEXT ===== */
.text-xs { font-size: 10px; }
.text-sm { font-size: 12px; }
.text-base { font-size: 14px; }
.text-md { font-size: 15px; }
.text-lg { font-size: 16px; }
.text-xl { font-size: 18px; }
.text-2xl { font-size: 20px; }
.text-3xl { font-size: 24px; }
.text-4xl { font-size: 28px; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }
.tracking-wide { letter-spacing: 0.5px; }
.tracking-wider { letter-spacing: 1px; }
.leading-tight { line-height: 1.3; }
.leading-normal { line-height: 1.5; }
.leading-relaxed { line-height: 1.7; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.whitespace-nowrap { white-space: nowrap; }
.break-words { word-break: break-word; }
.font-mono { font-family: monospace; }

/* ===== FARBEN (BrainHelmut Palette) ===== */
.text-gold { color: var(--gold); }
.text-dim { color: var(--text2); }
.text-muted { color: var(--text2); }
.text-primary { color: var(--text); }
.text-green { color: var(--green); }
.text-red { color: var(--red); }
.text-blue { color: var(--blue); }
.bg-glass { background: var(--glass); }
.bg-elevated { background: var(--elevated); }
.bg-surface { background: var(--surface); }
.bg-gold-soft { background: var(--gold-soft); }

/* ===== BORDER ===== */
.border { border: 1px solid var(--border); }
.border-gold { border-color: var(--gold); }
.border-glass { border: 1px solid var(--glass-border); }
.border-none { border: none; }
.border-b { border-bottom: 1px solid var(--border); }
.border-t { border-top: 1px solid var(--border); }
.rounded { border-radius: var(--r); }
.rounded-lg { border-radius: var(--r-lg); }
.rounded-full { border-radius: 50%; }
.rounded-sm { border-radius: 8px; }
.rounded-xl { border-radius: 20px; }

/* ===== OVERFLOW ===== */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow-y: auto; }
.overflow-x-auto { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.scroll-touch { -webkit-overflow-scrolling: touch; }

/* ===== POSITION ===== */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.inset-0 { inset: 0; }
.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }
.z-100 { z-index: 100; }

/* ===== CURSOR / INTERACTION ===== */
.cursor-pointer { cursor: pointer; }
.select-none { user-select: none; }
.pointer-events-none { pointer-events: none; }
.no-tap-highlight { -webkit-tap-highlight-color: transparent; }

/* ===== TRANSITIONS ===== */
.transition { transition: all 0.15s ease; }
.transition-colors { transition: color 0.15s, background-color 0.15s, border-color 0.15s; }
.transition-transform { transition: transform 0.15s; }
.duration-200 { transition-duration: 0.2s; }
.duration-300 { transition-duration: 0.3s; }

/* ===== OPACITY ===== */
.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-70 { opacity: 0.7; }
.opacity-100 { opacity: 1; }

/* ===== BACKDROP ===== */
.backdrop-blur { backdrop-filter: blur(var(--blur)); -webkit-backdrop-filter: blur(var(--blur)); }
.backdrop-blur-sm { backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.backdrop-blur-lg { backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); }

/* ===== SHADOW ===== */
.shadow { box-shadow: var(--shadow); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-none { box-shadow: none; }

/* ===== GRID ===== */
.grid-cols-1 { grid-template-columns: 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); }

/* ===== ACTIVE/HOVER STATES ===== */
.hover\:gold:hover { color: var(--gold); }
.hover\:border-gold:hover { border-color: var(--gold); }
.hover\:bg-elevated:hover { background: var(--elevated); }
.active\:scale-95:active { transform: scale(0.95); }
.active\:scale-98:active { transform: scale(0.98); }

/* ===== SCROLLBAR ===== */
.scrollbar-none { scrollbar-width: none; }
.scrollbar-none::-webkit-scrollbar { display: none; }

/* ===== SR-ONLY (Accessibility) ===== */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}