/* Design System & Global Styles for Kortex */
:root {
  /* Colors */
  --bg-primary: hsl(224, 18%, 8%);
  --bg-secondary: hsl(223, 14%, 12%);
  --bg-tertiary: hsl(223, 14%, 16%);
  --bg-glass: rgba(15, 20, 30, 0.65);
  --border-glass: rgba(255, 255, 255, 0.06);
  --border-glass-hover: rgba(255, 255, 255, 0.12);

  --text-main: hsl(210, 40%, 98%);
  --text-muted: hsl(215, 15%, 68%);
  --text-subtle: hsl(215, 10%, 45%);

  --primary: hsl(47, 95%, 50%);
  --primary-glow: hsla(47, 95%, 50%, 0.4);
  --accent: hsl(54, 100%, 50%);
  --accent-glow: hsla(54, 100%, 50%, 0.3);

  --danger: hsl(354, 75%, 55%);
  --success: hsl(145, 65%, 45%);
  --warning: hsl(45, 85%, 50%);

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-title: 'Outfit', var(--font-sans);

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Glassmorphism utility */
.glass-panel {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
}

.glass-panel:hover {
  border-color: var(--border-glass-hover);
}

/* Scrollbar styles */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 10px;
}

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

/* Button Reset & Layouts */
button, input, textarea, select {
  font-family: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
  outline: none;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1); }
}

.animated-fade-in {
  animation: fadeIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* Helper utility for general loading screen and screen toggling */
.hidden {
  display: none !important;
}

#loading-screen {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  width: 100vw;
  background-color: var(--bg-primary);
  color: var(--text-muted);
}

.site-logo {
  width: 90px;
  height: auto;
  margin-bottom: 16px;
  filter: drop-shadow(0 0 10px var(--primary-glow));
  user-select: none;
}