/**
 * VarXiuS SAP - Global Styles
 * Consolidated CSS loaded on every page
 * Includes: base, design tokens, MultiAgent navbar/drawer, icons, accessibility
 */

/* ========================================
 * BASE & RESET
 * ======================================== */

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

:root {
  /* Galaxy Brand Palette */
  --singu-cyan: #00f6ff;
  --singu-cyan-bright: #33f8ff;
  --singu-cyan-dim: #00c4cc;

  --singu-violet: #8b5cf6;
  --singu-violet-bright: #a78bfa;
  --singu-violet-dim: #7c3aed;

  --singu-fuchsia: #d946ef;
  --singu-fuchsia-bright: #e879f9;
  --singu-fuchsia-dim: #c026d3;

  /* Galaxy gradients */
  --galaxy-gradient-primary: linear-gradient(135deg, #00f6ff 0%, #8b5cf6 50%, #d946ef 100%);
  --galaxy-gradient-subtle: linear-gradient(135deg, rgba(0, 246, 255, 0.1) 0%, rgba(139, 92, 246, 0.1) 50%, rgba(217, 70, 239, 0.1) 100%);
  --galaxy-glow-cyan: 0 0 20px rgba(0, 246, 255, 0.3);
  --galaxy-glow-violet: 0 0 20px rgba(139, 92, 246, 0.3);
  --galaxy-glow-fuchsia: 0 0 20px rgba(217, 70, 239, 0.3);

  /* Semantic Colors */
  --singulio-color-primary: var(--singu-cyan);
  --singulio-color-primary-dark: var(--singu-cyan-dim);
  --singulio-color-accent: var(--singu-violet);

  /* Surfaces */
  --singulio-color-bg-dark: #0f1419;
  --singulio-color-bg-medium: #1a1f29;
  --singulio-color-surface: #1f2937;
  --singulio-color-surface-hover: #2d3748;
  --singulio-color-border: #374151;

  /* Text */
  --singulio-color-text-primary: #f3f4f6;
  --singulio-color-text-secondary: #9ca3af;
  --singulio-color-text-tertiary: #6b7280;

  /* Layout */
  --nav-height: 60px;
  --sidebar-width: 280px;
  --sidebar-collapsed-width: 64px;

  /* Motion */
  --motion-duration-fast: 150ms;
  --motion-duration-base: 250ms;
  --motion-duration-slow: 400ms;
  --motion-ease-standard: cubic-bezier(0.4, 0.0, 0.2, 1);
}

html {
  font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--singulio-color-bg-dark);
  color: var(--singulio-color-text-primary);
  overflow-x: hidden;
}

/* ========================================
 * LAYOUT
 * ======================================== */

.sap-layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.sap-app {
  display: grid;
  grid-template-areas:
    "navbar navbar"
    "sidebar main";
  grid-template-rows: var(--nav-height) 1fr;
  grid-template-columns: auto 1fr;
  min-height: 100vh;
}

.sap-main {
  grid-area: main;
  margin-top: var(--nav-height);
  transition: margin-left var(--motion-duration-base) var(--motion-ease-standard);
  margin-left: 0;
  min-height: calc(100vh - var(--nav-height));
}

.sap-main.drawer-standard {
  margin-left: var(--sidebar-width);
}

.sap-main.drawer-icon-only {
  margin-left: var(--sidebar-collapsed-width);
}

.sap-content-wrapper {
  padding: 2rem;
  max-width: 1600px;
  margin: 0 auto;
}

/* ========================================
 * TYPOGRAPHY
 * ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--singulio-color-text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
}

a {
  color: var(--singulio-color-primary);
  text-decoration: none;
  transition: color var(--motion-duration-fast) var(--motion-ease-standard);
}

a:hover {
  color: var(--singu-cyan-bright);
}

/* ========================================
 * BUTTONS
 * ======================================== */

button {
  font-family: inherit;
  cursor: pointer;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: all var(--motion-duration-fast) var(--motion-ease-standard);
  border: none;
}

.btn-primary {
  background: var(--galaxy-gradient-primary);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--galaxy-glow-cyan);
}

.btn-secondary {
  background: var(--singulio-color-surface);
  color: var(--singulio-color-text-primary);
  border: 1px solid var(--singulio-color-border);
}

.btn-secondary:hover {
  background: var(--singulio-color-surface-hover);
  border-color: var(--singulio-color-primary);
}

/* ========================================
 * CARDS
 * ======================================== */

.card {
  background: var(--singulio-color-surface);
  border: 1px solid var(--singulio-color-border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  transition: all var(--motion-duration-base) var(--motion-ease-standard);
}

.card:hover {
  border-color: var(--singulio-color-primary);
  box-shadow: var(--galaxy-glow-cyan);
}

/* ========================================
 * UTILITY CLASSES
 * ======================================== */

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

.text-cyan { color: var(--singu-cyan); }
.text-violet { color: var(--singu-violet); }
.text-fuchsia { color: var(--singu-fuchsia); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }

.hidden { display: none; }

/* ========================================
 * SCROLLBAR STYLING
 * ======================================== */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--singulio-color-bg-medium);
}

::-webkit-scrollbar-thumb {
  background: var(--singulio-color-border);
  border-radius: 4px;
}

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

/* ========================================
 * 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-width: 0;
}

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

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

/* ========================================
 * RESPONSIVE
 * ======================================== */

@media (max-width: 768px) {
  .sap-content-wrapper {
    padding: 1rem;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }

  .sap-main.drawer-standard,
  .sap-main.drawer-icon-only {
    margin-left: 0;
  }
}

/* ========================================
 * LOADING STATES
 * ======================================== */

.loading {
  position: relative;
  pointer-events: none;
  opacity: 0.6;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--singulio-color-primary);
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 0.6s linear infinite;
}

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

/* ========================================
 * THEME SUPPORT (Dark/Light)
 * ======================================== */

[data-theme="light"] {
  --singulio-color-bg-dark: #ffffff;
  --singulio-color-bg-medium: #f3f4f6;
  --singulio-color-surface: #ffffff;
  --singulio-color-surface-hover: #f9fafb;
  --singulio-color-border: #e5e7eb;
  --singulio-color-text-primary: #111827;
  --singulio-color-text-secondary: #6b7280;
  --singulio-color-text-tertiary: #9ca3af;
}