/* ============================================================
   TREZZON STORE — CORE TOKENS (Light + Dark + Auto)
   ------------------------------------------------------------
   Single source of truth for ALL color / spacing / typography
   vars. v6 polish: cyberpunk dark + WCAG-AA light + glass tokens.
   ------------------------------------------------------------
   Naming convention:
     --clr-*    semantic brand & status colors
     --bg-*     surface backgrounds
     --txt-*    text foregrounds
     --border-* divider strokes
     --shadow-* elevation
     --glass-*  glassmorphism (semi-transparent + blur)
     --cyber-*  neon glow accents (dark mode flavour)
     --sp-*     spacing scale (4px-based)
     --radius-* corner radii
     --z-*      stacking levels
   ============================================================ */

:root {
  /* ============================================================
     === LIGHT MODE (default) ===================================
     A clean off-white base with violet brand. Text contrasts at
     WCAG-AA against every surface token below.
     ============================================================ */

  /* Brand & status — shared between light + dark */
  --clr-primary:        #6C63FF;
  --clr-primary-dark:   #5A52D4;
  --clr-primary-light:  #8B85FF;
  --clr-primary-glow:   rgba(108, 99, 255, 0.25);
  --clr-accent:         #FF6584;
  --clr-accent-glow:    rgba(255, 101, 132, 0.30);
  --clr-success:        #22C55E;
  --clr-success-dark:   #16A34A;
  --clr-warning:        #F59E0B;
  --clr-warning-dark:   #D97706;
  --clr-danger:         #EF4444;
  --clr-danger-dark:    #DC2626;
  --clr-info:           #38BDF8;

  /* Light surfaces */
  --bg-base:            #F8F9FF;
  --bg-surface:         #FFFFFF;
  --bg-surface-2:       #F0F1F9;
  --bg-surface-3:       #E8E9F4;
  --bg-overlay:         rgba(255, 255, 255, 0.85);
  --bg-modal-backdrop:  rgba(15, 14, 43, 0.55);
  --bg-pattern-dot:     rgba(15, 14, 43, 0.08);
  --border-color:       #E4E6F0;
  --border-strong:      #C7CADD;
  --border-subtle:      rgba(15, 14, 43, 0.06);

  /* Light text — bumped contrast for AA */
  --txt-primary:        #0F0E2B;
  --txt-secondary:      #4A4870; /* was #555471 — +contrast against #FFFFFF (now 7.8:1) */
  --txt-muted:          #6E6C92; /* was #9694B4 — readable on cards (now 4.8:1) */
  --txt-inverse:        #FFFFFF;
  --txt-on-primary:     #FFFFFF;
  --txt-link:           var(--clr-primary-dark);
  --txt-link-hover:     var(--clr-primary);

  /* Light shadows */
  --shadow-sm:   0 1px 4px rgba(15, 14, 43, 0.06);
  --shadow-md:   0 4px 16px rgba(15, 14, 43, 0.10);
  --shadow-lg:   0 8px 32px rgba(15, 14, 43, 0.14);
  --shadow-xl:   0 16px 64px rgba(15, 14, 43, 0.18);
  --shadow-glow: 0 0 24px rgba(108, 99, 255, 0.35);

  /* Status surfaces */
  --bg-success-soft: rgba(34, 197, 94, 0.12);
  --bg-warning-soft: rgba(245, 158, 11, 0.12);
  --bg-danger-soft:  rgba(239, 68, 68, 0.10);
  --bg-info-soft:    rgba(56, 189, 248, 0.12);

  /* Glassmorphism — used by cards, modals, headers */
  --glass-bg:           rgba(255, 255, 255, 0.72);
  --glass-bg-strong:    rgba(255, 255, 255, 0.88);
  --glass-border:       rgba(15, 14, 43, 0.08);
  --glass-blur:         16px;
  --glass-blur-strong:  24px;

  /* Cyberpunk glow — barely visible in light, dialled up in dark */
  --cyber-glow-purple:  0 0 12px rgba(108, 99, 255, 0.20);
  --cyber-glow-pink:    0 0 12px rgba(255, 101, 132, 0.18);
  --cyber-glow-blue:    0 0 12px rgba(56, 189, 248, 0.20);

  /* Focus ring — accessible across both themes */
  --focus-ring:         0 0 0 3px rgba(108, 99, 255, 0.45);
  --focus-ring-danger:  0 0 0 3px rgba(239, 68, 68, 0.45);

  /* Scrollbar */
  --scroll-thumb:       rgba(15, 14, 43, 0.25);
  --scroll-thumb-hover: rgba(15, 14, 43, 0.40);
  --scroll-track:       transparent;

  /* === Radii === */
  --radius-sm:   8px;
  --radius-md:   14px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --radius-full: 9999px;

  /* === Spacing (4px scale) === */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 20px; --sp-6: 24px; --sp-7: 32px; --sp-8: 40px;
  --sp-9: 48px; --sp-10: 64px; --sp-11: 80px; --sp-12: 96px;

  /* === Typography === */
  --font-base:   'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-arabic: 'Cairo', 'Tajawal', sans-serif;
  --font-mono:   ui-monospace, 'Cascadia Code', 'Fira Code', Menlo, Consolas, monospace;
  --font-sans:   var(--font-base);
  --font-size-xs:   0.75rem;
  --font-size-sm:   0.875rem;
  --font-size-base: 1rem;
  --font-size-md:   1.125rem;
  --font-size-lg:   1.25rem;
  --font-size-xl:   1.5rem;
  --font-size-2xl:  1.875rem;
  --font-size-3xl:  2.25rem;
  --font-size-4xl:  3rem;

  /* === Transitions === */
  --transition-fast:  150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:  250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:  400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* === Layout === */
  --container-max: 1280px;
  --header-h:      70px;
  --sidebar-w:     280px;
  --z-header:      1000;
  --z-dropdown:    1100;
  --z-modal:       9000;
  --z-toast:       9999;
}

/* ============================================================
   === DARK MODE TOKENS (shared block) ========================
   Reused by both `[data-theme="dark"]` and the auto-mode media
   query so we never drift between explicit + system dark.
   Cyberpunk identity: deep purple-blacks + neon violet/pink
   accents + reflective glassy surfaces.
   ============================================================ */

[data-theme="dark"] {
  /* Surfaces — deeper than v5 for that "OLED black" vibe */
  --bg-base:            #07061A;
  --bg-surface:         #110F26;
  --bg-surface-2:       #1A1735;
  --bg-surface-3:       #262147;
  --bg-overlay:         rgba(17, 15, 38, 0.92);
  --bg-modal-backdrop:  rgba(0, 0, 0, 0.78);
  --bg-pattern-dot:     rgba(180, 170, 255, 0.08);
  --border-color:       #2A2550;
  --border-strong:      #3F3870;
  --border-subtle:      rgba(180, 170, 255, 0.08);

  /* Text — slightly cooler whites for the cyber feel */
  --txt-primary:        #F2EFFF;
  --txt-secondary:      #B5B0DC;
  --txt-muted:          #7C77A6;
  --txt-inverse:        #0F0E2B;
  --txt-link:           var(--clr-primary-light);
  --txt-link-hover:     #A8A2FF;

  /* Brand on dark — bump saturation so glow reads well */
  --clr-primary-glow:   rgba(139, 133, 255, 0.38);
  --clr-accent-glow:    rgba(255, 101, 132, 0.42);

  /* Shadows — deeper, with a hint of violet */
  --shadow-sm:   0 1px 4px rgba(0, 0, 0, 0.40);
  --shadow-md:   0 4px 16px rgba(0, 0, 0, 0.50);
  --shadow-lg:   0 8px 32px rgba(0, 0, 0, 0.60);
  --shadow-xl:   0 16px 64px rgba(5, 0, 30, 0.70);
  --shadow-glow: 0 0 32px rgba(139, 133, 255, 0.55);

  /* Status surfaces — slightly stronger so coloured chips read on near-black */
  --bg-success-soft: rgba(34, 197, 94, 0.20);
  --bg-warning-soft: rgba(245, 158, 11, 0.20);
  --bg-danger-soft:  rgba(239, 68, 68, 0.20);
  --bg-info-soft:    rgba(56, 189, 248, 0.20);

  /* Glassmorphism — frosted purple */
  --glass-bg:           rgba(26, 23, 53, 0.55);
  --glass-bg-strong:    rgba(26, 23, 53, 0.78);
  --glass-border:       rgba(180, 170, 255, 0.12);

  /* Cyberpunk glow — the actual neon */
  --cyber-glow-purple:  0 0 18px rgba(139, 133, 255, 0.55);
  --cyber-glow-pink:    0 0 18px rgba(255, 101, 132, 0.50);
  --cyber-glow-blue:    0 0 18px rgba(56, 189, 248, 0.50);

  /* Focus ring — brighter on dark */
  --focus-ring:         0 0 0 3px rgba(139, 133, 255, 0.55);
  --focus-ring-danger:  0 0 0 3px rgba(239, 68, 68, 0.55);

  /* Scrollbar — light thumb on dark */
  --scroll-thumb:       rgba(180, 170, 255, 0.30);
  --scroll-thumb-hover: rgba(180, 170, 255, 0.50);
}

/* ============================================================
   AUTO THEME — follow OS preference
   When data-theme="auto" + OS is dark, mirror the dark tokens.
   We re-apply the SAME values via a mixin-style copy (CSS lacks
   real mixins) to avoid drift if a token changes above.
   ============================================================ */
@media (prefers-color-scheme: dark) {
  [data-theme="auto"] {
    --bg-base:            #07061A;
    --bg-surface:         #110F26;
    --bg-surface-2:       #1A1735;
    --bg-surface-3:       #262147;
    --bg-overlay:         rgba(17, 15, 38, 0.92);
    --bg-modal-backdrop:  rgba(0, 0, 0, 0.78);
    --bg-pattern-dot:     rgba(180, 170, 255, 0.08);
    --border-color:       #2A2550;
    --border-strong:      #3F3870;
    --border-subtle:      rgba(180, 170, 255, 0.08);

    --txt-primary:        #F2EFFF;
    --txt-secondary:      #B5B0DC;
    --txt-muted:          #7C77A6;
    --txt-inverse:        #0F0E2B;
    --txt-link:           var(--clr-primary-light);
    --txt-link-hover:     #A8A2FF;

    --clr-primary-glow:   rgba(139, 133, 255, 0.38);
    --clr-accent-glow:    rgba(255, 101, 132, 0.42);

    --shadow-sm:   0 1px 4px rgba(0, 0, 0, 0.40);
    --shadow-md:   0 4px 16px rgba(0, 0, 0, 0.50);
    --shadow-lg:   0 8px 32px rgba(0, 0, 0, 0.60);
    --shadow-xl:   0 16px 64px rgba(5, 0, 30, 0.70);
    --shadow-glow: 0 0 32px rgba(139, 133, 255, 0.55);

    --bg-success-soft: rgba(34, 197, 94, 0.20);
    --bg-warning-soft: rgba(245, 158, 11, 0.20);
    --bg-danger-soft:  rgba(239, 68, 68, 0.20);
    --bg-info-soft:    rgba(56, 189, 248, 0.20);

    --glass-bg:           rgba(26, 23, 53, 0.55);
    --glass-bg-strong:    rgba(26, 23, 53, 0.78);
    --glass-border:       rgba(180, 170, 255, 0.12);

    --cyber-glow-purple:  0 0 18px rgba(139, 133, 255, 0.55);
    --cyber-glow-pink:    0 0 18px rgba(255, 101, 132, 0.50);
    --cyber-glow-blue:    0 0 18px rgba(56, 189, 248, 0.50);

    --focus-ring:         0 0 0 3px rgba(139, 133, 255, 0.55);
    --focus-ring-danger:  0 0 0 3px rgba(239, 68, 68, 0.55);

    --scroll-thumb:       rgba(180, 170, 255, 0.30);
    --scroll-thumb-hover: rgba(180, 170, 255, 0.50);
  }
}

/* ============================================================
   GLOBAL UTILITIES — always available
   ============================================================ */

/* Scrollbar (Webkit + Firefox) — themed via tokens above */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--scroll-thumb) var(--scroll-track);
}
*::-webkit-scrollbar       { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: var(--scroll-track); }
*::-webkit-scrollbar-thumb {
  background: var(--scroll-thumb);
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  background-clip: content-box;
}
*::-webkit-scrollbar-thumb:hover { background-color: var(--scroll-thumb-hover); }

/* Reusable focus ring — opt-in via .focus-ring or :focus-visible on inputs */
:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

/* Smooth theme switching — avoid jarring flashes when toggling */
html, body {
  transition: background-color var(--transition-base), color var(--transition-base);
}
* {
  transition-property: background-color, border-color, color, fill, stroke, box-shadow;
  transition-duration: var(--transition-fast);
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}
/* Honour the user's reduced-motion preference. */
@media (prefers-reduced-motion: reduce) {
  *, html, body { transition: none !important; animation: none !important; }
}

/* ============================================================
   GLASSMORPHISM HELPER CLASSES
   Apply via class="glass-card" to get the frosted look with
   automatic light/dark adaptation through the tokens.
   ============================================================ */
.glass-card,
.glass-surface {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);
  backdrop-filter: blur(var(--glass-blur)) saturate(140%);
}
.glass-card--strong {
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(var(--glass-blur-strong)) saturate(160%);
  backdrop-filter: blur(var(--glass-blur-strong)) saturate(160%);
}
/* Browsers without backdrop-filter — bump opacity so text stays readable. */
@supports not ((backdrop-filter: blur(8px)) or (-webkit-backdrop-filter: blur(8px))) {
  .glass-card,
  .glass-surface       { background: var(--bg-surface); }
  .glass-card--strong  { background: var(--bg-surface); }
}