/* ============================================================
   DESIGN TOKENS — variables.css  v3.0 PREMIUM
   M/S Nayeem Enterprise Admin Panel
   ============================================================ */

:root {
  /* ── Brand Colors ── */
  --color-primary:        #2563eb;
  --color-primary-light:  #3b82f6;
  --color-primary-dark:   #1d4ed8;
  --color-primary-alpha:  rgba(37,99,235,0.10);
  --color-primary-glow:   rgba(37,99,235,0.25);

  --color-accent:         #10b981;
  --color-accent-light:   #34d399;
  --color-accent-dark:    #059669;
  --color-accent-alpha:   rgba(16,185,129,0.10);
  --color-accent-glow:    rgba(16,185,129,0.25);

  --color-warning:        #f59e0b;
  --color-warning-light:  #fbbf24;
  --color-warning-alpha:  rgba(245,158,11,0.10);

  --color-danger:         #ef4444;
  --color-danger-light:   #f87171;
  --color-danger-alpha:   rgba(239,68,68,0.10);

  --color-info:           #06b6d4;
  --color-info-alpha:     rgba(6,182,212,0.10);

  --color-purple:         #8b5cf6;
  --color-purple-light:   #a78bfa;
  --color-purple-alpha:   rgba(139,92,246,0.10);

  --color-orange:         #f97316;
  --color-orange-alpha:   rgba(249,115,22,0.10);

  --color-pink:           #ec4899;
  --color-pink-alpha:     rgba(236,72,153,0.10);

  /* ── Chart Colors ── */
  --chart-1: #2563eb;
  --chart-2: #10b981;
  --chart-3: #f59e0b;
  --chart-4: #ef4444;
  --chart-5: #8b5cf6;
  --chart-6: #06b6d4;
  --chart-7: #f97316;
  --chart-8: #ec4899;

  /* ── Sidebar ── */
  --sidebar-bg:           #0a1628;
  --sidebar-bg-2:         #0f1e38;
  --sidebar-border:       rgba(255,255,255,0.07);
  --sidebar-hover:        rgba(255,255,255,0.08);
  --sidebar-active-bg:    rgba(37,99,235,0.22);
  --sidebar-active-line:  #3b82f6;
  --sidebar-text:         rgba(255,255,255,0.82);
  --sidebar-muted:        rgba(255,255,255,0.38);
  --sidebar-icon:         rgba(255,255,255,0.52);

  /* ── Page / Surface ── */
  --bg-body:              #f0f4f8;
  --bg-surface:           #ffffff;
  --bg-surface-2:         #f8fafc;
  --bg-surface-3:         #f1f5f9;
  --bg-input:             #f8fafc;
  --bg-card:              #ffffff;
  --bg-overlay:           rgba(10,22,40,0.65);

  /* ── Text ── */
  --text-primary:         #0f172a;
  --text-secondary:       #475569;
  --text-muted:           #94a3b8;
  --text-inverse:         #ffffff;

  /* ── Scrollbar ── */
  --scrollbar-width: 5px;
  --scrollbar-thumb: var(--border-color-strong);
  --scrollbar-thumb-hover: var(--text-muted);

  /* ── Borders ── */
  --border-color:         #e2e8f0;
  --border-color-strong:  #cbd5e1;
  --border-subtle:        #f1f5f9;
  --border-radius-xs:     4px;
  --border-radius-sm:     6px;
  --border-radius:        10px;
  --border-radius-lg:     14px;
  --border-radius-xl:     20px;
  --border-radius-2xl:    28px;
  --border-radius-full:   9999px;

  /* ── Shadows ── */
  --shadow-xs:    0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm:    0 2px 6px rgba(0,0,0,0.06);
  --shadow-md:    0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg:    0 8px 32px rgba(0,0,0,0.12);
  --shadow-xl:    0 16px 48px rgba(0,0,0,0.16);
  --shadow-2xl:   0 24px 64px rgba(0,0,0,0.22);
  --shadow-primary: 0 4px 18px rgba(37,99,235,0.35);
  --shadow-accent:  0 4px 18px rgba(16,185,129,0.35);
  --shadow-card:    0 2px 8px rgba(15,23,41,0.06), 0 0 0 1px rgba(15,23,41,0.04);
  --shadow-glow-blue:   0 0 24px rgba(37,99,235,0.20);
  --shadow-glow-green:  0 0 24px rgba(16,185,129,0.20);

  /* ── Layout ── */
  --sidebar-width:           264px;
  --sidebar-collapsed-width: 68px;
  --topbar-height:           62px;

  /* ── Typography ── */
  --font-sans:   'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:   'JetBrains Mono', 'Fira Code', monospace;
  --text-xs:     0.70rem;
  --text-sm:     0.813rem;
  --text-base:   0.938rem;
  --text-lg:     1.063rem;
  --text-xl:     1.188rem;
  --text-2xl:    1.375rem;
  --text-3xl:    1.75rem;
  --text-4xl:    2.125rem;
  --fw-normal:   400;
  --fw-medium:   500;
  --fw-semibold: 600;
  --fw-bold:     700;
  --fw-extrabold:800;
  --lh-tight:    1.2;
  --lh-normal:   1.5;
  --lh-relaxed:  1.75;

  /* ── Spacing ── */
  --sp-1:  4px; --sp-2:  8px;  --sp-3:  12px; --sp-4:  16px;
  --sp-5:  20px;--sp-6:  24px; --sp-8:  32px; --sp-10: 40px;
  --sp-12: 48px;--sp-16: 64px;

  /* ── Transition ── */
  --t-fast:   140ms ease;
  --t-base:   220ms ease;
  --t-slow:   380ms ease;
  --t-spring: 320ms cubic-bezier(0.34,1.56,0.64,1);
  --t-sidebar:250ms cubic-bezier(0.4,0,0.2,1);
}

/* ══ Dark Mode ══ */
[data-theme="dark"] {
  --bg-body:       #050d1a;
  --bg-surface:    #0c1a2e;
  --bg-surface-2:  #0a1624;
  --bg-surface-3:  #081220;
  --bg-input:      #0c1a2e;
  --bg-card:       #0c1a2e;
  --bg-overlay:    rgba(0,0,0,0.82);

  --sidebar-bg:    #030b18;
  --sidebar-bg-2:  #06101e;

  --text-primary:  #e2eeff;
  --text-secondary:#8aaac8;
  --text-muted:    #4a6278;

  --border-color:        #162235;
  --border-color-strong: #1e3048;
  --border-subtle:       #0d1b2e;

  --shadow-xs:  0 1px 2px rgba(0,0,0,0.50);
  --shadow-sm:  0 2px 6px rgba(0,0,0,0.55);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.65);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.75);
  --shadow-xl:  0 16px 48px rgba(0,0,0,0.85);
  --shadow-card: 0 2px 8px rgba(0,0,0,0.50), 0 0 0 1px rgba(255,255,255,0.04);
  --shadow-glow-blue:   0 0 30px rgba(37,99,235,0.15);
  --shadow-glow-green:  0 0 30px rgba(16,185,129,0.15);
}