:root {
  --color-primary:        #0175E4;
  --color-primary-dark:   #015BB0;
  --color-primary-deep:   #0056B3;
  --color-primary-light:  #1D8AFF;
  --color-primary-50:     #E0F2FE;
  --color-primary-100:    #BAE6FD;

  --color-accent:         #6EBD00;

  --color-success:        #27AE60;
  --color-success-bg:     #E8F5E9;
  --color-success-border: #BBF7D0;
  --color-success-text:   #166534;
  --color-danger:         #E74C3C;
  --color-danger-bg:      #FDECEA;
  --color-danger-border:  #FECACA;
  --color-danger-text:    #991B1B;
  --color-warning:        #F39C12;
  --color-warning-bg:     #FFF8E1;
  --color-warning-border: #FDE68A;
  --color-warning-text:   #92400E;
  --color-info:           #2980B9;
  --color-info-bg:        #EBF5FB;
  --color-info-border:    #BFDBFE;
  --color-info-text:      #1E40AF;

  --color-bg:             #FFFFFF;
  --color-surface:        #FFFFFF;
  --color-surface-soft:   #F8FAFC;
  --color-surface-muted:  #F1F5F9;
  --color-border:         #E0EAE6;

  --color-text:           #1A2E28;
  --color-text-secondary: #4A6B60;
  --color-text-muted:     #8AAAA0;
  --color-white:          #FFFFFF;
  --color-brand-dark:     #003049;
  --color-auth-bg:        #021E30;
  --color-auth-overlay:   rgba(2,30,48,0.72);

  --color-neutral-300:    #CBD5E1;
  --color-neutral-400:    #94A3B8;
  --color-neutral-500:    #64748B;
  --color-neutral-600:    #475569;
  --color-neutral-700:    #334155;
  --color-neutral-900:    #0F172A;

  --color-navbar-bg:      #FFFFFF;
  --color-navbar-text:    #0F172A;
  --color-navbar-muted:   #0c2850;

  --font-sans:        'Inter', sans-serif;
  --font-display:     'Inter', sans-serif;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 0.875rem;
  --text-md:   1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.375rem;
  --text-3xl:  1.375rem;

  --sp-1:  0.25rem;
  --sp-2:  0.5rem;
  --sp-3:  0.75rem;
  --sp-4:  1rem;
  --sp-5:  1.25rem;
  --sp-6:  1.5rem;
  --sp-8:  2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;

  --radius-sm:   0.375rem;
  --radius-md:   0.625rem;
  --radius-lg:   0.875rem;
  --radius-xl:   1.25rem;
  --radius-full: 9999px;

  --control-sm: 36px;
  --control-md: 40px;
  --control-lg: 44px;
  --control-xl: 48px;

  --shadow-sm:  0 2px 8px rgba(13,110,92,0.08);
  --shadow-md:  0 4px 16px rgba(13,110,92,0.10);
  --shadow-lg:  0 8px 32px rgba(13,110,92,0.12);
  --focus-ring: 0 0 0 3px rgba(1,117,228,0.15);
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-deep) 100%);

  --transition-fast:   0.15s ease;
  --transition-base:   0.25s ease;

  --z-dropdown: 100;
  --z-sticky:   200;
  --z-modal:    10000;
  --z-toast:    20000;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img { max-width: 100%; display: block; }

ul, ol { list-style: none; }

button, input, select, textarea {
  font-family: var(--font-sans);
  font-size: var(--text-base);
}