frontend/src/index.css

@import "tailwindcss";

@theme {
  /* =========================================
     1. COLORS (Verdana Health Palette)
     ========================================= */
  --color-primary: #0F172A; /* Navy */
  --color-primary-dark: #020617; /* Darker Navy */
  --color-primary-light: #94A3B8; /* Slate 400 */
  --color-primary-bg: #F1F5F9; /* Slate 100 */
  --color-secondary: #64748B; /* Secondary Slate */
  --color-tertiary: #059669; /* Tertiary Sage */
  
  --color-background: #F8FAFC; 
  --color-surface: #FFFFFF; 
  --color-surface-base: #F8FAFC;
  --color-surface-card: #FFFFFF;
  --color-cream: #FEF3C7; /* Amber 100 */
  --color-accent: #BEF264; /* Lime 300 */
  --color-accent-light: #ECFCCB; /* Lime 100 */
  --color-coral: #F43F5E; /* Rose 500 */
  --color-coral-light: #FFE4E6; /* Rose 100 */
  
  --color-success: #22C55E;
  --color-warning: #EAB308;
  --color-error: #EF4444;
  --color-info: #0EA5E9;

  /* =========================================
     2. SPACING
     ========================================= */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;

  /* =========================================
     3. TYPOGRAPHY (Fonts)
     ========================================= */
  --font-headline: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  --font-body: "DM Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "Fira Code", monospace;

  /* =========================================
     4. BORDER RADIUS
     ========================================= */
  --radius-sm: 4px;
  --radius-DEFAULT: 8px; /* Soft 8px radius used as primary */
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* =========================================
     5. ELEVATION (Clinical, Soft Shadows)
     ========================================= */
  /* Shadows based on Navy (#0F172A) with very low opacity */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.03);
  --shadow-DEFAULT: 0 2px 6px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.07);
  --shadow-lg: 0 8px 32px rgba(15, 23, 42, 0.10);
  --shadow-card: 0 10px 40px -10px rgba(0,0,0,0.08);
  --shadow-teal-glow: 0 4px 20px rgba(15, 23, 42, 0.4); /* Now Navy */
  --shadow-accent-glow: 0 4px 20px rgba(190, 242, 100, 0.6);
  --shadow-coral-glow: 0 4px 20px rgba(244, 63, 94, 0.4);
  --shadow-focus: 0 0 0 4px rgba(15, 23, 42, 0.2);
}

/* =========================================
   6. GLOBAL BASE STYLES & TYPOGRAPHY SCALES
   ========================================= */
@layer base {
  body {
    background-color: var(--color-background);
    color: var(--color-primary); /* Navy is default text color */
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  /* Hide scrollbars globally */
  * {
    -ms-overflow-style: none; /* IE and Edge */
    scrollbar-width: none; /* Firefox */
  }

  /* U1: Add pointer to interactive elements globally */
  button:not(:disabled),
  [role="button"]:not(:disabled),
  input[type="checkbox"]:not(:disabled),
  input[type="radio"]:not(:disabled),
  label:has(input[type="checkbox"]:not(:disabled)),
  label:has(input[type="radio"]:not(:disabled)) {
    cursor: pointer;
  }
  
  *::-webkit-scrollbar {
    display: none; /* Chrome, Safari and Opera */
  }
  
  /* Headline Overrides */
  h1, h2, h3, h4, .text-display {
    font-family: var(--font-headline);
    color: var(--color-primary);
  }

  .text-display { font-size: 40px; line-height: 1.15; font-weight: 700; }
  h1 { font-size: 32px; line-height: 1.2; font-weight: 700; }
  h2 { font-size: 24px; line-height: 1.25; font-weight: 600; }
  h3 { font-size: 20px; line-height: 1.3; font-weight: 600; }
  h4 { font-size: 16px; line-height: 1.35; font-weight: 500; }
  
  .text-h2 { font-size: 32px; line-height: 1.2; font-weight: 700; }
  .text-h3 { font-size: 24px; line-height: 1.25; font-weight: 600; }

  /* Body Overrides */
  .text-body-lg { font-size: 18px; line-height: 1.6; font-weight: 400; }
  .text-body-sm { font-size: 14px; line-height: 1.5; font-weight: 400; }
  .text-caption { font-size: 12px; line-height: 1.4; font-weight: 500; }
  
  /* Mono / Vitals / Tabular Data */
  code, pre, .font-mono, .vitals-data {
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.6;
  }
}

/* =========================================
   7. UTILITY FIXES
   ========================================= */
@layer utilities {
  /* Fix the max-w squish bug caused by custom spacing-xs through spacing-3xl overrides */
  .max-w-xs { max-width: 20rem !important; } /* 320px */
  .max-w-sm { max-width: 24rem !important; } /* 384px */
  .max-w-md { max-width: 28rem !important; } /* 448px */
  .max-w-lg { max-width: 32rem !important; } /* 512px */
  .max-w-xl { max-width: 36rem !important; } /* 576px */
  .max-w-2xl { max-width: 42rem !important; } /* 672px */
  .max-w-3xl { max-width: 48rem !important; } /* 768px */
}