/* ========================================
   SpectraFinance Brand & Design System
   ======================================== */

/* Import Canva Sans Font from Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* Note: Canva Sans is not publicly available on Google Fonts.
   Using Inter as a close alternative with similar characteristics.
   If you have a license for Canva Sans, replace this import with your font file. */

/* ========================================
   CSS Custom Properties (Variables)
   ======================================== */

:root {
    /* === Brand Colors === */
    --brand-red: #C93235;
    --brand-blue: #365196;
    --brand-white: #FFFFFF;
    --brand-green: #3BA757;
    --brand-yellow: #FACE48;

    /* === Color Variations === */
    /* Red Variations */
    --brand-red-dark: #A82628;
    --brand-red-light: #E45558;
    --brand-red-lighter: #F8E5E6;

    /* Blue Variations */
    --brand-blue-dark: #2A3F75;
    --brand-blue-light: #4A6BB8;
    --brand-blue-lighter: #E8EBF4;

    /* Green Variations */
    --brand-green-dark: #2E8645;
    --brand-green-light: #4FC76E;
    --brand-green-lighter: #E8F5EC;

    /* Yellow Variations */
    --brand-yellow-dark: #E5B62A;
    --brand-yellow-light: #FCDB6E;
    --brand-yellow-lighter: #FEF9E8;

    /* === Typography === */
    --font-primary: 'Inter', 'Canva Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* === Font Sizes === */
    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --font-size-lg: 1.25rem;      /* 20px */
    --font-size-xl: 1.5rem;       /* 24px */
    --font-size-2xl: 1.75rem;     /* 28px */
    --font-size-3xl: 2rem;        /* 32px */
    --font-size-4xl: 2.5rem;      /* 40px */

    /* === Spacing Scale === */
    --spacing-xs: 0.25rem;        /* 4px */
    --spacing-sm: 0.5rem;         /* 8px */
    --spacing-md: 1rem;           /* 16px */
    --spacing-lg: 1.5rem;         /* 24px */
    --spacing-xl: 2rem;           /* 32px */
    --spacing-xxl: 3rem;          /* 48px */

    /* === Border Radius === */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-round: 50%;

    /* === Shadows === */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* === Transitions === */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;

    /* === Neutral Colors === */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    /* === Semantic Colors === */
    --color-success: var(--brand-green);
    --color-success-light: var(--brand-green-lighter);
    --color-warning: var(--brand-yellow);
    --color-warning-light: var(--brand-yellow-lighter);
    --color-danger: var(--brand-red);
    --color-danger-light: var(--brand-red-lighter);
    --color-info: var(--brand-green);
    --color-info-light: var(--brand-green-lighter);
}

/* ========================================
   Base Styles
   ======================================== */

body {
    font-family: var(--font-primary);
    color: var(--gray-800);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Typography Classes
   ======================================== */

.text-brand-red { color: var(--brand-red); }
.text-brand-blue { color: var(--brand-blue); }
.text-brand-green { color: var(--brand-green); }
.text-brand-yellow { color: var(--brand-yellow); }

.bg-brand-red { background-color: var(--brand-red); }
.bg-brand-blue { background-color: var(--brand-blue); }
.bg-brand-green { background-color: var(--brand-green); }
.bg-brand-yellow { background-color: var(--brand-yellow); }

/* ========================================
   Brand Button Styles
   ======================================== */

.btn-brand-red {
    background-color: var(--brand-red);
    border-color: var(--brand-red);
    color: var(--brand-white);
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-base);
}

.btn-brand-red:hover {
    background-color: var(--brand-red-dark);
    border-color: var(--brand-red-dark);
    color: var(--brand-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-brand-blue {
    background-color: var(--brand-blue);
    border-color: var(--brand-blue);
    color: var(--brand-white);
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-base);
}

.btn-brand-blue:hover {
    background-color: var(--brand-blue-dark);
    border-color: var(--brand-blue-dark);
    color: var(--brand-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-brand-green {
    background-color: var(--brand-green);
    border-color: var(--brand-green);
    color: var(--brand-white);
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-base);
}

.btn-brand-green:hover {
    background-color: var(--brand-green-dark);
    border-color: var(--brand-green-dark);
    color: var(--brand-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-brand-yellow {
    background-color: var(--brand-yellow);
    border-color: var(--brand-yellow);
    color: var(--brand-green);
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-base);
}

.btn-brand-yellow:hover {
    background-color: var(--brand-yellow-dark);
    border-color: var(--brand-yellow-dark);
    color: var(--brand-green);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   Brand Card Styles
   ======================================== */

.card-brand {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.card-brand:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-brand-header {
    background-color: var(--brand-green);
    color: var(--brand-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    font-weight: var(--font-weight-semibold);
}

/* ========================================
   Brand Alert Styles
   ======================================== */

.alert-brand-success {
    background-color: var(--brand-green-lighter);
    border-color: var(--brand-green);
    color: var(--brand-green-dark);
}

.alert-brand-warning {
    background-color: var(--brand-yellow-lighter);
    border-color: var(--brand-yellow);
    color: var(--gray-800);
}

.alert-brand-danger {
    background-color: var(--brand-red-lighter);
    border-color: var(--brand-red);
    color: var(--brand-red-dark);
}

.alert-brand-info {
    background-color: var(--brand-green-lighter);
    border-color: var(--brand-green);
    color: var(--brand-green-dark);
}

/* ========================================
   Utility Classes
   ======================================== */

.brand-divider {
    height: 2px;
    background: linear-gradient(to right, var(--brand-red), var(--brand-green));
    border: none;
    margin: var(--spacing-lg) 0;
}

.brand-gradient-red-blue {
    background: linear-gradient(135deg, var(--brand-red), var(--brand-green));
}

.brand-gradient-blue-red {
    background: linear-gradient(135deg, var(--brand-green), var(--brand-red));
}