:root {
    --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    
    /* Strict Brand Color Palette - Flat Solid Colors Only, No Gradients */
    --brand-purple: #6C006D;
    --brand-purple-dark: #4A004B;
    --brand-purple-light: #F4E8F4;

    --brand-lemon: #8BC34A;
    --brand-lemon-dark: #689F38;
    --brand-lemon-light: #F1F8E9;

    --brand-rose: #FF007F;
    --brand-rose-dark: #C60062;
    --brand-rose-light: #FFEBF4;

    --brand-mint-grape: #6F2DA8;
    --brand-mint-dark: #511F7D;
    --brand-mint-light: #F3EAF9;
}

/* Custom Base & Typography */
body {
    background-color: #F8FAFC;
    color: #1E293B;
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
}

/* Custom UI Component System - Clean, Solid, Premium Flat Aesthetic */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    transition: all 0.15s ease-in-out;
    cursor: pointer;
    text-decoration: none;
    border: 1px solid transparent;
}

.btn-purple {
    background-color: var(--brand-purple);
    color: #FFFFFF;
}
.btn-purple:hover {
    background-color: var(--brand-purple-dark);
    color: #FFFFFF;
}

.btn-lemon {
    background-color: var(--brand-lemon);
    color: #0F172A;
}
.btn-lemon:hover {
    background-color: var(--brand-lemon-dark);
    color: #FFFFFF;
}

.btn-rose {
    background-color: var(--brand-rose);
    color: #FFFFFF;
}
.btn-rose:hover {
    background-color: var(--brand-rose-dark);
    color: #FFFFFF;
}

.btn-mint {
    background-color: var(--brand-mint-grape);
    color: #FFFFFF;
}
.btn-mint:hover {
    background-color: var(--brand-mint-dark);
    color: #FFFFFF;
}

.btn-outline-purple {
    background-color: transparent;
    color: var(--brand-purple);
    border-color: var(--brand-purple);
}
.btn-outline-purple:hover {
    background-color: var(--brand-purple-light);
    color: var(--brand-purple);
}

.btn-white {
    background-color: #FFFFFF;
    color: #1E293B;
    border-color: #E2E8F0;
}
.btn-white:hover {
    background-color: #F1F5F9;
    border-color: #CBD5E1;
}

/* Custom Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 9999px;
    letter-spacing: 0.025em;
    text-transform: uppercase;
}

.badge-purple {
    background-color: var(--brand-purple-light);
    color: var(--brand-purple);
}

.badge-lemon {
    background-color: var(--brand-lemon-light);
    color: var(--brand-lemon-dark);
}

.badge-rose {
    background-color: var(--brand-rose-light);
    color: var(--brand-rose);
}

.badge-mint {
    background-color: var(--brand-mint-light);
    color: var(--brand-mint-grape);
}

.badge-gray {
    background-color: #F1F5F9;
    color: #475569;
}

/* Custom Form Fields */
.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: #334155;
    margin-bottom: 0.375rem;
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    border-radius: 0.5rem;
    border: 1px solid #CBD5E1;
    background-color: #FFFFFF;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    color: #1E293B;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--brand-purple);
    box-shadow: 0 0 0 3px rgba(108, 0, 109, 0.15);
}

/* Custom Cards */
.card-flat {
    background-color: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.card-hover {
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.card-hover:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
    border-color: #CBD5E1;
}

/* Custom Navigation active item */
.nav-link {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #475569;
    border-radius: 0.375rem;
    transition: all 0.15s ease;
    text-decoration: none;
}
.nav-link:hover {
    color: var(--brand-purple);
    background-color: var(--brand-purple-light);
}
.nav-link.active {
    color: var(--brand-purple);
    background-color: var(--brand-purple-light);
    font-weight: 600;
}