:root {
        --primary-navy: #0F2C59;
        --pink-ribbon: #FF1493;
        --pink-ribbon-dark: #D10068;
        --light-bg: #FFFFFF;
        --card-bg: #F8FAFC;
        --border-color: #E2E8F0;
    }

    body {
        background-color: var(--light-bg);
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        margin: 0;
        padding: 0;
    }

    .app-view-container {
        width: 100%;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        background-color: var(--light-bg);
    }

    .pink-header {
        background: linear-gradient(135deg, var(--pink-ribbon-dark) 0%, var(--pink-ribbon) 50%, var(--pink-ribbon-dark) 100%);
        color: white;
        padding: 20px 16px;
        text-align: center;
        position: relative;
        box-shadow: 0 4px 15px rgba(255, 20, 147, 0.25);
    }

    .pink-header h1 {
        font-size: 1.4rem;
        font-weight: 800;
        margin: 0;
        letter-spacing: 2px;
    }

    .intro-section {
        background-color: var(--primary-navy);
        color: #E2E8F0;
        padding: 16px;
        text-align: center;
        font-size: 0.85rem;
    }

    .custom-accordion .accordion-item {
        border: none;
        background-color: transparent;
        margin-bottom: 12px;
    }

    .custom-accordion .accordion-button {
        background-color: var(--card-bg);
        color: var(--primary-navy);
        font-weight: 600;
        font-size: 0.98rem;
        border: 1px solid var(--border-color);
        border-radius: 12px !important;
        padding: 16px;
        box-shadow: none;
        transition: all 0.2s ease;
    }

    .custom-accordion .accordion-button:not(.collapsed) {
        background-color: var(--primary-navy);
        color: white;
        border-color: var(--primary-navy);
    }

    .custom-accordion .accordion-button::after {
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
        content: "\f078";
        background-image: none;
        font-size: 0.8rem;
        transition: transform 0.2s ease;
    }

    .custom-accordion .accordion-button:not(.collapsed)::after {
        content: "\f077";
        color: white;
        transform: none;
    }

    .accordion-body {
        background-color: white;
        border: 1px solid var(--border-color);
        border-top: none;
        border-radius: 0 0 12px 12px;
        padding: 16px;
        margin-top: -4px;
    }

    .sub-option-radio {
        position: absolute;
        opacity: 0;
        width: 0;
        height: 0;
    }

    .sub-option-label {
        border: 1px solid var(--border-color);
        background-color: var(--card-bg);
        padding: 12px;
        border-radius: 8px;
        margin-bottom: 8px;
        font-size: 0.88rem;
        font-weight: 500;
        color: var(--primary-navy);
        display: flex;
        justify-content: space-between;
        align-items: center;
        cursor: pointer;
        transition: all 0.2s ease;
    }

    .sub-option-radio:checked + .sub-option-label {
        border-color: var(--pink-ribbon);
        background-color: rgba(255, 20, 147, 0.05);
        box-shadow: 0 0 0 1px var(--pink-ribbon);
    }

    .sub-option-price {
        color: var(--pink-ribbon);
        font-weight: 700;
    }

    .form-label {
        font-size: 0.82rem;
        font-weight: 600;
        color: var(--primary-navy);
        margin-bottom: 4px;
    }

    .form-control, .form-select {
        font-size: 0.88rem;
        border-radius: 8px;
        border: 1px solid var(--border-color);
        padding: 10px;
    }

    .limit-badge {
        background-color: rgba(15, 44, 89, 0.06);
        border-left: 3px solid var(--primary-navy);
        color: var(--primary-navy);
        font-size: 0.8rem;
        padding: 10px;
        border-radius: 4px;
        font-weight: 500;
    }

    .submit-btn {
        background: linear-gradient(135deg, var(--pink-ribbon) 0%, var(--pink-ribbon-dark) 100%);
        color: white;
        border: none;
        font-weight: 600;
        font-size: 0.9rem;
        padding: 12px;
        border-radius: 8px;
        width: 100%;
        margin-top: 12px;
        box-shadow: 0 3px 10px rgba(255, 20, 147, 0.15);
        transition: opacity 0.2s;
    }

    .submit-btn:active {
        opacity: 0.9;
    }

    .app-footer {
        font-size: 0.8rem;
        color: #64748B;
        padding: 16px;
        background-color: var(--card-bg);
        border-top: 1px solid var(--border-color);
        text-align: justify;
        line-height: 1.4;
    }
    
    .app-footer a {
        color: var(--pink-ribbon-dark);
        text-decoration: underline;
        font-weight: 600;
    }