/* Isolation Reset */
.refeyn-is-container, .refeyn-is-container * {
    all: revert;
    box-sizing: border-box;
}

.refeyn-is-container {
    font-family: Arial, sans-serif !important;
    max-width: 750px;
    margin: 80px auto !important;
    color: #2c3e50 !important;
    
    /* Fixed Height & Layout */
    height: 650px; 
    display: flex !important;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    background: #fff;
}

/* Progress Section */
.is-progress-wrapper {
    width: 100%;
    height: 6px;
    background: #eef2f3;
    border-radius: 10px;
    margin-bottom: 30px;
    flex-shrink: 0;
    transition: opacity 0.3s ease;
}

.is-progress-bar {
    height: 100%;
    background: #18345d;
    width: 0%;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Form Layout */
#instrument-selector-form {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

/* --- ANIMATION LOGIC --- */
.is-step {
    display: none;
    opacity: 0;
    width: 100%;
}

.is-step.active {
    display: block !important;
    animation: stepFadeIn 0.4s forwards ease-out;
}

.is-step.is-fading-out {
    display: block !important;
    animation: stepFadeOut 0.3s forwards ease-in;
    pointer-events: none; 
    position: absolute;
    top: 36px;
    width: 100%;
}

@keyframes stepFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes stepFadeOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(-10px); }
}

/* --- INTRO STEP --- */
.is-intro-content {
    text-align: center;
    padding: 40px 20px;
}

.is-intro-text {
    font-family: Arial, sans-serif !important;
    font-size: 18px !important;
    line-height: 1.6 !important;
    color: #555 !important;
    margin-bottom: 40px !important;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.is-btn-large {
    padding: 20px 50px !important;
    font-size: 20px !important;
    width: auto !important;
}

/* --- QUESTIONS & OPTIONS --- */
.is-number {
    font-family: Arial, sans-serif !important;
    font-size: 16px !important;
    color: #18345d !important;
    font-weight: 700 !important;
    display: block;
    margin-bottom: 10px;
}

h2.is-question {
    font-family: Arial, sans-serif !important;
    font-size: 32px !important;
    font-weight: 700 !important;
    line-height: 1.25 !important;
    margin-bottom: 35px !important;
    color: #1a2a3a !important;
    border: none !important;
}

.is-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Button Styling with Icons */
.is-opt {
    font-family: Arial, sans-serif !important;
    background: #ffffff !important;
    border: 1px solid #d1d9e0 !important;
    border-radius: 8px !important;
    padding: 15px 20px !important;
    font-size: 18px !important;
    font-weight: 400 !important;
    color: #2c3e50 !important;
    text-align: left !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    width: 100% !important;
    
    /* Flex for Icon Alignment */
    display: flex !important;
    align-items: center !important;
    gap: 20px !important;
}

.is-opt:hover {
    border-color: #18345d !important;
    background: #e8ebef !important;
}

/* Icon Container */
.is-opt-icon {
    width: 44px;
    height: 44px;
    background: #f0f4f8;
    color: #18345d;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.2s;
    font-size: 20px; /* Controls Font Awesome size */
}

.is-opt:hover .is-opt-icon {
    background: #cce1f0;
}

/* Footer Pinned */
.is-footer {
    margin-top: auto;
    border-top: 1px solid #eef2f3;
    padding-top: 25px;
    padding-bottom: 10px;
}

#is-back-btn {
    font-family: Arial, sans-serif !important;
    background: transparent !important;
    border: none !important;
    color: #7f8c8d !important;
    font-size: 14px !important;
    font-weight: 400 !important;
    cursor: pointer !important;
    text-decoration: underline !important;
}

/* --- RESULT CARD & LOGIC BREAKDOWN --- */
.is-result-card {
    background: #f8fafb;
    padding: 30px 40px;
    border-radius: 12px;
}

.is-result-card h3 { 
    font-family: Arial, sans-serif !important; 
    font-weight: 700 !important; 
    margin: 0 !important;
    font-size: 28px !important;
    color: #18345d !important;
}

.is-result-card p { font-family: Arial, sans-serif !important; font-weight: 400 !important; }

/* Reasoning Box */
.is-reasoning-box {
    margin-top: 25px;
    background: white;
    border: 1px solid #eef2f3;
    border-radius: 8px;
    padding: 20px;
}

.is-reasoning-box h4 {
    margin: 0 0 10px 0 !important;
    font-size: 14px !important;
    text-transform: uppercase !important;
    letter-spacing: 1px !important;
    color: #7f8c8d !important;
}

.is-reasoning-list {
    margin: 0 !important;
    padding-left: 20px !important;
    list-style-type: disc !important;
}

.is-reasoning-list li {
    color: #2c3e50 !important;
    margin-bottom: 5px !important;
    font-size: 15px !important;
}

/* --- CTAs (Single Line Layout) --- */
.is-ctas {
    margin-top: 30px;
    display: flex;
    align-items: center; /* Vertically align buttons and link */
    justify-content: flex-start; /* Align left */
    gap: 15px;
    flex-wrap: wrap; /* Wraps on very small mobile screens */
}

.is-btn-primary { 
    font-family: Arial, sans-serif !important; 
    background: #18345d !important; 
    color: white !important; 
    padding: 15px 25px !important; 
    border-radius: 9999px !important; 
    border: none !important; 
    font-weight: 700 !important; 
    cursor: pointer !important; 
    text-align: center;
}

.is-btn-secondary {
    font-family: Arial, sans-serif !important; 
    background: transparent !important; 
    color: #2c3e50 !important;
    padding: 15px 25px !important; 
    border: 1px solid #d1d9e0 !important; 
    border-radius: 9999px !important;
    font-weight: 400 !important;
    cursor: pointer !important;
    text-align: center;
}

.is-btn-secondary:hover {
    background: #f0f4f8 !important;
    border-color: #18345d !important;
}

.is-link-tertiary {
    font-family: Arial, sans-serif !important; 
    background: transparent !important;
    border: none !important;
    color: #7f8c8d !important;
    font-size: 14px !important;
    cursor: pointer !important;
    text-decoration: underline !important;
    padding: 5px !important;
}

.is-link-tertiary:hover {
    color: #2c3e50 !important;
}