:root {
    --bg-color: #0a0a0a;
    --card-bg: #161616;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #00ff9d;
    /* Neon Green */
    --accent-hover: #00cc7d;
    --input-bg: #202020;
    --border-color: #333333;
    --error-color: #ff4d4d;
    --font-family: 'Outfit', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
}

.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 50% 10%, #1a1a1a 0%, #0a0a0a 100%);
    pointer-events: none;
}

.container {
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
    z-index: 1;
}

.header {
    text-align: center;
    margin-bottom: 40px;
    animation: fadeInDown 0.8s ease-out;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.description-box {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 12px;
    border-left: 4px solid var(--accent-color);
    text-align: left;
    font-size: 0.95rem;
}

.form-section {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 16px;
    margin-bottom: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    animation: fadeInUp 0.8s ease-out;
    transition: transform 0.3s ease;
}

.form-section:hover {
    transform: translateY(-2px);
    border-color: var(--accent-color);
}

.form-section h2 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--accent-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.instruction {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 25px;
    font-style: italic;
}

.form-group {
    margin-bottom: 25px;
}

label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--text-primary);
}

.required {
    color: var(--accent-color);
}

input[type="text"],
input[type="number"],
textarea {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: all 0.3s ease;
}

input[type="text"]:focus,
input[type="number"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 255, 157, 0.1);
}

/* Likert Scale Styles */
.likert-group {
    margin-bottom: 30px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
}

.likert-options {
    display: flex;
    justify-content: space-between;
    margin-top: 15px;
    max-width: 400px;
}

.likert-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}

.likert-option input[type="radio"] {
    appearance: none;
    width: 24px;
    height: 24px;
    border: 2px solid var(--text-secondary);
    border-radius: 50%;
    margin-bottom: 5px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.likert-option input[type="radio"]:checked {
    border-color: var(--accent-color);
    background-color: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-color);
}

.likert-option label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.likert-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    max-width: 400px;
}

/* Radio Group (Vertical) */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.radio-option {
    display: flex;
    align-items: center;
    padding: 10px;
    border-radius: 8px;
    transition: background 0.2s;
}

.radio-option:hover {
    background: rgba(255, 255, 255, 0.03);
}

.radio-option input[type="radio"] {
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--text-secondary);
    border-radius: 50%;
    margin-right: 12px;
    cursor: pointer;
    flex-shrink: 0;
}

.radio-option input[type="radio"]:checked {
    border-color: var(--accent-color);
    background-color: var(--accent-color);
    box-shadow: inset 0 0 0 4px var(--card-bg);
}

.radio-option label {
    margin-bottom: 0;
    cursor: pointer;
}

/* Button */
.submit-btn {
    display: block;
    width: 100%;
    padding: 16px;
    background-color: var(--accent-color);
    color: #000;
    font-size: 1.1rem;
    font-weight: 700;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 20px;
    box-shadow: 0 4px 15px rgba(0, 255, 157, 0.3);
}

.submit-btn:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 255, 157, 0.4);
}

.submit-btn:active {
    transform: translateY(0);
}

/* Success Message */
#successMessage {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 100;
    animation: fadeIn 0.5s ease;
}

#successMessage.show {
    display: flex;
}

.success-content {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    max-width: 500px;
    border: 2px solid var(--accent-color);
    box-shadow: 0 0 50px rgba(0, 255, 157, 0.2);
}

.success-content h2 {
    color: var(--accent-color);
    margin-bottom: 20px;
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 600px) {
    .header h1 {
        font-size: 2rem;
    }

    .form-section {
        padding: 20px;
    }

    .likert-options {
        max-width: 100%;
    }
}