:root {
    --primary-color: #00ffae;
    --secondary-color: #00ff99;
    --accent-color: #05ff8a;
    --background-color: #010f05;
    --card-background: #021a0a;
    --text-color: #e6fff2;
    --header-color: #00ffae;
    --error-color: #ff5252;
    --success-color: #00ffae;
    --border-radius: 8px;
    --box-shadow: 0 4px 8px rgba(0, 255, 174, 0.2);
    --glow-effect: 0 0 10px rgba(0, 255, 174, 0.5);
    --hover-glow: 0 0 15px rgba(0, 255, 174, 0.8);
    --a1-color: #00ffae;
    --a2-color: #00ffcc;
    --b1-color: #00ff99;
    --b2-color: #00ffb3;
    --dark-bg-gradient: linear-gradient(135deg, #010f05 0%, #041a0f 100%);
}

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

body {
    font-family: 'DM Sans', 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--header-color);
    text-shadow: var(--glow-effect);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    text-shadow: var(--glow-effect);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    padding: 20px 0;
    text-align: center;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--primary-color);
}

header h1 {
    margin-bottom: 20px;
    font-weight: 700;
    letter-spacing: 1px;
}

.level-selector h2 {
    margin-bottom: 15px;
    font-size: 1.3rem;
    color: var(--primary-color);
    text-shadow: 0 0 5px rgba(0, 255, 174, 0.5);
}

.level-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.level-btn {
    margin: 0 10px;
    padding: 8px 20px;
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.level-btn:hover {
    background-color: var(--primary-color);
    color: var(--background-color);
    box-shadow: var(--hover-glow);
}

.level-btn.active {
    background-color: var(--primary-color);
    color: var(--background-color);
    box-shadow: var(--glow-effect);
}

.level-btn[data-level="A1"] {
    border-color: var(--a1-color);
    color: var(--a1-color);
}

.level-btn[data-level="A2"] {
    border-color: var(--a2-color);
    color: var(--a2-color);
}

.level-btn[data-level="B1"] {
    border-color: var(--b1-color);
    color: var(--b1-color);
}

.level-btn[data-level="B2"] {
    border-color: var(--b2-color);
    color: var(--b2-color);
}

.level-info {
    background-color: var(--card-background);
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    border: 1px solid var(--primary-color);
    box-shadow: var(--box-shadow);
}

.level-info h2 {
    margin-bottom: 10px;
}

.reading-selector {
    margin-bottom: 25px;
    text-align: center;
}

.reading-selector label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
    color: var(--primary-color);
    text-shadow: var(--glow-effect);
    font-size: 1.2rem;
}

.reading-selector select {
    width: 100%;
    max-width: 600px;
    padding: 12px 20px;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    background-color: rgba(2, 26, 10, 0.9);
    color: var(--text-color);
    box-shadow: 0 0 8px rgba(0, 255, 174, 0.4);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: 
        linear-gradient(45deg, transparent 50%, var(--primary-color) 50%),
        linear-gradient(135deg, var(--primary-color) 50%, transparent 50%);
    background-position: 
        calc(100% - 20px) center,
        calc(100% - 15px) center;
    background-size: 
        5px 5px,
        5px 5px;
    background-repeat: no-repeat;
    transition: all 0.3s ease;
}

.reading-selector select:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 0 15px rgba(0, 255, 174, 0.6);
    transform: translateY(-2px);
}

.reading-selector select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 20px rgba(0, 255, 174, 0.7);
}

.reading-selector select option {
    background-color: var(--card-background);
    color: var(--text-color);
    padding: 12px;
    font-size: 1rem;
}

/* Custom styled dropdown arrow animation */
.reading-selector select:hover {
    background-image: 
        linear-gradient(45deg, transparent 50%, var(--secondary-color) 50%),
        linear-gradient(135deg, var(--secondary-color) 50%, transparent 50%);
}

/* Improve select option styling */
.reading-selector select option:hover,
.reading-selector select option:focus,
.reading-selector select option:checked {
    background-color: rgba(0, 255, 174, 0.2);
    color: var(--primary-color);
}

#level-description, #reading-container {
    opacity: 1;
    transition: opacity 0.3s ease;
}

.timer-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
    gap: 15px;
}

#timer {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-shadow: var(--glow-effect);
}

button {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 10px 20px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: var(--box-shadow);
    text-shadow: var(--glow-effect);
}

button:hover {
    background-color: var(--primary-color);
    color: var(--background-color);
    box-shadow: var(--hover-glow);
    transform: translateY(-2px);
}

section {
    background-color: var(--card-background);
    padding: 20px;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--primary-color);
}

.reading-passage, .questions, .results {
    border-left: 4px solid var(--primary-color);
}

.reading-passage h2, 
.questions h2,
.results h2 {
    margin-bottom: 15px;
    color: var(--primary-color);
    text-shadow: 0 0 5px rgba(0, 255, 174, 0.5);
}

.passage-content {
    line-height: 1.8;
}

.passage-content p {
    margin-bottom: 15px;
}

.question {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(0, 255, 174, 0.2);
}

.question p {
    font-weight: bold;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.options {
    margin-left: 20px;
    margin-bottom: 10px;
}

.option {
    margin-bottom: 8px;
}

textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--primary-color);
    border-radius: var(--border-radius);
    resize: vertical;
    background-color: var(--card-background);
    color: var(--text-color);
    box-shadow: 0 0 5px rgba(0, 255, 174, 0.2);
}

.feedback {
    margin-top: 10px;
    padding: 10px;
    border-radius: var(--border-radius);
    display: none;
    background-color: var(--card-background);
}

.feedback.correct {
    border: 1px solid var(--success-color);
    color: var(--success-color);
    box-shadow: 0 0 5px rgba(0, 255, 153, 0.3);
    display: block;
}

.feedback.incorrect {
    border: 1px solid var(--error-color);
    color: var(--error-color);
    box-shadow: 0 0 5px rgba(255, 77, 77, 0.3);
    display: block;
}

.controls {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

#quiz-form button[type="submit"] {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

#show-answers {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.hidden {
    display: none;
}

.highlight {
    background-color: rgba(0, 255, 174, 0.15);
    color: var(--primary-color);
    font-weight: bold;
}

.back-to-levels {
    display: block;
    margin: 0 auto 20px;
    background-color: transparent;
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

footer {
    text-align: center;
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 255, 174, 0.2);
    color: rgba(224, 255, 240, 0.7);
}

input[type="radio"], input[type="checkbox"] {
    accent-color: var(--primary-color);
}

select, textarea {
    background-color: var(--card-background);
    color: var(--text-color);
    border: 1px solid var(--primary-color);
    border-radius: var(--border-radius);
    padding: 8px 12px;
    transition: all 0.3s ease;
}

select:focus, textarea:focus {
    border-color: var(--secondary-color);
    box-shadow: var(--glow-effect);
    outline: none;
}

.correct-feedback {
    color: var(--success-color);
    font-weight: bold;
    text-shadow: var(--glow-effect);
}

.incorrect-feedback {
    color: var(--error-color);
    font-weight: bold;
}

@media (max-width: 768px) {
    .level-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .level-btn {
        margin: 5px 0;
        width: 80%;
    }
}

/* Contact Form Styles */
#contact-form-container {
    max-width: 600px;
    margin: 0 auto 40px;
    background-color: var(--card-background);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 255, 174, 0.3);
}

.form-header {
    text-align: center;
    margin-bottom: 25px;
}

.form-header h2 {
    margin-bottom: 10px;
    font-size: 1.8rem;
}

.form-header p {
    color: rgba(230, 255, 242, 0.8);
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: var(--primary-color);
    text-shadow: var(--glow-effect);
}

.required {
    color: var(--error-color);
    margin-left: 3px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    background-color: rgba(1, 15, 5, 0.7);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    color: var(--text-color);
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 0 5px rgba(0, 255, 174, 0.2);
}

.form-group select {
    appearance: none;
    background-image: 
        linear-gradient(45deg, transparent 50%, var(--primary-color) 50%),
        linear-gradient(135deg, var(--primary-color) 50%, transparent 50%);
    background-position: 
        calc(100% - 20px) center,
        calc(100% - 15px) center;
    background-size: 
        5px 5px,
        5px 5px;
    background-repeat: no-repeat;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 15px rgba(0, 255, 174, 0.5);
}

.form-group input.error,
.form-group select.error {
    border-color: var(--error-color);
    box-shadow: 0 0 10px rgba(255, 82, 82, 0.3);
}

.error-message {
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 5px;
    display: none;
}

#contact-form button[type="submit"] {
    width: 100%;
    padding: 15px;
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-top: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-shadow: var(--glow-effect);
    box-shadow: 0 0 10px rgba(0, 255, 174, 0.3);
}

#contact-form button[type="submit"]:hover {
    background-color: var(--primary-color);
    color: var(--background-color);
    box-shadow: 0 0 20px rgba(0, 255, 174, 0.6);
    transform: translateY(-2px);
}

.form-message {
    padding: 15px;
    border-radius: var(--border-radius);
    margin-top: 20px;
    text-align: center;
}

.success-message {
    background-color: rgba(0, 255, 174, 0.1);
    border: 1px solid var(--success-color);
    color: var(--success-color);
}

.error-message {
    background-color: rgba(255, 82, 82, 0.1);
    border: 1px solid var(--error-color);
    color: var(--error-color);
}

/* Avatar styling */
.avatar-container {
    text-align: center;
    margin-bottom: 20px;
}

.avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    animation: pulse 2s infinite ease-in-out, glow 3s infinite alternate;
    transition: transform 0.3s ease;
}

.avatar:hover {
    transform: scale(1.05);
    box-shadow: 0 0 25px var(--primary-color);
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes glow {
    0% { box-shadow: 0 0 10px rgba(0, 255, 174, 0.3); }
    100% { box-shadow: 0 0 20px rgba(0, 255, 174, 0.8); }
}