:root {
    --primary: #16a085;
    --primary-dark: #0abd81;
    --primary-light: rgba(22, 160, 133, 0.1);
    --secondary: #2c3e50;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --light: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px 0;
    line-height: 1.6;
}
 
.container {
    max-width: 650px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    animation: fadeIn 0.6s ease-out;
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.logo-container {
    text-align: center;
    margin-bottom: 30px;
}

/* EDITED: Hide logo during quiz - class will be added via JavaScript */
.container.quiz-started .logo-container {
    display: none;
}

.container img {
    max-width: 200px;
    height: auto;
    border-radius: var(--border-radius-sm);
    box-shadow:none;
    transition: var(--transition);
}

.container img:hover {
    transform: translateY(-2px);
    box-shadow:none;
}

h2 {
    font-family: 'Poppins', sans-serif;
    color:#000000;
    font-weight: 400;
    font-size: 18px;
    text-align: center;
    margin-bottom: 30px;
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    border-radius: 2px;
}

/* Form permulaan ujian */
#startForm {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-top: 30px;
}

#startForm p {
    font-size: 17px;
    color:#000000;
    text-align: center;
    max-width: 500px;
    margin-bottom: 10px;
    opacity: 0.8;
}

.form-group {
    width: 100%;
    max-width: 450px;
}

#startForm label {
    display: block;
    font-size: 17px;
    font-weight: 400;
    color: var(--secondary);
    margin-bottom: 8px;
}

#startForm input[type="text"],
#startForm input[type="email"],
#inputSet {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius-sm);
    font-family: 'Poppins', sans-serif;
    font-size: 17px;
    transition: var(--transition);
    background: var(--white);
}

#startForm input[type="text"]:focus,
#startForm input[type="email"]:focus,
#inputSet:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-light);
    outline: none;
    transform: translateY(-1px);
}

#inputSet {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,<svg xmlns='http://www.w3.org/2000/svg' width='4' height='5'><path fill='%23666' d='m0,1 1,0 1,1 1,-1 1,0 0,1 -2,2 -2,-2 0,-1'/></svg>");
    background-repeat: no-repeat;
    background-position: right 20px center;
    background-size: 12px;
    cursor: pointer;
}

#startForm button {
    width: 100%;
    max-width: 450px;
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    border: none;
    padding: 18px 32px;
    font-size: 18px;
    font-weight: 400;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(22, 160, 133, 0.3);
    position: relative;
    overflow: hidden;
}

#startForm button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

#startForm button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(22, 160, 133, 0.4);
}

#startForm button:hover::before {
    left: 100%;
}

#startForm button:active {
    transform: translateY(0);
}

/* Timer */
#timer {
    color: var(--danger);
    font-size: 15px;
    font-weight: 400;
    margin-bottom: 20px;
    text-align: center;
    background: rgba(231, 76, 60, 0.1);
    padding: 12px 24px;
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(231, 76, 60, 0.2);
}

/* Question styling */
.question-header {
    background: linear-gradient(135deg, var(--light), #e9ecef);
    padding: 20px;
    border-radius: var(--border-radius-sm);
    font-weight: 400;
    font-size: 17px;
    margin-bottom: 25px;
    color: #000000;
    border-left: 4px solid var(--primary);
}

.options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.options label {
    display: flex;
    align-items: center;
    background: var(--white);
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius-sm);
    padding: 16px 20px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 17px;
    position: relative;
    font-family: 'Poppins', sans-serif;
}

.options label:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    transform: translateX(4px);
}

.options label.selected {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary-dark);
    font-weight: 500;
}
/*
.options label.selected::after {
    content: '✓';
    position: absolute;
    right: 20px;
    color: var(--primary);
    font-weight: 700;
}*/

.options input[type="radio"] {
    margin-right: 15px;
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
}

/* Navigation buttons */
.navigation-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center; /* EDITED: Added for better alignment */
    gap: 15px;
    margin-top: 30px;
    width: 100%; /* EDITED: Added for full width control */
}

.navigation-buttons button {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    border: none;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 400;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    min-width: 120px;
    font-family: 'Poppins', sans-serif;
}

.navigation-buttons button:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(22, 160, 133, 0.3);
}

/* Status message */
#status {
    margin-top: 20px;
    color: var(--danger);
    text-align: center;
    font-weight: 400;
    padding: 12px;
    background-color:rgba(255,255,255,0.1);
    border-radius: var(--border-radius-sm);
    border-style:none;
    font-family: 'Poppins', sans-serif;
}

/* Send report button */
.send-report-button {
    display: inline-block;
    padding: 18px 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Poppins', sans-serif;
    font-size: 17px;
    font-weight: 400;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(22, 160, 133, 0.3);
    margin: 20px auto;
}

.send-report-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(22, 160, 133, 0.4);
}

/* Result container text */
#questionContainer center p {
    font-size: 17px;
    color:#000000;
    margin-bottom: 30px;
    opacity: 0.9;
    font-family: 'Poppins', sans-serif;
}

#questionContainer center h3 {
    font-family: 'Poppins', sans-serif;
    font-weight: 400;
    color: var(--secondary);
}

/* Arrow animation */
.arrow-down {
    width: 40px !important;
    height: auto;
    margin: 20px auto 30px;
    opacity: 0.6;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Legacy compatibility - untuk kekalkan styling asal yang diperlukan */
.pay-button {
    display: inline-block;
    padding: 16px 28px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    margin: 20px auto;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    box-shadow: 0 4px 15px rgba(22, 160, 133, 0.3);
    font-family: 'Poppins', sans-serif;
    font-size: 18px;
    font-weight: 600;
}

.pay-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(22, 160, 133, 0.4);
}

.pay-button:active {
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 10px 0;
    }
    
    .container {
        margin: 10px;
        padding: 30px 25px;
        border-radius: var(--border-radius-sm);
    }

    h2 {
        font-size: 17px;
    }

    #startForm p {
        font-size: 16px;
    }

    .form-group {
        max-width: 100%;
    }

    #startForm input[type="text"],
    #startForm input[type="email"],
    #inputSet,
    #startForm button {
        max-width: 100%;
    }

    .navigation-buttons {
        justify-content: space-between; /* EDITED: Keep side-by-side layout */
        flex-direction: row; /* EDITED: Changed from column to row */
    }

    .navigation-buttons button {
        min-width: 100px; /* EDITED: Smaller min-width for mobile */
        flex: 0 0 auto; /* EDITED: Changed from max-width: 100% */
    }

    .question-header {
        padding: 16px;
        font-size: 16px;
    }

    .options label {
        padding: 14px 16px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        margin: 5px;
        padding: 25px 20px;
    }

    h2 {
        font-size: 16px;
    }

    #startForm p {
        font-size: 16px;
    }

    .question-header {
        padding: 16px;
        font-size: 16px;
    }

    .options label {
        padding: 14px 16px;
        font-size: 16px;
    }

    #startForm input[type="text"],
    #startForm input[type="email"],
    #inputSet {
        padding: 14px 16px;
        font-size: 15px;
    }

    #startForm button {
        padding: 16px 28px;
        font-size: 16px;
    }
}

/* Compatibility dengan kod asal untuk memastikan tiada break */
@media (max-width: 600px) {
    .container #startForm p {
        width: 100% !important;
    }
}