/* Exam container */
.exam-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Card style */
.card {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

/* Student info */
.exam-header {
    text-align: center;
}
.highlight {
    color: var(--primary);
    font-weight: 600;
}

/* Exam subjects grid */
.exam-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

/* Each subject card */
.exam-subject {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 1rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    max-width: 500px;
}

/* Form rows for consistent alignment */
.exam-subject .form-row {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.5rem;
}

.exam-subject .form-row label {
    text-align: right;
    font-weight: 500;
    color: var(--text);
}

/* Input and select styling */
.exam-subject .form-row input,
.exam-subject .form-row select {
    width: 100%;
    padding: 0.4rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--card-bg);
    color: var(--text);
    font-size: 1rem;
    transition: all 0.2s ease;
}

.exam-subject .form-row input:hover,
.exam-subject .form-row select:hover {
    border-color: var(--primary);
    box-shadow: 0 0 6px rgba(37, 99, 235, 0.2);
}

.exam-subject .form-row input:focus,
.exam-subject .form-row select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 8px rgba(37, 99, 235, 0.4);
}

/* Prefix input alignment */
.exam-subject .form-row.prefix-row {
    grid-template-columns: 180px auto;
}
.exam-subject .form-row.prefix-row .prefix-input {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}
.exam-subject .form-row.prefix-row .prefix-input input {
    width: 80px;
}

/* Info spacing */
.exam-paper .info {
    margin-bottom: 1.5rem;
}
.exam-subject > p {
    margin-bottom: 0.7rem;
}

/* Submit button spacing & style */
.submit-section {
    margin-top: 2rem;
}
#submitbutton {
    background-color: var(--primary);
    color: white;
    font-size: 1.2rem;
    border: none;
    border-radius: 50px;
    padding: 0.8rem 1.2rem;
    cursor: pointer;
    transition: background 0.3s;
}
#submitbutton:hover {
    background-color: var(--primary-dark);
}

/* Floating timer */
.floating-timer {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: var(--card-bg);
    color: var(--primary);
    padding: 0.5rem 0.8rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    z-index: 999;
    text-align: center;
    min-width: 140px;
    transition: color 0.5s ease;
    user-select: none;
}
.floating-timer h3 {
    margin: 0.2rem 0 0.3rem;
    font-size: 1rem;
    font-weight: 600;
}
.floating-timer p {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
}

/* Timer handle */
.timer-handle {
    width: 100%;
    padding: 0.2rem 0;
    background: var(--border);
    border-radius: 6px 6px 0 0;
    cursor: grab;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 0.3rem;
}
.timer-handle:active {
    cursor: grabbing;
}

/* Responsive tweaks */
@media (max-width: 900px) {
    .exam-grid {
        flex-direction: column;
        align-items: center;
    }
    .exam-subject .form-row label,
    .exam-subject .form-row input,
    .exam-subject .form-row select,
    .exam-subject .form-row .prefix-input input {
        display: block;
        width: 100%;
        margin-bottom: 0.5rem;
        text-align: left;
    }
}

@media (max-width: 768px) {
    .floating-timer {
        top: 8px;
        right: 8px;
        padding: 0.45rem 0.7rem;
        min-width: 90px;
        font-size: 0.9rem;
        background-color: rgba(255, 255, 255, 0.85);
        backdrop-filter: blur(5px);
    }
    [data-theme="dark"] .floating-timer {
        background-color: rgba(30, 41, 59, 0.85);
    }
}

@media (max-width: 480px) {
    .floating-timer {
        top: 5px;
        right: 5px;
        padding: 0.35rem 0.6rem;
        min-width: 80px;
        font-size: 0.85rem;
        background-color: rgba(255, 255, 255, 0.7);
    }
    [data-theme="dark"] .floating-timer {
        background-color: rgba(30, 41, 59, 0.7);
    }
}
/* Radio buttons container */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

/* Each radio option */
.radio-option {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--card-bg);
    cursor: pointer;
    transition: all 0.2s ease;
}

/* Hover effect */
.radio-option:hover {
    border-color: var(--primary);
    box-shadow: 0 0 6px rgba(37, 99, 235, 0.2);
}

/* Disabled state */
.radio-option input:disabled + .radio-label-text {
    color: var(--text-light);
    cursor: not-allowed;
}

/* Radio input */
.radio-option input[type="radio"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary); /* modern browsers */
    cursor: pointer;
}

/* Text label next to radio */
.radio-label-text {
    font-weight: 500;
    font-size: 1rem;
}
/* Name input initially hidden */
.name-field {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all 0.4s ease;
}

/* Show name input */
.name-field.show {
    max-height: 100px; /* enough to fit input */
    opacity: 1;
    margin-top: 0.5rem;
}

/* Styles for disabled radio button */
.radio-option.disabled {
    opacity: 0.7;
    cursor: not-allowed !important;
}

.radio-option.disabled input[type="radio"] {
    cursor: not-allowed !important;
}

.disabled-note {
    font-size: 0.8rem;
    color: #ff4444;
    margin-left: 8px;
    font-style: italic;
}