/* General Body and Container Styles */
body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background-color: var(--bg-color-light);
    color: var(--text-color-light);
    transition: 0.3s ease, color 0.3s ease;
    padding-top: var(--header-height); /* Space for the fixed header */
    padding-bottom: 45px; /* Space for the fixed footer */
    box-sizing: border-box;
}

body.dark {
    background-color: var(--bg-color-dark);
    color: var(--text-color-dark);
}

:root {
    /* Light Theme Colors (Default) */
    --buttontest-bg:#a9d0f5;
   --buttontest-bdr:#92c4f2;
    --primary-color-light: #1FBAD6; /* Blue */
    --primary-color-active: #166A84; /*ACTIVE TAB COLOR */
    --secondary-color-light: #50E3C2; /* Green */
    --accent-color-light: #F5A623; /* Orange */
    --bg-color-light: #F0F2F5; /* Light Gray */
    --card-bg-real-test: #d9edf7;
    --bg-transparent-test: transparent; /*transparent*/
    --card-bg-light: #FFFFFF; /* White */
    --border-color-light: #E0E0E0;
    --text-color-light: #333333;
    --text-light-secondary: #666666;
    --shadow-light: rgba(0, 0, 0, 0.1);

    /* Dark Theme Colors */
    --primary-color-dark: #6CACE4; /* Lighter Blue */
    --secondary-color-dark: #7ED3B2; /* Lighter Green */
    --accent-color-dark: #F8E71C; /* Yellow */
    --bg-color-dark: #2C3E50; /* Dark Blue-Gray */
    --card-bg-dark: ;/*#34495E; Medium Dark Blue-Gray */
    --border-color-dark: #4A6572;
    --text-color-dark: #E0E0E0;
    --text-dark-secondary: #B0B0B0;
    --shadow-dark: rgba(0, 0, 0, 0.3);

    /* Status Colors */
    --visited-light: #ADD8E6;
    --visited-dark: #2A52BE;
    --visited-text-light: #004085;
    --visited-text-dark: #E0FFFF;
    --reviewed-light: #FFC107;
    --reviewed-dark: #E0A800;
    --orange-light-bg: #ffe0b3;

    /* Sizing Variables */
    --header-height: 57px;
    --sidebar-width: 310px;
    --footer-height: 80px; /* Estimated height for body padding */
}

/* --- Pre-Test & Instruction Flow Styles --- */
.pre-test-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: left;
    padding:10px;
    flex-grow: 1;
    overflow-y: auto;
    /*background: var(--bg-color-light);*/
}
body.dark .pre-test-container {
    /*background: var(--bg-color-dark);*/
}

.pre-test-content {
    max-width: 700px;
    width: 100%;
    /*background-color: var(--card-bg-light);*/
    padding: 30px 20px;
    border-radius: 15px;
   /* box-shadow: 0 8px 24px var(--shadow-light);
    border: 1px solid var(--border-color-light);*/
}
body.dark .pre-test-content {
    /*background-color: var(--card-bg-dark);
    box-shadow: 0 8px 24px var(--shadow-dark);
    border: 1px solid var(--border-color-dark);*/
}

.pre-test-content h2 {
    color: var(--primary-color-light);
    font-size: 1.2em;
    margin-bottom: 20px;
}
body.dark .pre-test-content h2 {
    color: var(--primary-color-dark);
}
.pre-test-content p {
    line-height: 1.7;
    font-size: 0.8em;
    margin-bottom: 15px;
}

#preTestActions {
    text-align: center;
    margin: 25px 0;
}

#preTestProcessing p {
    font-size: 0.8em;
    font-weight: 600;
    margin-bottom: 15px;
}
.spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border-left-color: var(--primary-color-light);
    animation: spin 1s ease infinite;
    margin: auto;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.instruction-flow-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    overflow: hidden;
    position: relative;
}

.instruction-page {
    padding:25px; /* Padding at bottom for footer */
    flex-grow: 1;
    font-size:0.9em;
    /*overflow-y: auto;*/
    display: none;
}
.instruction-page.active {
    display: block;
}

.instruction-page h2 {
    color: var(--primary-color-light);
    text-align: center;
    border-bottom: 2px solid var(--border-color-light);
    padding-bottom: 10px;
    margin-bottom: 20px;
    font-size:1.2rem;
}
body.dark .instruction-page h2 {
    color: var(--primary-color-dark);
    border-bottom-color: var(--border-color-dark);
}

.color-legend {
    list-style: none;
    padding: 0;
    max-width: 600px;
    margin: 20px auto;
}
.color-legend li {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 10px;
    background-color: var(--bg-color-light);
}
body.dark .color-legend li {
    background-color: var(--bg-color-dark);
}

.instruction-page ul:not(.color-legend) {
    padding-left: 20px;
    line-height: 1.6;
}
.instruction-page ul li {
    margin-bottom: 10px;
}

.instruction-controls {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color-light);
}
body.dark .instruction-controls {
    border-top-color: var(--border-color-dark);
}

.language-selection-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    justify-content:left;
    flex-wrap: wrap;
}
.language-selection-group label {
    font-weight: 500;
}

.consent-container {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background-color: var(--card-bg-light);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--accent-color-light);
}
body.dark .consent-container {
    background-color: var(--bg-color-dark);
    border-color: var(--accent-color-dark);
}
.consent-container input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 3px;
    flex-shrink: 0;
    cursor: pointer;
    accent-color: var(--primary-color-light);
}
.consent-container label {
    font-size: 0.9em;
    line-height: 1.5;
    cursor: pointer;
}

.instruction-flow-footer {
    padding: 10px 20px;
    background-color: var(--card-bg-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 -2px 10px var(--shadow-light);
    z-index: 10;
    box-sizing: border-box;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
}
body.dark .instruction-flow-footer {
    background-color: var(--card-bg-dark);
    box-shadow: 0 -2px 10px var(--shadow-dark);
    border-top-color: var(--border-color-dark);
}

.footer-nav-buttons {
    display: flex;
    gap: 10px;
}

/* --- Section Selection Screen Styles --- */
.section-selection-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    position: relative;
    background: var(--bg-color-light);
}
body.dark .section-selection-container {
    background: var(--bg-color-dark);
}

.selection-content {
    padding:10px;
    flex-grow: 1;
    overflow-y: auto;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}
.selection-title {
    color: var(--primary-color-light);
    text-align: center;
    border-bottom: 2px solid var(--border-color-light);
    padding-bottom: 10px;
    margin-bottom: 20px;
}
body.dark .selection-title {
    color: var(--primary-color-dark);
    border-bottom-color: var(--border-color-dark);
}

.selection-note {
    background-color: #fff3cd;
    border-left: 5px solid #ffc107;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 25px;
}
body.dark .selection-note {
    background-color: #332701;
    border-color: #ffc107;
}
.selection-instructions {
    margin: 0;
    font-weight: 500;
    color: #664d03;
}
body.dark .selection-instructions {
    color: #ffda6a;
}

.selection-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

.section-list, .optional-group {
    background-color: var(--card-bg-light);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--shadow-light);
    border-top: 4px solid var(--primary-color-light);
}
body.dark .section-list, body.dark .optional-group {
    background-color: var(--card-bg-dark);
    box-shadow: 0 4px 12px var(--shadow-dark);
    border-top-color: var(--primary-color-dark);
}

body.dark .section-list h3 {
    border-bottom-color: var(--border-color-dark);
}
.section-list h3 .icon, .optional-group-title .icon {
    width: 22px;
    height: 22px;
    opacity: 0.9;
    color: var(--primary-color-light);
}
body.dark .section-list h3 .icon, body.dark .optional-group-title .icon {
    color: var(--primary-color-dark);
}

.optional-group .optional-item{vertical-align:middle;align-items:center;display:flex;}

.optional-group-header {
   border-bottom: 1px solid var(--border-color-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding:5px;
}
  
  body.dark  .optional-group-header{ border-bottom-color: var(--border-color-dark);}

.optional-group-title {
    margin: 10px 0 0 5px;
}
  
.mandatory-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.mandatory-list li {
    background-color: var(--bg-color-light);
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--border-color-light);
    font-weight: 600;
}
body.dark .mandatory-list li {
    background-color: var(--bg-color-dark);
    border-color: var(--border-color-dark);
}

.optional-group-rule {
    font-size: 0.9em;
    color: var(--accent-color-light);
    font-weight: 500;
    margin-top: -10px;
    margin-bottom: 15px;
}
body.dark .optional-group-rule {
    color: var(--accent-color-dark);
}
.optional-group-items {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.optional-item label {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--bg-color-light);
    padding: 10px 15px;
    border: 1px solid var(--border-color-light);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
}
body.dark .optional-item label {
    background-color: var(--bg-color-dark);
    border-color: var(--border-color-dark);
}
.optional-item input[type="checkbox"],
.optional-item input[type="radio"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary-color-light);
}
.optional-item label:hover {
    border-color: var(--primary-color-light);
}
body.dark .optional-item label:hover {
    border-color: var(--primary-color-dark);
}
.optional-item label:has(input:checked) {
    background-color: var(--primary-color-light);
    color: white;
    border-color: var(--primary-color-light);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
body.dark .optional-item label:has(input:checked) {
    background-color: var(--primary-color-dark);
    border-color: var(--primary-color-dark);
}

.selection-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 15px 30px;
    background-color: var(--card-bg-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 -2px 10px var(--shadow-light);
    z-index: 10;
    box-sizing: border-box;
}
body.dark .selection-footer {
    background-color: var(--card-bg-dark);
    box-shadow: 0 -2px 10px var(--shadow-dark);
}

/* Header Styles */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background-color: var(--primary-color-light);
    color: white;
    border-bottom: 1px solid var(--border-color-light);
    flex-shrink: 0;
    position: fixed; /* Make header fixed */
    top: 0;
    left: 0;
    width: 100%;
    z-index: 101; /* Ensure header is on top */
    height: var(--header-height);
    box-sizing: border-box;
}

body.dark .app-header {
    background-color: var(--primary-color-dark);
    border-color: var(--border-color-dark);
}

.app-title {
    margin: 0;
    font-size: 1.8em;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    color:#fff;
}

/* Logo Link aur Group styling */
.logo-link {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.title-group {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    max-width: 100%;
}

/* IMAGE SIZE FIX: Desktop par height control karein */
.app-logo {
    height: 30px !important; /* Desktop ke liye balanced height */
    width: auto;
    max-width: 120px;
    display: block;
    object-fit: contain;
   margin:0 !important;
}

#desktopTestTitle {
    font-size: 0.7em;
    font-weight: 500;
    color: #fff;
    opacity: 0.95;
    display: inline-block !important; /* Force show */
}

/* SEO Only Class */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* --- MOBILE SPECIFIC FIX --- */
@media (max-width: 768px) {
    .app-header {
        height: 60px; /* Header ko thoda bada kiya taki dono cheeze fit hon */
        padding: 5px 10px;
    }

    .title-group {
        flex-direction: column; /* Stack logo on top, title below */
        align-items: flex-start;
        gap: 0px;
    }

    .app-logo {
        height: 30px !important; /* Mobile par logo size aur chota kiya */
        max-width: 100px;
    }

    #desktopTestTitle {
        font-size: 14px !important; /* Title ko chota kiya taki screen se bahar na jaye */
        line-height: 1.2;
        margin-top: 1px;
        display: block !important;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 220px;
    }
}
.header-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.timer-display {
    /*font-size: 1.1em;*/
    background-color: rgba(255, 255, 255, 0.2);
    padding:0 10px;
    border-radius: 6px;
}

.timer-prefix {
    display: none;
}

/* Main Content Layout */
#test-main-interface-container {
    display: flex;
    flex-grow: 1;
}

/* --- Question Area --- */
.question-area {
    flex: 1;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-right: 1px solid var(--border-color-light);
    margin-bottom:8px;
}

body.dark .question-area {
    border-right-color: var(--border-color-dark);
}

.question-content-container {
    flex-grow: 1;
}

.question-display {
    background-color: var(--card-bg-light);
    padding: 15px;
    border-radius: 8px;
   /* box-shadow: 0 1px 4px var(--shadow-light);*/
    position: relative;
    display: flex;
    flex-direction: column;
}
body.dark .question-display {
    background-color: var(--card-bg-dark);
    /*box-shadow: 0 1px 4px var(--shadow-dark);*/
}

.question-title {
    font-size: 1.1em;
    margin-top: 0;
    margin-bottom: 10px;
    line-height: 1.5;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.question-status-tag {
    position: absolute;
    top: 5px;
    right: 10px;
    padding: 2px 4px;
   align-items: center;
    border-radius: 10px;
    font-size: 0.5em;
    font-weight: 600;
    text-transform: uppercase;
    color: white;
    z-index: 5;
}

.question-status-tag.correct, .question-status-tag.answered { background-color: #28a745; }
.question-status-tag.incorrect { background-color: #dc3545; }
.question-status-tag.reviewed { background-color: var(--reviewed-light); color: #333;}
.question-status-tag.visited { background-color: var(--visited-dark); color: var(--visited-text-dark); }
.question-status-tag.unattempted { background-color: #6c757d; }

.options-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 15px;
}

.option-btn {
    background-color: var(--bg-color-light);
    border: 1px solid var(--border-color-light);
    padding: 10px 12px;
    border-radius: 6px;
    text-align: left;
    cursor: pointer;
    font-size: 0.95em;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-color-light);
}
body.dark .option-btn {
    background-color: var(--bg-color-dark);
    border-color: var(--border-color-dark);
    color: var(--text-color-dark);
}
.option-btn:hover:not(:disabled) {
    background-color: var(--primary-color-light);
    color: white;
    border-color: var(--primary-color-light);
}
body.dark .option-btn:hover:not(:disabled) {
    background-color: var(--primary-color-dark);
    border-color: var(--primary-color-dark);
    color: white;
}
.option-btn.selected {
    background-color: var(--primary-color-light);
    color: white;
    border-color: var(--primary-color-light);
    font-weight: 600;
}
body.dark .option-btn.selected {
    background-color: var(--primary-color-dark);
    border-color: var(--primary-color-dark);
    color: white;
}
.option-btn.correct-feedback { background-color: #d4edda; border-color: #28a745; color: #155724; font-weight: 600;}
body.dark .option-btn.correct-feedback { background-color: #1a4d2e; border-color: #28a745; color: #d4edda; }
.option-btn.incorrect-feedback { background-color: #f8d7da; border-color: #dc3545; color: #721c24; font-weight: 600; }
body.dark .option-btn.incorrect-feedback { background-color: #5c1b1f; border-color: #dc3545; color: #f8d7da; }
.option-btn:disabled { cursor: not-allowed; opacity: 0.7; }

.navigation-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    width: 100%;
    margin: 0;
    padding: 0;
    background-color: transparent;
}

#main-test-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%; /* Full width on mobile by default */
    z-index: 100;
    background-color: var(--card-bg-light);
    border-top: 1px solid var(--border-color-light);
    /*box-shadow: 0 -2px 10px var(--shadow-light);*/
    padding: 10px;
    box-sizing: border-box;
}

body.dark #main-test-footer {
    background-color: var(--bg-color-dark);
    border-top-color: var(--border-color-dark);
    /*box-shadow: 0 -2px 10px var(--shadow-dark);*/
}

/* Section Navigation */
.section-navigation-top {
    background-color: var(--card-bg-light);
    /*padding: 8px 0;
    border-radius: 6px;
    box-shadow: 0 1px 4px var(--shadow-light);*/
    display: flex;
    flex-direction: column;
    gap: 4px;
    border-bottom: 1px solid var(--border-color-light);
    flex-shrink: 0;
    margin-bottom:;
}
body.dark .section-navigation-top {
    background-color: var(--card-bg-dark);
    /*box-shadow: 0 1px 4px var(--shadow-dark);*/
    border-color: var(--border-color-dark);
}

.top-header-controls-row {
    display: flex;
    align-items: center; /* Vertically center both sides */
    justify-content: space-between; /* Push left and right sides apart */
    gap: 12px;
    padding:0;
}

body.dark .top-header-controls-row {
    border-bottom-color: var(--border-color-dark);
}

.top-header-question-info {
    font-size: 1em;
    font-weight: 600;
    color:black;
    flex-shrink: 0; /* Don't let it shrink */
}
body.dark .top-header-question-info {
    color: var(--primary-color-dark);
}

.top-header-controls-group {
    display: flex;
    align-items: flex-start; /* Align controls to their top labels */
    gap: 12px;
    flex-wrap: wrap; /* Allow wrapping on small screens */
    justify-content: flex-end; /* Align to the right */
}

.top-control-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    flex-shrink: 0;
}

.top-control-label {
    font-size: 0.65em;
    font-weight: 600;
    color: var(--text-light-secondary);
    text-transform: uppercase;
}
body.dark .top-control-label {
    color: var(--text-dark-secondary);
}

.report-icon-btn {
    background: transparent;
    border: none;
    color: var(--primary-color-light);
    cursor: pointer;
    padding: 5px;
    border-radius: 6px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
body.dark .report-icon-btn {
    color: var(--primary-color-dark);
}
.report-icon-btn:hover {
    background-color: var(--bg-color-light);
    color: var(--text-color-light);
}
body.dark .report-icon-btn:hover {
    background-color: var(--bg-color-dark);
    color: var(--text-color-dark);
}
.report-icon-btn .icon { width: 16px; height: 16px; }

.question-timer-display {
    font-size: 0.9em;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
    background-color: transparent;
    padding:0;
    border-radius: 6px;
    border: 1px solid transparent; /* Keep layout stable */
    flex-shrink: 0;
}
.question-timer-display .icon { width: 16px; height: 16px; color: var(--accent-color-light); }
body.dark .question-timer-display .icon { color: var(--accent-color-dark); }

.marks-display {
    display: flex;
    align-items: center;
    gap: 4px;
}

.marks-display .mark-item {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8em;
    font-weight: 700;
    border-radius: 10px;
    padding: 4px 6px;
    min-width: 20px;
    height: 20px;
    box-sizing: border-box;
}

.marks-display .mark-item span {
    font-weight: 700;
}

.marks-display .correct-mark {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}
.marks-display .incorrect-mark {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

body.dark .marks-display .correct-mark {
    background-color: #1a4d2e;
    color: #d4edda;
    border-color: #28a745;
}
body.dark .marks-display .incorrect-mark {
    background-color: #5c1b1f;
    color: #f8d7da;
    border-color: #dc3545;
}
  
#languageSelectDesktop .language-select-minimal {
    background-color:transparent;
    color: var(--text-color-light);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
   /* background-image: url('data:image/svg+xml;utf8,<svg fill="gray" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/><path d="M0 0h24v24H0z" fill="none"/></svg>');*/
    background-repeat: no-repeat;
    background-position: right 0px center;
    padding-right:30px;
    height: 36px;
    border:1px solid #ddd;
}
body.dark .language-select-minimal {
    color: var(--text-color-dark);
    /*background-image: url('data:image/svg+xml;utf8,<svg fill="lightgray" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/><path d="M0 0h24v24H0z" fill="none"/></svg>');*/
    background-color:var(--bg-color-dark);
}
.language-select-minimal:hover {
    background-color: var(--bg-color-light);
}
body.dark .language-select-minimal:hover {
    background-color: var(--bg-color-dark);
}


/* Find and modify this existing rule */
.section-buttons {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 6px;
    padding: 4px 0;
    -ms-overflow-style: none;
    scrollbar-width: none;
    /* --- ADD THE LINES BELOW --- */
    cursor: grab; /* Shows a "grab" hand icon on hover */
    user-select: none; /* Prevents text selection while dragging */
}

/* Add this new rule for when the user is actively dragging */
.section-buttons.active-drag {
    cursor: grabbing; /* Shows a "grabbing" hand icon */
    cursor: -webkit-grabbing;}

.section-buttons::-webkit-scrollbar { display: none; }
.section-btn, #changeOptionalBtn {
    flex-shrink: 0;
    /*background-color: var(--bg-color-light);
    color: var(--text-color-light);
    border: 1px solid var(--border-color-light);*/
    border:none;
    background:transparent;
    padding: 8px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8em;
    font-weight:600;
    transition: all 0.2s ease;
}
body.dark .section-btn, body.dark #changeOptionalBtn {
    background-color: var(--bg-color-dark);
    color: var(--text-color-dark);
    border-color: var(--border-color-dark);
}
.section-btn:hover:not(:disabled), #changeOptionalBtn:hover {
    background-color: var(--primary-color-light);
    color: white;
    border-color: var(--primary-color-light);
}
body.dark .section-btn:hover:not(:disabled), body.dark #changeOptionalBtn:hover {
    background-color: var(--primary-color-dark);
    border-color: var(--primary-color-dark);
}
.section-btn.active-section {
    background-color: var(--primary-color-active);
    color: white;
    border-color: var(--primary-color-light);
    font-weight: 500;
}
body.dark .section-btn.active-section {
    background-color: var(--primary-color-dark);
    border-color: var(--primary-color-dark);
}
.section-btn.locked {
    background-color: #e9ecef;
    color: #6c757d;
    cursor: not-allowed;
    text-decoration: line-through;
    opacity: 0.8;
}
body.dark .section-btn.locked {
    background-color: #495057;
    color: #adb5bd;
}

/* Question Paper & In-Test Instructions */
.question-paper-display, .instructions-display {
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    overflow-y: auto;
    background-color: var(--card-bg-light);
    width: 100%;
    height: 100%;
    box-sizing: border-box;
}
body.dark .question-paper-display, body.dark .instructions-display {
    background-color: var(--card-bg-dark);
}
.question-paper-header, .instructions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background-color: var(--bg-color-light);
    border-radius: 8px;
    box-shadow: 0 1px 4px var(--shadow-light);
    flex-shrink: 0;
}
body.dark .question-paper-header, body.dark .instructions-header {
    background-color: var(--bg-color-dark);
    box-shadow: 0 1px 4px var(--shadow-dark);
}
.question-paper-header h2, .instructions-header h2 {
    margin: 0;
    font-size: 1.4em;
    color: var(--primary-color-light);
}
body.dark .question-paper-header h2, body.dark .instructions-header h2 {
    color: var(--primary-color-dark);
}
.question-paper-content, .instructions-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-grow: 1;
    background-color: var(--bg-color-light);
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 1px 4px var(--shadow-light);
}
body.dark .question-paper-content, body.dark .instructions-content {
    background-color: var(--bg-color-dark);
    box-shadow: 0 1px 4px var(--shadow-dark);
}
.instructions-content ul { list-style-type: disc; padding-left: 20px; margin: 0; }
.instructions-content li { margin-bottom: 5px; }
.question-paper-item {
    background-color: var(--card-bg-light);
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color-light);
    box-shadow: 0 1px 4px var(--shadow-light);
}
body.dark .question-paper-item {
    background-color: var(--card-bg-dark);
    border-color: var(--border-color-dark);
    box-shadow: 0 1px 4px var(--shadow-dark);
}

.question-paper-item.qp-correct { background-color: #d4edda; border-left: 5px solid #28a745; }
.question-paper-item.qp-incorrect { background-color: #f8d7da; border-left: 5px solid #dc3545; }
.question-paper-item.qp-reviewed { background-color: #fff3cd; border-left: 5px solid #ffc107; }
.question-paper-item.qp-unattempted { background-color: var(--bg-color-light); border-left: 5px solid #6c757d; }
body.dark .question-paper-item.qp-correct { background-color: #1a4d2e; }
body.dark .question-paper-item.qp-incorrect { background-color: #5c1b1f; }
body.dark .question-paper-item.qp-reviewed { background-color: #332701; }
body.dark .question-paper-item.qp-unattempted { background-color: var(--bg-color-dark); }

.question-paper-item .question-text { font-weight: 600; margin-bottom: 10px; }
.question-paper-item ul { list-style-type: none; padding-left: 0; margin: 0; }
.question-paper-item ul li { padding: 6px 10px; border-radius: 5px; margin-top: 5px; background-color: var(--bg-color-light); border: 1px solid var(--border-color-light); }
body.dark .question-paper-item ul li { background-color: var(--bg-color-dark); border-color: var(--border-color-dark); }
.question-paper-item .qp-user-answer { background-color: #e2e3e5; border: 1px solid #007bff; }
body.dark .question-paper-item .qp-user-answer { background-color: #495057; border: 1px solid var(--primary-color-dark); }
.question-paper-item .qp-correct-answer { background-color: #d4edda; border: 1px solid #28a745; font-weight: 600; }
body.dark .question-paper-item .qp-correct-answer { background-color: #1a4d2e; border-color: #28a745; }

/* Sidebar & Palette */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.4); /* Halka black transparent background */
    backdrop-filter: blur(4px); /* Piche ke content ko blur karne ke liye */
    -webkit-backdrop-filter: blur(4px); /* Safari support ke liye */
    z-index: 998; /* Dhyan rahe, aapke sidebar ka z-index 999 ya isse zyada hona chahiye */
    transition: opacity 0.3s ease;
}

.sidebar-overlay.hidden {
    opacity: 0;
    pointer-events: none; /* Hide hone par click allow karega */
}
.sidebar {
    min-width: var(--sidebar-width);
    max-width: var(--sidebar-width);
    background-color: var(--card-bg-real-test);
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    transition: background-color 0.3s ease;
    overflow-y: auto;
    flex-shrink: 0;
}
body.dark .sidebar {
    background-color: var(--card-bg-dark);
}
.sidebar-content {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding-bottom:10px;
    flex-grow: 1;
}
.sidebar-title { font-size: 1.4em; margin-top: 0; }
.test-mode-counts, .reattempt-overview {background-color:var(--bg-transparent-test);/* var(--bg-color-light); */padding: 10px; border-radius: 6px; box-shadow: inset 0 0 4px rgba(0, 0, 0, 0.05); }
body.dark .test-mode-counts, body.dark .reattempt-overview { background-color:transparent;/* var(--bg-color-dark);*/ box-shadow: inset 0 0 4px rgba(255, 255, 255, 0.05); }
.test-mode-counts p, .reattempt-overview p { margin: 4px 0; font-size: 0.9em; font-weight: 500; }
.test-mode-counts p span, .reattempt-overview p span { font-weight: 700; padding: 2px 8px; border-radius: 4px; display: inline-block; min-width: 20px; text-align: center; color: white; }

span#sidebarAnsweredCount, span#reattemptCorrect { background-color: #28a745; }
span#sidebarReviewedCount, span#reattemptReviewed { background-color: var(--reviewed-light); color: #333; }
span#sidebarUnattemptedCount, span#reattemptUnattempted { background-color: #6c757d; }
span#sidebarVisitedCount, span#reattemptVisited { background-color: var(--visited-light); color: var(--visited-text-light); }
body.dark span#sidebarVisitedCount, body.dark span#reattemptVisited { background-color: var(--visited-dark); color: var(--visited-text-dark); }
span#sidebarAnsweredReviewedCount { background-color: var(--reviewed-light); color: #333; border: 2px dashed #28a745; }
span#reattemptIncorrect { background-color: #dc3545; }

.palette-title { font-size: 1em; font-weight: 600; margin-bottom: 8px; border-bottom: 1px solid var(--border-color-light);}
 body.dark .palette-title{color:var(--text-color-dark);}
.question-palette { background-color:var(--bg-transparent-test); padding: 10px; border-radius: 6px; box-shadow: inset 0 0 4px rgba(0, 0, 0, 0.05); flex-grow: 1; min-height:250px;max-height: 350px; overflow-y: auto; }
body.dark .question-palette { background-color:var(--bg-transparent-test);/* var(--bg-color-dark);*/ box-shadow: inset 0 0 4px rgba(255, 255, 255, 0.05); }
.palette-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(36px, 1fr)); gap: 6px; }
.palette-item { width: 36px; height: 36px; display: flex; justify-content: center; align-items: center; background-color: #e0e0e0; border: 1px solid #c0c0c0; border-radius: 6px; cursor: pointer; font-size: 0.85em; font-weight: 500; transition: all 0.2s ease; }
body.dark .palette-item { background-color: #4a4a4a; border-color: #606060; color: white; }
.palette-item.unattempted { background-color: #f0f0f0; color: #666; }
body.dark .palette-item.unattempted { background-color: #555; color: #ccc; }
.palette-item.answered { background-color: #28a745; color: white; }
.palette-item.reviewed { background-color: var(--reviewed-light); color: #333; }
.palette-item.answered-reviewed { background-color: var(--reviewed-light); border: 2px dashed #28a745; color: #333; font-weight: 600; }
body.dark .palette-item.answered-reviewed { background-color: var(--reviewed-dark); border: 2px dashed #1a4d2e; color: white; }
.palette-item.visited-unanswered { background-color: var(--visited-light); color: var(--visited-text-light); border: 1px solid var(--visited-dark); }
body.dark .palette-item.visited-unanswered { background-color: var(--visited-dark); color: var(--visited-text-dark); border: 1px solid var(--visited-light); }
.palette-item.current { border: 2px solid var(--primary-color-light); box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.3); }
body.dark .palette-item.current { border: 2px solid var(--primary-color-dark); box-shadow: 0 0 0 2px rgba(108, 172, 228, 0.3); }
.palette-item.correct-result { background-color: #28a745; color: white; }
.palette-item.incorrect-result { background-color: #dc3545; color: white; }
body.dark .palette-item.correct-result { background-color: #1a4d2e; }
body.dark .palette-item.incorrect-result { background-color: #5c1b1f; }
.palette-item.locked { background-color: #6c757d; color: white; cursor: not-allowed; opacity: 0.6; text-decoration: line-through;}

.sidebar .submit-btn { width: 100%; padding: 10px; font-size: 1em;border:none;border-radius:5px; }
.instructions-and-qp-buttons { display: flex; flex-direction:row; gap: 10px; margin-top: auto; padding-top:; }
.instructions-and-qp-buttons .control-btn { width: 100%; }
.sidebar-toggle-feedback { display: flex; align-items: center; gap: 8px; background-color: var(--bg-color-light); padding: 8px; border-radius: 6px; }
body.dark .sidebar-toggle-feedback { background-color: var(--bg-color-dark); }

/* Mobile & Responsive Styles */
.sidebar-toggle-btn { display: none; position: fixed; top: 78%; background-color: var(--primary-color-light); color: white; border: none; width: 40px; height: 40px; justify-content: center; align-items: center; cursor: pointer; box-shadow: 0 1px 8px rgba(0, 0, 0, 0.2); z-index: 1011; transition: transform 0.3s ease, right 0.3s ease; }
body.dark .sidebar-toggle-btn { background-color: var(--primary-color-dark); }
.sidebar-toggle-btn .icon { width: 20px; height: 20px; }
.sidebar.show + .sidebar-toggle-btn { transform: translateX(-310px); }
@media (max-width: 400px) {.hide-textp{display:none;}}
@media (max-width: 300px) {.instructions-and-qp-buttons { flex-direction: column; }}    
@media (max-width: 768px) {
    #test-main-interface-container { flex-direction: column; height: auto; }

    .question-area {
        border-right: none;
        border-bottom: 1px solid var(--border-color-light);
    }
    body.dark .question-area {
        border-bottom-color: var(--border-color-dark);
    }

    .sidebar {
        position: fixed;
        top: 0;
        right: -320px;
        width: 280px;
        height: 100%;
        box-shadow: -3px 0 10px rgba(0, 0, 0, 0.2);
        z-index: 1011;
        transition: right 0.3s ease;
        max-height: 100vh;
    }
    .sidebar.show { right: 0; }
    .sidebar-toggle-btn.hidden { display: none !important; }
    .sidebar-toggle-btn { display: flex; right: 0px; }
    .header-controls { flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
    .app-header { padding: 8px 10px; }

    #main-test-footer .navigation-buttons {
        justify-content: center;
    }
    .instruction-flow-footer, #main-test-footer .navigation-buttons{overflow-x:auto;}
    
    
    .top-header-controls-row {
        flex-wrap: wrap; /* Allow wrapping on mobile */
        gap: 10px;
    }
    
    .question-header-label {
        display: none; /* Hide "Question " text on mobile */
    }

    .modal-content { width: 90%; max-width: 95vw; padding: 15px; }
  .question-timer-display svg{display:none;}
}

@media (min-width: 769px) {
    .modal-content {max-width: 450px; width: 85%; max-height: 90vh;}
    #test-main-interface-container {width: calc(100% - 310px);}
    .sidebar {
        position: fixed;
        right: 0;
        top: var(--header-height);
        height: calc(100vh - var(--header-height));
    }
    #main-test-footer {
        width: calc(100% - 310px);
    }
    .instructions-and-qp-buttons { flex-direction: row; justify-content: space-between; }
    .instructions-and-qp-buttons .control-btn { width: 48%; }
    .top-header-controls-row { flex-wrap: nowrap; } /* Prevent wrapping on desktop */
    .timer-prefix { display: inline; margin-right: 5px; }

    .navigation-buttons {
        margin-top: 0;
        border-top: none;
    }

    .question-content-container {
        flex-grow: 1;
    }

    .question-area {
        width: calc(100% - 310px);
        padding-bottom: 10px;
    }

}


@media (min-width: 1200px) {
    .question-display.long-question-layout-active {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        align-items: start;
    }
    .question-display.long-question-layout-active .question-title {
       margin-bottom: 0;
    }
    .question-display.long-question-layout-active .options-container {
        margin-top: 0;
    }
    .question-display.long-question-layout-active #reattemptSolutionArea {
        grid-column: 1 / -1;
    }
}


/* --- Custom Toggle Switch Styles --- */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}
.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.switch-label {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    border-radius: 24px;
    transition: background-color 0.3s;
}
body.dark .switch-label {
    background-color: #555;
}
.switch-label::after {
    content: '';
    position: absolute;
    height: 20px;
    width: 20px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    border-radius: 50%;
    transition: transform 0.3s;
}
.toggle-switch input:checked + .switch-label {
    background-color: var(--primary-color-light);
}
body.dark .toggle-switch input:checked + .switch-label {
    background-color: var(--primary-color-dark);
}
.toggle-switch input:checked + .switch-label::after {
    transform: translateX(20px);
}
.sidebar-toggle-feedback {
    justify-content: space-between;
}

/* Modals & Popups */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.6); display: flex; justify-content: center; align-items: center; z-index: 1010; }
.modal-content { background-color: var(--card-bg-light); padding: 20px; border-radius: 10px; box-shadow: 0 4px 15px var(--shadow-light);  text-align: center;  overflow-y: auto; }
body.dark .modal-content { background-color: var(--card-bg-dark); box-shadow: 0 4px 15px var(--shadow-dark); }
.modal-title { font-size: 1.6em; margin-top: 0; margin-bottom: 15px; color: var(--primary-color-light); }
body.dark .modal-title { color: var(--primary-color-dark); }
.modal-title.red-text { color: #dc3545; }
.modal-message { font-size: 1em; margin-bottom: 20px; }
.modal-details { background-color: var(--bg-color-light); padding: 10px; border-radius: 6px; margin-bottom: 20px; text-align: left; line-height: 1.6; }
body.dark .modal-details { background-color: var(--bg-color-dark); }

.modal-details .popup-stat { display: flex; align-items: center; gap: 8px; font-weight: 500; margin: 6px 0; }
.modal-details .popup-stat span[class^="stat-bg-"] { font-weight: 700; padding: 2px 8px; border-radius: 4px; display: inline-block; min-width: 24px; text-align: center; color: white; font-size: 0.9em; }
.stat-bg-answered { background-color: #28a745; }
.stat-bg-answered-reviewed { background-color: var(--reviewed-light); color: #333; border: 2px dashed #28a745; }
.stat-bg-reviewed { background-color: var(--reviewed-light); color: #333; }
.stat-bg-visited { background-color: var(--visited-light); color: var(--visited-text-light); }
.stat-bg-unattempted { background-color: #6c757d; }
body.dark .stat-bg-answered-reviewed { color: white; border-color: #1a4d2e;}
body.dark .stat-bg-reviewed { color: #333; }
body.dark .stat-bg-visited { background-color: var(--visited-dark); color: var(--visited-text-dark); }

.modal-details p { margin: 4px 0; }
.modal-actions { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.modal-content form { text-align: left; }
.form-group { margin-bottom: 12px; }
.form-group label { display: block; margin-bottom: 4px; font-weight: 600; }
.form-group input[type="text"], .form-group input[type="email"], .form-group input[type="tel"], .form-group textarea { width: 100%; padding: 8px; border: 1px solid var(--border-color-light); border-radius: 6px; font-family: 'Inter', sans-serif; font-size: 0.95em; background-color: var(--bg-color-light); color: var(--text-color-light); box-sizing: border-box; }
body.dark .form-group input, body.dark .form-group textarea { background-color: var(--bg-color-dark); border-color: var(--border-color-dark); color: var(--text-color-dark); }
.form-group textarea { resize: vertical; min-height: 70px; }
.privacy-note { color: #dc3545; font-size: 0.85em; margin-bottom: 10px; font-weight: 500; text-align: center; }

/* Styles for the "Change Optional Subject" Modal */
.optional-subject-change-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
    text-align: left;
    margin: 20px 0;
}
.optional-subject-choice-group .group-title {
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 1.1em;
    border-bottom: 1px solid var(--border-color-light);
    padding-bottom: 5px;
}
body.dark .optional-subject-choice-group .group-title {
    border-bottom-color: var(--border-color-dark);
}
.optional-subject-change-container .choice-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: var(--bg-color-light);
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color-light);
    cursor: pointer;
    transition: border-color 0.2s ease;
}
body.dark .optional-subject-change-container .choice-item {
    background-color: var(--bg-color-dark);
    border-color: var(--border-color-dark);
}
.optional-subject-change-container .choice-item:hover {
    border-color: var(--primary-color-light);
}
body.dark .optional-subject-change-container .choice-item:hover {
    border-color: var(--primary-color-dark);
}
.optional-subject-change-container .choice-item:has(input:checked) {
    border-color: var(--primary-color-light);
    background-color: var(--bg-color-light);
}
body.dark .optional-subject-change-container .choice-item:has(input:checked) {
    border-color: var(--primary-color-dark);
}
.optional-subject-change-container input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color-light);
    cursor: pointer;
}
.optional-subject-change-container label {
    font-weight: 500;
    cursor: pointer;
    flex-grow: 1;
}

/* Utility & Control Buttons */
.hidden { display: none !important; }
.control-btn { padding: 8px 10px; border: none; border-radius: 6px; cursor: pointer; font-size: 0.8em; transition: all 0.2s ease; white-space: nowrap; text-align: center; display: inline-flex; align-items: center; justify-content: center; }
 #threeDotMenuBtn {width:20px;height:30px;border-radius:5px;margin-top:5px;}
 #pauseResumeBtnDesktop {padding-left:5px; padding-right:5px;width:auto;height:30px;border-radius:5px;}
.control-btn.icon-btn { width: 36px; height: 36px; padding: 0; background-color: rgba(255, 255, 255, 0.2); color: white; border-radius: 50%; }
.control-btn.icon-btn .icon { width: 20px; height: 20px; color: white; }
body.dark .control-btn.icon-btn { background-color: rgba(0, 0, 0, 0.2); }
.control-btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1); }
.control-btn.blue-btn, .submit-btn.blue-btn { background-color: var(--primary-color-light);/*#007bff;*/ color: white; }
.control-btn.purple-btn { background-color: #6f42c1; color: white; -webkit-appearance: none; -moz-appearance: none; appearance: none; background-image: url('data:image/svg+xml;utf8,<svg fill="white" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/><path d="M0 0h24v24H0z" fill="none"/></svg>'); background-repeat: no-repeat; background-position: right 8px center; padding-right: 25px; height: 36px; }
.control-btn.green-btn { background-color: #28a745; color: white; }
.control-btn.buttontest-btn { background-color:var(--buttontest-bg);border-color:var(--buttontest-bdr); color:var(--text-color-light); }
.control-btn.gray-btn { background-color: #6c757d; color: white; }
.control-btn.yellow-btn { background-color: #ffc107; color: #333; }
.control-btn.red-btn, .submit-btn.red-btn { background-color: #dc3545; color: white; }
.control-btn.large-btn { padding: 10px 20px; font-size: 0.9em; font-weight: 600; }
.control-btn:disabled { cursor: not-allowed; opacity: 0.6; }

/* Result Page */
.result-page { display: flex; flex-direction: column; flex-grow: 1; background-color: var(--bg-color-light); overflow-y: auto; }
body.dark .result-page { background-color: var(--bg-color-dark); }
.result-content-wrapper { padding: 10px; flex-grow: 1; }
.result-content { /*background-color: var(--card-bg-light); padding: 20px; border-radius: 10px; box-shadow: 0 3px 15px var(--shadow-light);*/ max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; gap:4px; }
body.dark .result-content { /*background-color: var(--card-bg-dark); box-shadow: 0 3px 15px var(--shadow-dark);*/ }
.result-display-toggle { display: flex; justify-content: center; gap: 10px; margin-bottom: 1px; flex-wrap: wrap; }
.result-section-navigation {
    margin: 0 0 15px 0;
}
.result-section-title { font-size: 1.6em; color: var(--primary-color-light); text-align: center; margin-bottom: 15px; }
body.dark .result-section-title { color: var(--primary-color-dark); }
.summary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; text-align: center; }
.summary-item { padding: 12px; border-radius: 8px; color: white; box-shadow: 0 1px 8px rgba(0, 0, 0, 0.1); }
.summary-item.blue-bg { background-color: #007bff; }
.summary-item.green-bg { background-color: #28a745; }
.summary-item.red-bg { background-color: #dc3545; }
.summary-item.yellow-bg { background-color: var(--reviewed-light); color: #333; }
.summary-item.gray-bg { background-color: #6c757d; }
.summary-item.purple-bg { background-color: #6f42c1; }
.summary-item.orange-bg { background-color: #F5A623; color: white; }
.summary-item.orange-dark-bg { background-color: #E67E22; color: white; }
.summary-item.orange-light-bg { background-color: var(--visited-light); color: var(--visited-text-light); }
body.dark .summary-item.orange-light-bg { background-color: var(--visited-dark); color: var(--visited-text-dark); }
.summary-label { font-size: 0.85em; font-weight: 700; margin-bottom: 4px; opacity: 0.9; }
.summary-value { font-size: 1.2em; font-weight: 700; margin: 0; }
.result-note-box { background-color: var(--bg-color-light); padding: 10px;margin-bottom:10px; border-radius: 8px; border: 1px solid var(--border-color-light); font-size: 0.9em; margin-top: 15px; }
.result-note-box p {margin:0;}
body.dark .result-note-box { background-color: var(--bg-color-dark); border-color: var(--border-color-dark); }
.result-note-box.warning-box { border-left: 5px solid #ffc107; background-color: #fff3cd; display: flex; justify-content: space-between; align-items: center; gap: 15px;}
body.dark .result-note-box.warning-box { background-color: #332701; border-color: #ffc107;}
.warning-box p { margin: 0; font-weight: 500; }
body.dark .warning-box p { color: #ffc107; }

/* Toast Notifications */
.toast-container { position: fixed; top: 20px; right: 20px; z-index: 10000; display: flex; flex-direction: column; gap: 10px; pointer-events: none; max-width: 300px; }
.toast-message { background-color: var(--card-bg-light); color: var(--text-color-light); padding:5px 10px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2); opacity: 0; transform: translateY(20px); animation: slideIn 0.5s forwards, fadeOut 0.5s forwards 3s; position: relative; overflow: hidden; pointer-events: auto; }
body.dark .toast-message { background-color: var(--card-bg-dark); color: var(--text-color-dark); box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4); }
@keyframes slideIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeOut { from { opacity: 1; transform: translateY(0); } to { opacity: 0; transform: translateY(20px); } }
.toast-success { background-color: #28a745; color: white; }
.toast-error { background-color: #dc3545; color: white; }
.toast-info { background-color: #0d6efd; color: white; }

/* Collapsible Result Sections */
.result-sub-title.collapsible-header { cursor: pointer; display: flex; justify-content: space-between; align-items: center; background-color: var(--bg-color-light); padding: 10px; font-size:1rem;border-radius: 6px; transition: all 0.2s ease; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05); border: 1px solid var(--border-color-light); }
body.dark .result-sub-title.collapsible-header {color: var(--text-color-dark); background-color: var(--card-bg-dark); box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1); border-color: var(--border-color-dark); }
.collapsible-header:hover { background-color: var(--primary-color-light); color: white; }
body.dark .collapsible-header:hover { background-color: var(--primary-color-dark); }
.collapsible-header .collapsible-icon { width: 20px; height: 20px; transition: transform 0.3s ease; }
.collapsible-header.collapsed .collapsible-icon { transform: rotate(-90deg); }
.collapsible-content { padding: 12px 0; border-top: none; transition: max-height 0.3s ease-out, opacity 0.3s ease-out; overflow: hidden; }

/* Performance Charts and Details */
.chart-container { padding: 15px; margin-bottom:10px;background-color: var(--bg-color-light); border-radius: 8px; box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.05); display: flex; flex-direction: column; align-items: center; }
body.dark .chart-container { background-color: var(--bg-color-dark); box-shadow: inset 0 0 6px rgba(255, 255, 255, 0.05); }

/* --- HORIZONTAL CHART STYLES START --- */
.chart-bars {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 100%;
}
.chart-bar-item {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: relative;
}
.chart-bar {
    height: 24px;
    width: 0; /* Set by JS */
    border-radius: 4px;
    transition: width 0.5s ease-out;
}
/* --- HORIZONTAL CHART STYLES END --- */

.chart-bar.green-bar { background-color: #28a745; }
.chart-bar.red-bar { background-color: #dc3545; }
.chart-bar.gray-bar { background-color: #6c757d; }
.chart-bar.yellow-light-bar { background-color: var(--visited-light); }
body.dark .chart-bar.yellow-light-bar { background-color: var(--visited-dark); }
.chart-bar.yellow-bar { background-color: var(--reviewed-light); }
body.dark .chart-bar.yellow-bar { background-color: var(--reviewed-dark); }
.chart-label {
    margin-bottom: 5px;
    font-size: 0.8em;
    font-weight: 500;
    color: var(--text-light-secondary);
}
body.dark .chart-label { color: var(--text-dark-secondary); }
.chart-count { font-weight: 700; margin-left: 4px; }
.chart-info { margin-top: 10px; font-size: 0.8em; font-style: italic; color: var(--text-light-secondary); }
body.dark .chart-info { color: var(--text-dark-secondary); }

.performance-container { display: flex; flex-direction: column; gap: 10px; }
.performance-item { background-color: var(--bg-color-light); padding: 12px; border-radius: 8px; box-shadow: 0 1px 6px var(--shadow-light); display: flex; flex-direction: column; gap: 8px; }
body.dark .performance-item { background-color: var(--card-bg-dark); box-shadow: 0 1px 6px var(--shadow-dark); }
.performance-item-header { display: flex; justify-content: space-between; align-items: center; font-weight: 600; font-size: 1em; color: var(--primary-color-light); }
body.dark .performance-item-header { color: var(--primary-color-dark); }
.performance-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(80px, 1fr)); gap: 8px; font-size: 0.85em; }
.performance-stat-item { display: flex; flex-direction: column; align-items: center; padding: 6px 4px; border-radius: 5px; background-color: var(--card-bg-light); border: 1px solid var(--border-color-light); text-align: center; }
body.dark .performance-stat-item { background-color: var(--bg-color-dark); border-color: var(--border-color-dark); }
.performance-stat-label { font-weight: 500; margin-bottom: 2px; }
.performance-stat-value { font-weight: 700; }
.performance-stat-item.correct .performance-stat-label { color: #28a745; }
.performance-stat-item.incorrect .performance-stat-label { color: #dc3545; }
.performance-stat-item.visited .performance-stat-label { color: var(--visited-dark); }
.performance-stat-item.reviewed .performance-stat-label { color: #997404; }
.performance-stat-item.unattempted .performance-stat-label { color: #6c757d; }
body.dark .performance-stat-item.visited .performance-stat-label { color: var(--visited-light); }
body.dark .performance-stat-item.reviewed .performance-stat-label { color: var(--reviewed-light); }

.mini-chart-container { height: 25px; background-color: #e9ecef; border-radius: 3px; overflow: hidden; display: flex; width: 100%; }
body.dark .mini-chart-container { background-color: #495057; }
.mini-chart-bar { height: 100%; transition: width 0.5s ease-out; }
.mini-chart-bar.green-bar { background-color: #28a745; }
.mini-chart-bar.red-bar { background-color: #dc3545; }
.mini-chart-bar.gray-bar { background-color: #6c757d; }
.mini-chart-bar.visited-bar { background-color: var(--visited-light); }
body.dark .mini-chart-bar.visited-bar { background-color: var(--visited-dark); }
.mini-chart-bar.reviewed-bar { background-color: var(--reviewed-light); }
body.dark .mini-chart-bar.reviewed-bar { background-color: var(--reviewed-dark); }
.chapter-questions-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--border-color-light); }
body.dark .chapter-questions-list { border-top-color: var(--border-color-dark); }
.chapter-question-item { background-color: var(--card-bg-light); border: 1px solid var(--border-color-light); padding: 4px 8px; border-radius: 4px; font-size: 0.8em; cursor: pointer; transition: all 0.2s ease; }
.chapter-question-item.correct { background-color: #d4edda; color: #155724; border-color: #28a745;}
.chapter-question-item.incorrect { background-color: #f8d7da; color: #721c24; border-color: #dc3545;}
.chapter-question-item.reviewed { background-color: #fff3cd; color: #664d03; border-color: #ffc107; }
.chapter-question-item.visited { background-color: var(--visited-light); color: var(--visited-text-light); border-color: var(--visited-dark); }

/* Solutions */
.solution-heading{font-size:1rem;border-bottom:3px solid var(--primary-color-light)}
body.dark .solution-heading{color:var(--text-colo-dark);}
.reattempt-solution-area{margin-top:10px;}
.solutions-container { display: flex; flex-direction: column; gap: 15px; }
.solution-item { background-color: var(--bg-color-light); padding: 15px; border-radius: 8px; box-shadow: 0 1px 6px var(--shadow-light); }
body.dark .solution-item { background-color: var(--card-bg-dark); box-shadow: 0 1px 6px var(--shadow-dark); }
.solution-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 8px; flex-wrap: wrap; gap: 8px; }
.solution-question-title { font-size: 1.1em; margin: 0; flex-grow: 1; padding-right: 10px; }
.solution-details { margin-bottom: 10px; padding-left: 8px; border-left: 2px solid var(--border-color-light); }
body.dark .solution-details { border-left-color: var(--border-color-dark); }
.solution-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.expand-btn, .reattempt-solution-btn { background-color: var(--primary-color-light); color: white; border: none; padding: 6px 12px; border-radius: 6px; cursor: pointer; font-size: 0.85em; transition: background-color 0.2s ease; }
.explanation-content { margin-top: 10px; padding: 12px; background-color: var(--card-bg-light); border: 1px solid var(--border-color-light); border-radius: 6px; line-height: 1.5; }
body.dark .explanation-content { background-color: var(--card-bg-dark); border-color: var(--border-color-dark); }
.solution-tags { display: flex; gap: 5px; }
.solution-tag { padding: 4px 8px; border-radius: 4px; font-size: 0.8em; font-weight: 600; color: white; }
.solution-tag.tag-correct { background-color: #28a745; }
.solution-tag.tag-incorrect { background-color: #dc3545; }
.solution-tag.tag-reviewed { background-color: var(--reviewed-light); color: #333; }
.solution-tag.tag-visited { background-color: var(--visited-light); color: var(--visited-text-light); }
body.dark .solution-tag.tag-visited { background-color: var(--visited-dark); color: var(--visited-text-dark); }
.solution-tag.tag-unattempted { background-color: #6c757d; }

/* --- Styles for Report Question Modal --- */
.report-modal-content {
    max-width: 500px;
}

.report-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 5px;
}

.report-category-btn {
    background-color: var(--bg-color-light);
    border: 1px solid var(--border-color-light);
    padding: 8px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85em;
    font-weight: 500;
    transition: all 0.2s ease;
    color: var(--text-color-light);
}

body.dark .report-category-btn {
    background-color: var(--bg-color-dark);
    border-color: var(--border-color-dark);
    color: var(--text-color-dark);
}

.report-category-btn:hover {
    border-color: var(--primary-color-light);
    color: var(--primary-color-light);
}

body.dark .report-category-btn:hover {
    border-color: var(--primary-color-dark);
    color: var(--primary-color-dark);
}

.report-category-btn.selected {
    background-color: var(--primary-color-light);
    color: white;
    border-color: var(--primary-color-light);
    font-weight: 600;
}

body.dark .report-category-btn.selected {
    background-color: var(--primary-color-dark);
    color: white;
    border-color: var(--primary-color-dark);
}

#errorDescriptionContainer {
    margin-top: 10px;
}
#pauseResumeBtnDesktop.hidden {
    display: none !important;
}
/* --- Space Saving Header & 3-Dot Menu --- */
.mobile-menu-container {
    display: none; /* Hidden by default on desktop */
    position: relative;
}

.menu-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--card-bg-light);
    box-shadow: 0 4px 12px var(--shadow-light);
    border-radius: 8px;
    padding: 8px;
    z-index: 1000;
    min-width: 150px;
    flex-direction: column;
    gap: 5px;
}

body.dark .menu-dropdown {
    background-color: var(--bg-color-dark);
    box-shadow: 0 4px 12px var(--shadow-dark);
    border: 1px solid var(--border-color-dark);
}

.menu-dropdown.show {
    display: flex;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px;
    background: transparent;
    border: none;
    color: var(--text-color-light);
    cursor: pointer;
    border-radius: 6px;
    font-size: 0.9em;
    text-align: left;
}

body.dark .menu-item {
    color: var(--text-color-dark);
}

.menu-item:hover {
    background-color: var(--bg-color-light);
}

body.dark .menu-item:hover {
    background-color: var(--bg-color-dark);
}

/* Responsive Logic */
@media (max-width: 768px) {
    /* Hide individual buttons in header */
    #themeToggleBtn, #fullscreenToggleBtn {
        display: none !important;
    }
    
    /* Show 3-dot container */
    .mobile-menu-container {
        display: block;
    }

    .app-title {
        font-size: 1.2em; /* Shrink title to save space */
    }
}
/* --- Space Saving Mobile Header --- */
.mobile-menu-container {
    display: none;
    position: relative;
}

.menu-dropdown {
    display: none;
    position: absolute;
    top: 50px;
    right: 0;
    background-color: var(--card-bg-light);
    box-shadow: 0 4px 12px var(--shadow-light);
    border-radius: 8px;
    padding: 5px;
    z-index: 1000;
    min-width: 160px;
    border: 1px solid var(--border-color-light);
    flex-direction: column;
}

body.dark .menu-dropdown {
    background-color: var(--bg-color-dark);
    border-color: var(--border-color-dark);
    box-shadow: 0 4px 12px var(--shadow-dark);
}

.menu-dropdown.show { display: flex; }

.menu-item {
    padding: 12px 15px;
    background: transparent;
    border: none;
    color: var(--text-color-light);
    cursor: pointer;
    text-align: left;
    font-size: 0.95em;
    border-radius: 6px;
    width: 100%;
}

body.dark .menu-item { color: var(--text-color-dark); }
.menu-item:hover { background-color: var(--bg-color-light); }
body.dark .menu-item:hover { background-color: var(--bg-color-dark); }

@media (max-width: 768px) {
    #themeToggleBtn, #fullscreenToggleBtn { display: none !important; }
    .mobile-menu-container { display: block; }
}