/* ── IELTSX HSL Variable System (DevOps 1:1) ── */
:root {
    --background: 180 3% 13%;
    /* REVERTED TO ORIGINAL STATE */
    --foreground: 0 0% 98%;
    --muted: 180 3% 13%;
    --muted-foreground: 180 3% 65%;
    --border: 180 3% 20%;
    --accent: 180 3% 13%;
    --accent-foreground: 0 0% 98%;
    --secondary: 180 3% 20%;

    --global-font-size: 16px;
    --exam-font-size: 16px; /* controlled by setTextSize() */

    /* Legacy Exam Variables mapped to HSL system */
    --exam-bg: hsl(var(--background));
    --exam-bg-alt: hsl(var(--muted));
    --exam-bg-header: hsl(var(--background));
    --exam-bg-footer: hsl(var(--background));
    --exam-bg-darker: hsl(180, 3%, 15%);
    --exam-bg-input: hsl(var(--background));

    --exam-text: hsl(var(--foreground));
    --exam-text-muted: hsl(var(--muted-foreground));
    --exam-text-white: #fff;
    --exam-text-gray: #e5e7eb;
    --exam-text-gray-300: #d1d5db;

    --exam-border: hsl(var(--border));
    --exam-border-solid: hsl(var(--border) / 0.5);
    --exam-border-input: hsl(var(--border));
    --exam-border-cell: hsl(var(--border));
    --exam-border-focus: #ffffff;

    --exam-hover-bg: hsl(var(--muted));
    --exam-hover-border: hsl(var(--border) / 0.8);
    --exam-selected-bg: hsl(var(--muted));
    --exam-selected-border: #ffffff;
    --exam-selected-inset: hsl(var(--background));

    --exam-mcq-radio-border: #94a3b8;
    --exam-arrow-bg: hsl(var(--background));
    --exam-btn-bg: hsl(var(--muted));
    --exam-btn-hover: hsl(var(--border));

    --exam-footer-active-bg: hsl(var(--muted));
    --exam-footer-q-top: hsl(var(--border));
    --exam-footer-answered: #00ff00;

    --header-btn-bg: #2d2d38;
    --header-btn-hover: #5a5a6a;
}

[data-theme='light'] {
    --background: 0 0% 100%;
    --foreground: 0 0% 0%;
    /* Absolute Black */
    --muted: 0 0% 95%;
    --muted-foreground: 0 0% 20%;
    --border: 0 0% 85%;
    background-color: #FFFFFF !important;

    --exam-bg: #FFFFFF;
    --exam-text: #000000;
    --exam-border-input: #000000;
    --exam-border-focus: #000000;

    --exam-mcq-radio-border: #6B7280;
    /* In dark mode the selected fill/border is white; mirror it in light
       with near-black so the chosen option and radio dot stay visible */
    --exam-selected-border: #111827;
    --exam-selected-inset: #FFFFFF;
    --exam-arrow-bg: #FFFFFF;
    --exam-btn-bg: #F3F4F6;
    --exam-btn-hover: #E5E7EB;

    --exam-footer-active-bg: #EFF6FF;
    --exam-footer-q-top: #E5E7EB;
    --exam-footer-answered: #22C55E;

    --exam-bg-input: #FFFFFF;

    --header-btn-bg: #FFFFFF;
    --header-btn-hover: #F8FAFC;

    --tw-border-opacity: 1;
    border-color: rgb(209 213 219 / var(--tw-border-opacity, 1));
}

[data-theme='dark'] .exam-footer {
    border-top-color: rgb(55 65 81);
}

[data-theme='dark'] .border-gray-300 {
    border-color: #4b5563;
}

/* ── Theme-Responsive Classes ── */
.bg-header-btn {
    background-color: var(--header-btn-bg) !important;
    border: 1px solid var(--exam-border) !important;
}

[data-theme='light'] .bg-header-btn {
    border-color: #E2E8F0 !important;
}

.bg-header-btn-hover:hover {
    background-color: var(--header-btn-hover) !important;
}

/* ── Content High Contrast (Light Mode) ── */
[data-theme='light'] body,
[data-theme='light'] .exam-container,
[data-theme='light'] .exam-content,
[data-theme='light'] .question-text,
[data-theme='light'] .instruction-text,
[data-theme='light'] .passage-text,
[data-theme='light'] p,
[data-theme='light'] span,
[data-theme='light'] label,
[data-theme='light'] li,
[data-theme='light'] b,
[data-theme='light'] h2,
[data-theme='light'] h3,
[data-theme='light'] h4,
[data-theme='light'] h5,
[data-theme='light'] div:not(.settings-box):not(.mcq-option):not(.instruction-box) {
    color: #111827 !important;
}

[data-theme='light'] .exam-header {
    background: #FFFFFF !important;
    border-bottom: 1px solid #e2e8f0 !important;
}

[data-theme='light'] .exam-body h2 {
    font-weight: 700 !important;
    color: #111827 !important;
}

[data-theme='light'] .exam-body h3 {
    font-weight: 600 !important;
    color: #111827 !important;
}

[data-theme='light'] .exam-body p, 
[data-theme='light'] .exam-body li,
[data-theme='light'] .exam-body span {
    font-weight: 400 !important;
    color: #111827 !important;
}

[data-theme='light'] .exam-body strong,
[data-theme='light'] .exam-body b {
    font-weight: 700 !important;
    color: #111827 !important;
}

/* Header Button Correction (Light Mode) */
[data-theme='light'] .header-btn {
    background-color: #ffffff !important;
    color: #000000 !important;
    border: 1px solid #e2e8f0 !important;
}

/* Typography Hierarchy (Strict) */
.font-bold { font-weight: 700 !important; }
.font-semibold { font-weight: 600 !important; }
.font-medium { font-weight: 500 !important; }

/* Main Question Area Scaling */
.exam-body, 
.exam-content-text, 
.passage-text,
.question-group p:not(.question-numbers-label):not(.instruction),
.mcq-option,
.matching-grid-table td.question-text-cell {
    font-size: 18px !important;
}

[data-theme='light'] .exam-body,
[data-theme='light'] .exam-body p,
[data-theme='light'] .exam-body span,
[data-theme='light'] .exam-body li,
[data-theme='light'] .exam-body div:not(.instruction-box):not(.question-group .instruction) {
    color: #111827 !important;
}

/* Inline Instructions (Inside Question Groups) */
.question-group .instruction,
.question-group .instruction-text {
    color: #ffffff !important;
    font-weight: 400 !important;
    font-style: normal !important;
}

[data-theme='light'] .question-group .instruction,
[data-theme='light'] .question-group .instruction-text,
[data-theme='light'] .question-group .instruction p {
    color: #111827 !important;
    font-weight: 400 !important;
}

[data-theme='light'] .question-group .instruction strong,
[data-theme='light'] .question-group .instruction-text strong {
    color: #111827 !important;
    font-weight: 700 !important;
}

[data-theme='light'] .answer-input,
[data-theme='light'] .exam-input {
    border: 1px solid #9ca3af !important;
    background-color: #ffffff !important;
    color: #111827 !important;
    width: 10rem !important; /* w-40 */
    max-width: 10rem !important;
    height: 1.5rem !important; /* max-h-6 */
    max-height: 1.5rem !important;
}

[data-theme='light'] .answer-input:focus,
[data-theme='light'] .exam-input:focus {
    border-color: #3b82f6 !important;
    outline: none !important;
}

[data-theme='light'] .answer-input::placeholder,
[data-theme='light'] .exam-input::placeholder {
    color: #6b7280 !important;
}

/* ── Exam Body Typography Refinement ── */
.exam-body h4 {
    font-weight: 700 !important;
    text-align: center; /* Centered titles usually are H4s in this project */
}

.exam-body h5 {
    font-weight: 600 !important;
}

.exam-body p, 
.exam-body li {
    font-weight: 400 !important;
}

.exam-body strong,
.exam-body p strong,
.exam-body li strong {
    font-weight: 700 !important;
}

/* Ensure Question Numbers Labels specifically follow the 600 rule if they are headings */
.exam-body .question-numbers-label,
.exam-body h5.question-numbers-label {
    font-weight: 600 !important;
}

/* ── Content Area Spacing & Alignment (IELTSX 1:1) ── */

/* Part Banner (Instruction Card) background override */
.bg-\[\#F1F2EC\] {
    background-color: #F1F2EC !important;
}

[data-theme='dark'] .bg-\[\#F1F2EC\] {
    background-color: hsl(var(--secondary)) !important;
}

/* Main & Section Container Spacing (React/Tailwind Overrides) */
.mt-4.px-1.flex-col.overflow-hidden {
    margin-top: 1.5rem !important; /* mt-6 */
    padding-left: 1rem !important; /* px-4 */
    padding-right: 1rem !important;
}

.p-4.min-h-0.text-content {
    padding-left: 2.5rem !important; /* px-10 */
    padding-right: 2.5rem !important;
    padding-top: 0.5rem !important; /* pt-2 */
}

/* Sharp Professional Icons */
.exam-header svg,
.exam-header i {
    stroke-width: 2.5 !important;
}



/* ── Override text color utilities in light mode ── */
[data-theme='light'] .exam-header button svg,
[data-theme='light'] .exam-header button i {
    color: #000000 !important;
    opacity: 1 !important;
}

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

body {
    background: var(--exam-bg);
    color: var(--exam-text);
    overflow: hidden;
    height: 100vh;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5rem;
}

/* ══════════════════════════════════
   EXAM LAYOUT
   ══════════════════════════════════ */

.exam-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background: var(--exam-bg);
}

.exam-header {
    background: var(--exam-bg-header);
    border-bottom: 1px solid rgb(209 213 219 / var(--tw-border-opacity, 1));
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    height: 48px;
    color: var(--exam-text-white);
    font-size: 14px !important;
}

[data-theme='dark'] .exam-header {
    border-bottom-color: #4b5563;
}

.exam-instruction {
    width: 100%;
    display: block;
    padding: 0;
    margin: 0;
    background: transparent;
}

.instruction-box {
    background: var(--exam-bg-alt);
    border: 1px solid var(--exam-border-cell);
    padding: 1.25rem 2rem;
    border-radius: 4px;
    width: 100%;
    margin: 0 0 3rem 0;
}

/* ── Exam Body (Scaled by --global-font-size) ── */
.exam-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 1rem 48px;
    background: var(--exam-bg);
    color: var(--exam-text);
    width: 100%;
}

#exam-body,
#exam-body p,
#exam-body li,
#exam-body h4,
#exam-body h5,
#exam-body span:not(.answer-overlay-num) {
    font-size: var(--exam-font-size) !important;
}

/* Inputs stay fixed — never resize with text size setting */
#exam-body .answer-input,
#exam-body .inline-input {
    font-size: 0.875rem !important;
}



.exam-footer {
    background: #1e1e1e !important;
    border-top: 1px solid;
    flex-shrink: 0;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0;
    width: 100%;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    font-size: 14px !important;
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: 50;
}

/* ══════════════════════════════════
   TIMER
   ══════════════════════════════════ */

.timer {
    font-size: 1rem;
    font-weight: 600;
    color: var(--exam-text-white);
    display: flex;
    align-items: center;
    height: 100%;
}

/* ══════════════════════════════════
   FOOTER NAVIGATION
   ══════════════════════════════════ */

.footer-part-btn-container {
    display: flex;
    height: 100%;
    align-items: center;
}

/* ── Zone 1: Active Part + Numbers ── */
.footer-active-part-wrapper {
    display: flex;
    flex-direction: row;
    align-items: center;
    height: 48px;
    background: #1e1e1e !important;
    gap: 4px;
    min-width: 0;
    flex-grow: 1;
}

.footer-part-btn.active {
    height: 100%;
    padding: 0 16px;
    font-size: 14px;
    font-weight: 500;
    color: #ffffff !important;
    background: transparent !important;
    border-top-width: 3px !important;
    border-top-style: solid !important;
    border-radius: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-q-numbers-row {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
    overflow-x: auto;
    padding-right: 8px;
    height: 100%;
}

.footer-q-outer-wrapper {
    display: flex;
    align-items: center;
    height: 100%;
    flex-shrink: 0;
    border-top-width: 3px;
    border-top-style: solid;
}

.footer-q-btn {
    min-width: 28px;
    height: 28px;
    padding: 0 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 400;
    cursor: pointer;
    color: #ffffff !important;
    background: transparent !important;
    border: 2px solid transparent !important;
    border-radius: 2px;
    transition: all 150ms;
    outline: none;
    white-space: nowrap !important;
}

.footer-q-btn:hover {
    border-color: #3b82f6 !important;
}

/* ── Zones 2, 3, 4: Inactive Parts ── */
.footer-part-btn-inactive {
    flex: 1;
    height: 100%;
    padding: 8px 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-top: 3px solid transparent;
    border-radius: 0;
    transition: background 150ms;
    cursor: pointer;
    white-space: nowrap;
}

.footer-part-btn-inactive:hover {
    background: #2a2a2a;
}

.footer-part-content {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 4px;
}

.footer-part-label {
    font-size: 14px;
    font-weight: 500;
    color: #ffffff;
}

.footer-part-progress {
    font-size: 14px;
    font-weight: 400;
    color: #888888;
}

@media (max-width: 640px) {
    .footer-part-content {
        flex-direction: column;
        gap: 0;
    }
    .footer-part-progress {
        font-size: 12px;
    }
}

/* ── Light Mode Footer Refinements ── */
[data-theme='light'] .exam-footer,
[data-theme='light'] .footer-active-part-wrapper {
    background: #f9fafb !important;
    border-top-color: rgb(209 213 219) !important;
}

[data-theme='light'] .footer-part-label,
[data-theme='light'] .footer-q-btn,
[data-theme='light'] .footer-part-btn.active {
    color: #111111 !important;
}

[data-theme='light'] .footer-part-progress {
    color: #6b7280;
}

[data-theme='light'] .footer-part-btn-inactive:hover {
    background: #f3f4f6;
}

/* ── Conditional Borders ── */
.border-unanswered {
    border-top-color: #94a3b8 !important; /* gray-400 */
}

.border-answered {
    border-top-color: #22c55e !important; /* green-500 */
}

[data-theme='light'] .border-unanswered {
    border-top-color: #94a3b8 !important;
}

/* ══════════════════════════════════
   NAV ARROWS
   ══════════════════════════════════ */

.footer-arrows-container {
    display: flex;
    gap: 4px;
    align-items: center;
}

.footer-nav-arrow {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: 1px solid var(--exam-border-cell);
    border-radius: 4px;
    background: var(--exam-arrow-bg);
    color: var(--exam-text-gray);
    font-size: 0.75rem;
    transition: all 0.2s;
}

.footer-nav-arrow i {
    font-weight: 300;
}

.footer-nav-arrow:hover {
    background: var(--exam-btn-hover);
    color: var(--exam-text-white);
}

/* ══════════════════════════════════
   QUESTION CONTENT
   ══════════════════════════════════ */

.question-group {
    margin-bottom: 3.5rem !important;
}

.exam-body h4, 
.question-group .question-numbers-label {
    margin-bottom: 2rem !important;
}

.question-group .instruction {
    margin-bottom: 2rem !important;
}

.exam-body ul.list-disc {
    margin-bottom: 2rem !important;
}

.exam-body ul.list-disc > li + li {
    margin-top: 1rem !important; /* space-y-4 */
}

.question-numbers-label {
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    color: var(--exam-text-white);
}

.instruction {
    font-style: normal !important;
    color: var(--exam-text-muted);
    font-size: 1rem !important;
    margin-bottom: 2rem !important;
    font-weight: 400 !important;
}

/* ══════════════════════════════════
   MCQ STYLES
   ══════════════════════════════════ */

.mcq-option {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 20px;
    border: 1px solid var(--exam-border-input);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    background: transparent;
    margin-bottom: 10px;
    font-size: 1.125rem;
}

.mcq-option:hover {
    background: var(--exam-hover-bg);
    border-color: var(--exam-hover-border);
}

.mcq-option.selected {
    background: var(--exam-selected-bg);
    border-color: var(--exam-selected-border);
}

/* Light mode: soften unselected option borders (the global
   --exam-border-input is intentionally black for text inputs) */
[data-theme='light'] .mcq-option {
    border-color: #CBD5E1;
}

[data-theme='light'] .mcq-option:hover {
    border-color: #94A3B8;
}

[data-theme='light'] .mcq-option.selected {
    border-color: var(--exam-selected-border);
}

.mcq-radio,
.mcq-checkbox {
    width: 18px;
    height: 18px;
    border: 2px solid var(--exam-mcq-radio-border);
    flex-shrink: 0;
    margin-top: 3px;
}

.mcq-radio {
    border-radius: 50%;
}

.mcq-checkbox {
    border-radius: 2px;
}

.mcq-option.selected .mcq-radio,
.mcq-option.selected .mcq-checkbox {
    border-color: var(--exam-selected-border);
    background: var(--exam-selected-border);
    box-shadow: inset 0 0 0 3px var(--exam-selected-inset);
}

.mcq-option b {
    color: var(--exam-text-white);
    font-weight: 700;
    margin-right: 4px;
}

/* ══════════════════════════════════
   MATCHING GRID TABLE
   ══════════════════════════════════ */

.matching-grid-container {
    margin: 2.5rem 0;
    width: 100%;
}

.matching-legend {
    background: var(--exam-bg-alt);
    border: 1px solid var(--exam-border-cell);
    padding: 1.5rem 2rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.matching-grid-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--exam-bg);
}

.matching-grid-table th,
.matching-grid-table td {
    border: 1px solid var(--exam-border-cell);
    padding: 14px;
    text-align: center;
    vertical-align: middle;
}

.matching-grid-table th {
    background: var(--exam-bg-darker);
    color: var(--exam-text-white);
    font-size: 1rem;
    font-weight: 700;
}

.matching-grid-table td.question-text-cell {
    text-align: left;
    width: 45%;
    font-size: 1.125rem;
    color: var(--exam-text);
    font-weight: 500;
}

.matching-grid-table td.selection-cell {
    cursor: pointer;
    width: 80px;
    transition: background 0.2s;
}

.matching-grid-table tr:hover td {
    background: var(--exam-hover-bg);
}

.matching-grid-table td.selection-cell:hover {
    background: var(--exam-hover-border);
}

.matching-indicator {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--exam-mcq-radio-border);
    border-radius: 50%;
    position: relative;
    transition: all 0.2s;
}

.matching-grid-table td.selected .matching-indicator {
    background: var(--exam-selected-border);
    border-color: var(--exam-selected-border);
    box-shadow: inset 0 0 0 3px var(--exam-selected-inset);
}

/* ══════════════════════════════════
   INPUT STYLES
   ══════════════════════════════════ */

.exam-input,
.answer-input {
    border: 1px solid var(--exam-border-input);
    border-radius: 2px;
    padding: 0 8px;
    height: 26px;
    outline: none !important;
    box-shadow: none !important;
    font-size: 1rem;
    background: var(--exam-bg-input);
    color: var(--exam-text);
    width: 10rem !important;
    min-width: 60px;
    max-width: 10rem !important;
    text-align: center;
    font-weight: 500;
    transition: all 0.15s;
    display: inline-block;
    vertical-align: baseline;
}

.exam-input:focus,
.answer-input:focus {
    border: 1px solid #3B82F6;
    background: var(--exam-bg-input);
}

/* ══════════════════════════════════
   LOGO
   ══════════════════════════════════ */

.certa-logo {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    text-decoration: none;
}

.logo-icon-box {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    width: 24px;
    height: 24px;
}

.logo-icon-box i {
    font-size: 1.1rem;
    color: #e11d48;
}

.logo-icon-box .logo-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.taker-label { font-size: 12px; color: #9ca3af; }
.taker-val   { font-size: 12px; color: #f3f4f6; }
[data-theme='light'] .taker-label { color: #6b7280; }
[data-theme='light'] .taker-val   { color: #111827; }
/* For pages using .dark class (result pages) */
html:not(.dark) .taker-label { color: #6b7280; }
html:not(.dark) .taker-val   { color: #111827; }

.logo-text {
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
    color: var(--exam-text-white);
    text-transform: uppercase;
}

/* ══════════════════════════════════
   VOLUME SLIDER
   ══════════════════════════════════ */

.volume-control {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0 1rem;
}

.volume-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 80px;
    height: 4px;
    border-radius: 2px;
    background: #4b5563;
    outline: none;
}

[data-theme='light'] .volume-slider {
    background: #E5E7EB;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #e5e7eb;
    cursor: pointer;
}

[data-theme='light'] .volume-slider::-webkit-slider-thumb {
    background: #3b82f6;
}

/* ── Footer nav arrows (theme-aware) ── */
.footer-nav-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid hsl(var(--border));
    border-radius: 6px;
    background: transparent;
    color: hsl(var(--foreground));
    cursor: pointer;
    transition: background 0.15s;
    flex-shrink: 0;
}
.footer-nav-btn:hover { background: hsl(var(--muted)); }

/* ══════════════════════════════════
   DIALOG OVERLAY (Submit / Generic)
   ══════════════════════════════════ */

.dialog-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.dialog-box {
    background: hsl(180, 3%, 15%);
    border: 1px solid #444;
    border-radius: 12px;
    padding: 2rem;
    min-width: 360px;
    max-width: 440px;
    color: var(--exam-text);
}

/* ══════════════════════════════════════════════════════
   EXAM SETTINGS MODAL
   All font sizes HARDCODED — never affected by scaling
   ══════════════════════════════════════════════════════ */

.settings-overlay {
    position: fixed;
    inset: 0;
    z-index: 50;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
}

.settings-box {
    position: relative;
    background: var(--exam-bg-header);
    border-radius: 0.5rem;
    max-width: 448px;
    width: 100%;
    padding: 1.5rem;
    border: 1px solid var(--exam-border);
    box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    margin: 0;
    color: hsl(var(--foreground));
    font-size: 14px !important;
    animation: modalPopIn 200ms ease-out forwards;
}

@keyframes modalPopIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ── Header ── */
.settings-header {
    margin-bottom: 1.5rem;
}

.settings-header-title {
    font-size: 18px !important;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    color: hsl(var(--foreground));
}

.settings-close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: hsl(var(--foreground));
    opacity: 0.7;
    cursor: pointer;
    border-radius: 0.25rem;
    transition: opacity 0.15s;
}

.settings-close-btn:hover { opacity: 1; }

/* ── Section ── */
.settings-section {
    margin-bottom: 1.5rem;
}

.settings-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: hsl(var(--foreground));
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ── Options ── */
.settings-options-stack {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
}

.settings-option-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.5rem;
    border: 1px solid hsl(var(--border));
    background: transparent;
    color: hsl(var(--muted-foreground));
    font-size: 0.875rem;
    font-weight: 400;
    cursor: pointer;
    transition: background-color 0.15s;
    user-select: none;
    border-radius: 0.375rem;
    text-decoration: none;
}

.settings-option-box:hover:not(.active) {
    background-color: hsl(var(--muted));
}

.settings-option-box.active {
    background-color: hsl(var(--muted)) !important;
    color: hsl(var(--foreground)) !important;
    border-color: hsl(var(--border));
}

.settings-option-box .checkmark {
    opacity: 0;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: hsl(var(--foreground));
}

.settings-option-box.active .checkmark {
    opacity: 1;
}

.settings-option-icon {
    width: 16px;
    height: 16px;
    margin-right: 8px;
    flex-shrink: 0;
    color: hsl(var(--foreground));
    opacity: 0.7;
}

.settings-option-box.active .settings-option-icon { opacity: 1; }

/* ── Leave button ── */
.settings-leave-btn {
    display: block;
    width: 100%;
    border: 1px solid hsl(var(--border));
    background: hsl(var(--card) / 0.6);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    text-align: left;
    cursor: pointer;
    transition: background-color 0.15s;
    color: hsl(var(--foreground));
}

.settings-leave-btn:hover {
    background: hsl(var(--accent) / 0.6);
}

[data-theme='light'] .settings-leave-btn:hover {
    background: hsl(var(--muted) / 0.6);
}

.settings-leave-btn .leave-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: hsl(var(--foreground));
}

.settings-leave-btn .leave-title svg {
    color: hsl(var(--muted-foreground));
    flex-shrink: 0;
    transition: color 0.15s;
}

.settings-leave-btn:hover .leave-title svg {
    color: hsl(var(--foreground));
}

.settings-leave-btn .leave-desc {
    margin-top: 4px;
    font-size: 0.75rem;
    color: hsl(var(--muted-foreground));
}

/* ══════════════════════════════════
   MOBILE RESPONSIVE — Exam Pages
   ══════════════════════════════════ */

@media (max-width: 640px) {

    /* ── Header ── */
    .exam-header {
        padding: 0 0.5rem;
        gap: 0;
    }

    /* Hide test taker email — too long on small screens */
    .taker-label,
    .taker-val {
        display: none;
    }

    /* CERTA logo text — keep but smaller */
    .certa-logo .logo-text span {
        font-size: 0.85rem;
    }

    /* Logo icon box — slightly smaller */
    .certa-logo .logo-icon-box {
        width: 1.75rem;
        height: 1.75rem;
    }

    /* Timer — fix absolute overlap: flow in flex and center */
    .exam-header .absolute {
        position: relative !important;
        inset: auto !important;
        left: auto !important;
        transform: none !important;
        flex: 1;
        display: flex !important;
        justify-content: center;
    }

    /* Timer — smaller font */
    .timer {
        font-size: 0.85rem;
    }

    /* Volume slider — narrower */
    .volume-slider {
        width: 50px;
    }

    /* Submit button — shorter text padding */
    .exam-header .header-btn[onclick*="submit"],
    .exam-header .header-btn[onclick*="Submit"] {
        padding: 0 0.75rem;
        font-size: 0.75rem;
    }

    /* ── Instruction banner ── */
    .exam-instruction .p-4 {
        padding: 0.5rem !important;
    }

    /* ── Exam body — reduce padding ── */
    .exam-body {
        padding: 12px 0.75rem 56px;
    }

    /* ── MCQ options — tighter on mobile ── */
    .mcq-option {
        padding: 10px 12px;
        font-size: 1rem;
    }

    /* ── Footer — reduce part btn padding ── */
    .footer-part-btn.active {
        padding: 0 8px;
        font-size: 13px;
    }

    .footer-part-btn-inactive {
        padding: 8px 10px;
    }

    .footer-part-label {
        font-size: 12px;
    }
}

/* ── FIX 2: Submit modal — light mode text visibility ── */
[data-theme='light'] #submit-dialog > div {
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
}
[data-theme='light'] #submit-dialog h2 {
    color: #111827 !important;
}
[data-theme='light'] #submit-dialog p {
    color: #374151 !important;
}
[data-theme='light'] #submit-dialog button[onclick="hideSubmitDialog()"] {
    color: #374151 !important;
    border-color: #d1d5db !important;
}
[data-theme='light'] #submit-dialog button[onclick="hideSubmitDialog()"]:hover {
    background: #f3f4f6 !important;
}
[data-theme='light'] #submit-dialog button[onclick="submitTest()"],
[data-theme='light'] #submit-dialog button[onclick="doSubmit()"],
[data-theme='light'] #submit-dialog button[onclick="finishSpeaking()"] {
    background: #111827 !important;
    color: #ffffff !important;
}
[data-theme='light'] #submit-dialog button[onclick="submitTest()"]:hover,
[data-theme='light'] #submit-dialog button[onclick="doSubmit()"]:hover,
[data-theme='light'] #submit-dialog button[onclick="finishSpeaking()"]:hover {
    background: #374151 !important;
}