:root {
  /* Main Theme Colors */
  --color-bg-main: #1b214e; /* body bg */
  --color-bg-alt: #232a4d; /* modal bg, alt */
  --color-bg-container: #293165; /* container bg */
  --color-bg-translucent: rgba(14, 14, 22, 0.6);
  --color-bg-footer: rgba(34, 37, 60, 0.75);
  --color-bg-footer-catalyst: rgba(34, 37, 60, 0.45);
  --color-bg-footer-border: #fff;

  /* Violet/Purple Accent */
  --color-accent: #6f55b6;
  --color-accent-hover: #825eff;
  --color-accent-border: #5f559a;
  --color-accent-focus: #9e81fa;

  /* Shape/Gradient Colors */
  --color-shape: #323c6f;
  --color-shape2: #3a5580;
  --color-shape-diamond: #fff;
  --color-shape-diamond-alt: #67564c;

  /* Text/Font */
  --color-text: #eeeeee;
  --color-text-muted: #bbb;
  --color-footer-text: #fff;
  --color-label: #ececec;
  --color-h1: #fff;

  /* Misc UI */
  --color-border: #ccc;
  --color-shadow: rgba(0, 0, 0, 0.08);
  --color-shadow-strong: #2e205999;
  --color-modal-bg: rgba(18, 18, 40, 0.85);
  --color-modal-date: #bbe;

  /* Settings */
  --settings-radius: calc(var(--radius) * 1.2);
  --settings-border: var(--color-bg-footer-border);
  --settings-bg: var(--color-bg-container);
  --settings-shadow: 0 3px 12px rgba(0, 0, 0, 0.3);

  /* Tag colors */
  --tag-update: #ff4b4b;
  --tag-version: #2fd46c;
  --tag-beta: #ad7aff;
  --tag-alpha: #49baff;

  /* Misc */
  --radius: 10px;
  --radius-large: 16px;
  --blur-bg: blur(8px);
}

/* ---- <= 391px tweaks ---- */
@media (max-width: 391px) {
  .custom-option.disabled {
    font-size: 0.8em;
  }

  #term {
    font-size: 0.9em !important;
  }

  #indexTab ul {
    padding-left: 0.5em !important;
  }

  #helpTab ul {
    padding-left: 0.2em !important;
  }

  .devnotes-col {
    display: flex !important;
  }
  .credits-btn,
  #devNotesBtn {
    min-height: 72px;
    max-height: 72px;
  }
  .devnotes-col button,
  .devnotes-col .credits-btn {
    width: auto !important;
  }

  .tag {
    font-size: 0.6em !important;
    padding: 1px 4px !important;
  }
  .notes-date {
    font-size: 0.6em !important;
  }
  .notes-entry {
    font-size: 0.9em !important;
  }

  .large-modal-content {
    margin-top: 14vh !important;
  }
}

/* mom's phone */
@media (min-width: 410px) and (max-width: 424px) {
  #indexTab ul {
    padding-left: 0.5em !important;
  }
  #helpTab ul {
    padding-left: 0.2em !important;
  }
}

/* ---- <= 549px (phones) ---- */
@media (max-width: 549px) {
  :root {
    --settings-size: 60px;
  }

  #splashText {
    display: none;
  }

  .container {
    overflow-y: auto;
    width: 93vw;
    margin-top: 0 !important;
    padding: 15px;
    border-radius: 0;
    font-size: 1.2rem;
  }

  #mainPage {
    padding-bottom: 20dvh !important;
  }

  #quizContainer {
    padding-bottom: 8dvh !important;
  }

  #resultsScreen {
    padding-bottom: 12dvh !important;
  }

  #reviewScreen {
    padding-bottom: 24dvh !important;
  }

  #quizContainer,
  #quizContainer p,
  #quizContainer label {
    font-size: 1.2rem !important;
  }

  .background-shapes {
    display: none;
  }
  .star-dropdown-wrap.custom-select.open .custom-options {
    background-color: var(--color-bg-container) !important;
  }

  .settings-sidebar {
    display: none;
  }

  .settings-content {
    width: 92vw;
    margin: 0 auto;
    padding: 0.5em;
    box-sizing: border-box;
    min-width: 300px;
    max-width: 100vw;
  }

  .settings-flex {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1em;
    align-items: stretch;
    min-width: 0;
    max-width: none;
  }

  .settings-main {
    padding: 0.5em 2vw 1em;
    width: 100%;
    min-width: 0;
    max-width: 100vw;
    box-sizing: border-box;
  }

  .tabs {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    margin-bottom: -0.5px;
  }
  .tab-button {
    flex: 1 1 0;
    min-width: 0;
    width: 100%;
    font-size: clamp(0.95em, 4vw, 1.13em);
    padding: 0.65em 0.3em;
    margin: 0;
    position: relative;
  }
  .tab-button.active::after {
    content: "";
    position: absolute;
    left: -0.3px;
    right: -0.1px;
    bottom: -2px;
    height: 2px;
    background: var(--theme-bg);
    z-index: 4;
    pointer-events: none;
  }

  .settings-main button,
  .tab-content button {
    margin-top: 0.6em;
    width: 100%;
    font-size: clamp(1em, 4vw, 1.12em);
  }

  .tab-content {
    width: 100%;
    min-width: 0;
    max-width: 100vw;
    padding: 0.7em 0.3em 1em;
    overflow-x: auto;
    box-sizing: border-box;
  }

  #indexTab {
    overflow-y: auto;
    max-height: 400px;
  }
  #indexTab ul {
    padding-left: 0.7em;
  }
  #indexTab h2 {
    margin: 0;
  }

  #helpTab {
    overflow-y: auto;
    max-height: 500px;
  }
  #helpTab ul {
    padding-left: 0.4em;
  }

  .quiz-title-row {
    flex-direction: column;
    align-items: center;
    gap: 0.4em;
    margin-top: 16px;
    margin-bottom: 14px;
  }

  .star-dropdown-wrap {
    max-width: 270px;
    top: 0;
  }
  .quiz-title-select {
    width: 100%;
    min-width: 0;
    height: 2.6em;
    border-radius: 22px;
  }
  .quiz-title-label {
    line-height: 1.1;
    top: 0;
    margin: 0 auto;
    font-weight: 700;
    letter-spacing: 0.02em;
  }

  .settings-toggle {
    margin-top: 0;
    width: var(--settings-size);
    height: var(--settings-size);
  }

  #examsList,
  .exams ul,
  #chaptersList,
  .chapters ul {
    padding: 0;
  }

  #quizStatsPanel,
  .quiz-stats-panel {
    align-self: auto;
    flex: none;
    display: block;
    position: static !important;
    min-width: 220px;
    min-height: 60px;
    max-height: 180px;
    margin: 18px 0 28px !important;
    border-radius: 12px;
    padding: 12px 2vw 10px;
    background: rgba(40, 50, 90, 0.28);
    box-shadow: 0 2px 12px rgba(60, 0, 80, 0.12);
    overflow-y: auto;
    z-index: 3;
  }
  .quiz-stats-table th,
  .quiz-stats-table td {
    padding: 5px;
  }
  .quiz-stats-table {
    font-size: 0.96em;
  }

  button[onclick="startQuiz()"] {
    order: 1;
    width: 60%;
  }
  #quizStatsPanel {
    order: 2;
  }
  #quizEmptySpacer {
    order: 3;
  }

  #quizFooter {
    order: 99;
    margin-top: auto;
    width: 100%;
    padding-bottom: 15px;
    margin-bottom: 5vh;
  }

  .quiz-footer {
    flex-direction: column;
    gap: 18px;
    padding: 13px 2vw 6px;
    border-radius: 0 0 12px 12px;
  }

  .footer-col {
    min-width: 0;
    padding: 0 4px;
  }
  .footer-col:not(:last-child)::after {
    display: none;
  }

  .theme-toggles-grid {
    padding-right: 20px !important;
    padding-left: 4px;
    grid-template-columns: repeat(2, 1fr);
  }

  .devnotes-col {
    display: block;
  }
  .credits-btn {
    display: inline;
  }

  #mainPage button {
    margin-top: 10px;
  }

  .devnotes-col button,
  .devnotes-col .credits-btn {
    display: inline-block !important;
    flex: 1 1 0;
    min-width: 0;
    width: 49%;
    margin: 0 !important;
    padding: 0.65em 0.2em;
    box-sizing: border-box;
  }

  .large-modal-content {
    background: var(--color-bg-alt);
    color: #fff;
    margin: 22% auto 4%;
    border-radius: 20px;
    width: 85%;
    max-width: 700px;
    min-height: 350px;
    max-height: 450px;
    box-shadow: 0 4px 32px 0 #111b;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 4vw;
  }

  .tag {
    font-size: 0.55em;
    padding: 1px 7px;
  }

  .notes-date {
    font-size: 0.7em;
  }

  .navbar {
    background-color: rgba(48, 48, 48, 0.4);
  }

  .navbar-right,
  .navbar-left {
    min-width: 25vw;
  }
  .navbar-copyright,
  .navbar-discord {
    display: none;
  }

  /* hide settings toggle on quiz-related screens */
  #quizScreen #settingsToggle,
  #resultsScreen #settingsToggle,
  #reviewScreen #settingsToggle {
    display: none !important;
  }

  #quizScreen button {
    display: none;
  }

  .question input[type="radio"] {
    max-width: 1.3em;
    max-height: 1.3em;
    min-width: 1.3em;
    min-height: 1.3em;
    margin-top: 3px;
  }
  .question input[type="checkbox"] {
    max-width: 1em;
    max-height: 1em;
    min-width: 1em;
    min-height: 1em;
    margin-top: 6px;
  }

  .review-list p,
  .choice {
    font-size: 1em;
  }
  .question label {
    align-items: start;
  }

  #reviewScreen .review-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
  }
  #reviewScreen .review-buttons button {
    padding: 0.5em;
    font-weight: 300;
  }
  #reviewScreen h2 {
    margin: 5px 0 15px;
    font-size: 1.5em;
  }

  #resultsScreen h2#scoreText {
    font-size: 3rem;
  }
  #resultsScreen .results-buttons {
    flex-direction: column;
    gap: 0.7em;
  }
  #resultsScreen .results-divider {
    width: 90%;
  }

  #backToScoreBtn,
  #goHomeBtn2 {
    flex: 1 1 160px;
    min-width: 160px;
    max-width: 180px;
    margin: 0;
  }
  #restartQuizBtn2 {
    flex-basis: 100%;
    max-width: 220px;
    margin: 5px auto 0;
  }
  #backToScoreBtn {
    order: 1;
  }
  #goHomeBtn2 {
    order: 2;
  }
  #restartQuizBtn2 {
    order: 3;
    margin-bottom: 10px;
  }

  h2 {
    font-size: 1.5em;
    margin: 22px 0;
  }

  #reviewScreen .review-item {
    padding: 1px 12px;
  }
  .choices-list {
    margin-bottom: 0;
  }

  .custom-tooltip-wrapper:hover .custom-tooltip-text {
    visibility: hidden !important;
  }
  .review-explanation {
    font-size: 1.2rem;
  }

  .quiz-question-img {
    max-width: 280px;
    display: block;
    margin: 12px 0;
  }
  .quiz-answer-img {
    max-width: 280px;
    vertical-align: middle;
    margin-left: 6px;
  }
  .question strong > img {
    max-width: 370px;
  }
  #reviewScreen .review-item p > img {
    max-width: 90%;
  }
}

/* ---- 550–849px (small tablets) ---- */
@media (min-width: 550px) and (max-width: 849px) {
  :root {
    --settings-size: 70px;
  }

  #splashText {
    display: none;
  }

  .container {
    overflow-y: auto;
    width: 93vw;
    margin-top: 0 !important;
    padding: 15px;
    border-radius: 0;
    font-size: 1.2rem;
  }

  #mainPage {
    padding-bottom: 8dvh;
  }

  .background-shapes {
    display: none;
  }
  .star-dropdown-wrap.custom-select.open .custom-options {
    background-color: var(--color-bg-container) !important;
  }

  .settings-sidebar {
    display: none;
  }

  .settings-content {
    width: 94vw;
    margin: 0 auto;
    padding: 0.5em;
    box-sizing: border-box;
    min-width: 300px;
    max-width: 75vw;
  }

  .settings-flex {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1em;
    min-width: 0;
    max-width: none;
  }
  .settings-main {
    padding: 0.5em 2vw 1em;
    width: 100%;
    min-width: 0;
    max-width: 100vw;
    box-sizing: border-box;
  }
  .tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25em;
    width: 100%;
    margin-bottom: -0.5px;
  }

  .tab-button {
    flex: 1 1 0;
    min-width: 0;
    width: 100%;
    font-size: clamp(0.95em, 4vw, 1.13em);
    padding: 0.65em 0.3em;
    margin: 0;
    position: relative;
  }
  .tab-button.active {
    margin-bottom: -3px;
  }
  .tab-button.active::after {
    content: "";
    position: absolute;
    left: -0.1px;
    right: -0.1px;
    bottom: -2px;
    height: 3px;
    background: var(--theme-bg);
    z-index: 4;
    pointer-events: none;
  }

  .settings-main button,
  .tab-content button {
    margin-top: 0.6em;
    width: 100%;
    font-size: clamp(1em, 4vw, 1.12em);
  }
  .tab-content {
    width: 100%;
    min-width: 0;
    max-width: 100vw;
    padding: 0.7em 0.3em 1em;
    overflow-x: auto;
    box-sizing: border-box;
  }

  #indexTab {
    overflow-y: auto;
    max-height: 400px;
    padding: 20px 0 0;
  }
  #indexTab ul {
    padding-left: 0.7em;
  }
  #indexTab h2 {
    margin: 0;
  }

  #helpTab {
    overflow-y: auto;
    max-height: 500px;
  }
  #helpTab ul {
    padding-left: 0.4em;
  }

  .quiz-title-row {
    flex-direction: column;
    align-items: center;
    gap: 0.4em;
    margin: 16px 0 14px;
  }
  .star-dropdown-wrap {
    max-width: 270px;
    top: 0;
  }
  .quiz-title-select {
    width: 100%;
    min-width: 0;
    height: 2.6em;
    border-radius: 22px;
  }
  .quiz-title-label {
    line-height: 1.1;
    top: 0;
    margin: 0 auto;
    font-weight: 700;
    letter-spacing: 0.02em;
  }

  .settings-toggle {
    margin-left: 2vw;
  }

  #examsList,
  .exams ul,
  #chaptersList,
  .chapters ul {
    padding: 0;
  }

  #quizStatsPanel,
  .quiz-stats-panel {
    align-self: auto;
    flex: none;
    display: block;
    position: static !important;
    min-width: 220px;
    max-width: 100%;
    min-height: 60px;
    max-height: 180px;
    margin: 18px 0 28px !important;
    border-radius: 12px;
    padding: 12px 2vw 10px;
    background: rgba(40, 50, 90, 0.28);
    box-shadow: 0 2px 12px rgba(60, 0, 80, 0.12);
    overflow-y: auto;
    z-index: 3;
  }
  .quiz-stats-table th,
  .quiz-stats-table td {
    padding: 5px;
  }
  .quiz-stats-table {
    font-size: 0.96em;
  }

  button[onclick="startQuiz()"] {
    order: 1;
    width: 60%;
  }
  #quizStatsPanel {
    order: 2;
  }
  #quizEmptySpacer {
    order: 3;
  }

  #quizFooter {
    order: 99;
    margin-top: auto;
    width: 100%;
    padding-bottom: 15px;
    margin-bottom: 5vh;
  }

  .quiz-footer {
    flex-direction: column;
    gap: 18px;
    padding: 13px 2vw 6px;
    border-radius: 0 0 12px 12px;
  }

  .footer-col {
    min-width: 0;
    padding: 0 4px;
  }
  .footer-col:not(:last-child)::after {
    display: none;
  }

  .devnotes-col {
    display: block;
    text-align: center;
  }
  .credits-btn {
    display: inline;
    padding: 5% !important;
    margin-left: 6vw;
  }
  #devNotesBtn {
    padding: 5% 3% !important;
    margin-right: 6vw;
  }

  .large-modal-content {
    padding: 18px 6vw 14px;
    max-width: 80vw;
    min-height: 220px;
    margin-top: 14vh;
  }

  .navbar-right,
  .navbar-left {
    min-width: 45vw;
  }
  .navbar-copyright,
  .navbar-discord {
    display: none;
  }

  /* hide settings toggle on quiz-related screens */
  #quizScreen #settingsToggle,
  #resultsScreen #settingsToggle,
  #reviewScreen #settingsToggle {
    display: none !important;
  }

  .settings-content.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(0.95);
  }

  .question input[type="radio"] {
    max-width: 1.3em;
    max-height: 1.3em;
    min-width: 1.3em;
    min-height: 1.3em;
    margin-top: 3px;
  }
  .question input[type="checkbox"] {
    max-width: 1em;
    max-height: 1em;
    min-width: 1em;
    min-height: 1em;
    margin-top: 6px;
  }

  .review-list p {
    font-size: 1.1em;
  }
  .choice {
    font-size: 1em;
  }
  .question label {
    align-items: start;
  }

  #reviewScreen h2 {
    margin: 5px 0 15px;
    font-size: 2em;
  }
  h2 {
    font-size: 1.8em;
    margin: 22px 0;
  }

  #reviewScreen .review-item {
    padding: 1px 12px;
  }
  .choices-list {
    margin-bottom: 0;
  }

  .quiz-question-img {
    min-width: 480px;
    display: block;
    margin: 12px 0;
  }
  .quiz-answer-img {
    min-width: 280px;
    vertical-align: middle;
    margin-left: 6px;
  }
  .question strong > img {
    min-width: 370px;
    max-width: 510px;
    min-height: 200px;
  }
  #reviewScreen .review-item p > img {
    max-width: 90%;
  }
}

/* ---- 650–849px image bumps ---- */
@media (min-width: 650px) and (max-width: 849px) {
  .quiz-question-img {
    min-width: 480px;
    display: block;
    margin: 12px 0;
  }
  .quiz-answer-img {
    min-width: 280px;
    vertical-align: middle;
    margin-left: 6px;
  }
  .question strong > img {
    min-width: 370px;
    max-width: 610px;
    min-height: 200px;
  }
}

/* ---- 750–849px extra bump ---- */
@media (min-width: 750px) and (max-width: 849px) {
  .question strong > img {
    max-width: 700px;
  }
}

/* ---- 850–949px (tablet large) ---- */
@media (min-width: 850px) and (max-width: 949px) {
  #quizStatsPanel,
  .quiz-stats-panel {
    align-self: auto;
    flex: none;
    display: block;
    position: static !important;
    min-width: 220px;
    max-width: 100%;
    min-height: 60px;
    max-height: 180px;
    margin: 18px 0 28px !important;
    top: 90px !important;
    border-radius: 12px;
    padding: 12px 2vw 10px;
    background: rgba(40, 50, 90, 0.28);
    box-shadow: 0 2px 12px rgba(60, 0, 80, 0.12);
    overflow-y: auto;
    z-index: 3;
  }
  .quiz-stats-table th,
  .quiz-stats-table td {
    padding: 5px;
  }
  .quiz-stats-table {
    font-size: 0.96em;
  }

  button[onclick="startQuiz()"] {
    order: 1;
    width: 60%;
  }
  #quizStatsPanel {
    order: 2;
  }
  #quizEmptySpacer {
    order: 3;
  }

  #quizFooter {
    order: 99;
    margin-top: auto;
    width: 100%;
    padding-bottom: 15px;
    margin-bottom: 5vh;
  }

  .footer-col {
    min-width: 0;
    padding: 0 4px;
  }
  .footer-col:not(:last-child)::after {
    display: none;
  }

  .quiz-question-img {
    /* fixed the missing dot */
    min-width: 480px;
    display: block;
    margin: 12px 0;
  }
  .quiz-answer-img {
    min-width: 280px;
    vertical-align: middle;
    margin-left: 6px;
  }
  .question strong > img {
    min-width: 370px;
    max-width: 780px;
    min-height: 200px;
  }
}

/* ---- 850–1249px (landscape tablets / small laptops) ---- */
@media (min-width: 850px) and (max-width: 1249px) {
  :root {
    --settings-size: 70px;
  }

  #splashText {
    display: none;
  }

  .container {
    overflow-y: auto;
    width: 90vw;
    margin-top: 0 !important;
    padding: 15px;
    border-radius: 0;
    font-size: 1.2rem;
  }

  .star-dropdown-wrap.custom-select.open .custom-options {
    background-color: var(--color-bg-container) !important;
  }

  .settings-content {
    width: 94vw;
    margin: 0;
    padding: 0.5em;
    box-sizing: border-box;
    min-width: 500px;
    max-width: 60vw;
    flex: 1;
  }

  .settings-flex {
    width: 100%;
    display: flex;
    flex-direction: row;
    gap: 1em;
    min-width: 0;
    max-width: none;
  }
  .settings-main {
    padding: 0.5em 2vw 1em;
    width: 100%;
    min-width: 0;
    max-width: 100vw;
    box-sizing: border-box;
  }

  .settings-toggle {
    margin-left: 4vw;
  }

  .settings-content.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(0.95);
    margin-left: 2vw;
  }

  .tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.1em;
    width: 100%;
    margin-bottom: -0.5px;
  }
  .tab-button {
    flex: 1 1 0;
    min-width: 0;
    width: 100%;
    font-size: clamp(0.95em, 4vw, 1.13em);
    padding: 0.65em 0.3em;
    margin: 0;
    position: relative;
  }
  .tab-button.active {
    margin-bottom: -4px;
  }
  .tab-button.active::after {
    content: "";
    position: absolute;
    left: -0.3px;
    right: -0.01px;
    bottom: -2px;
    height: 3px;
    background: var(--theme-bg);
    z-index: 4;
    pointer-events: none;
  }

  .settings-main button,
  .tab-content button {
    margin-top: 0.6em;
    width: 100%;
    font-size: clamp(1em, 4vw, 1.12em);
  }
  .tab-content {
    width: 100%;
    min-width: 0;
    max-width: 100vw;
    padding: 0.7em 0.3em 1em;
    overflow-x: auto;
    box-sizing: border-box;
  }

  #indexTab {
    overflow-y: auto;
    max-height: 400px;
    padding: 20px 0 0;
  }
  #indexTab ul {
    padding-left: 0.7em;
  }
  #indexTab h2 {
    margin: 0;
  }

  #helpTab {
    overflow-y: auto;
    max-height: 500px;
  }

  #examsList,
  .exams ul,
  #chaptersList,
  .chapters ul {
    padding: 0;
  }

  .quiz-stats-table th,
  .quiz-stats-table td {
    padding: 5px;
  }
  .quiz-stats-table {
    font-size: 0.96em;
  }

  .quiz-stats-panel {
    max-height: 300px;
    max-width: 500px;
    margin-left: 25px;
    top: 110px;
  }

  button[onclick="startQuiz()"] {
    width: 40%;
    margin-bottom: 20px;
  }

  #quizFooter {
    margin-top: auto;
    width: 100%;
    padding-bottom: 15px;
    margin-bottom: 5vh;
  }

  .theme-toggles-grid {
    padding-right: 20px !important;
    padding-left: 4px;
    grid-template-columns: repeat(4, 1fr);
  }

  .quiz-footer {
    flex-direction: column;
    gap: 18px;
    padding: 13px 2vw 6px;
    border-radius: 0 0 12px 12px;
  }

  .devnotes-col #devNotesBtn,
  .devnotes-col #copyrightBtn {
    margin-top: 0;
    width: 70%;
  }

  .navbar {
    background-color: rgba(48, 48, 48, 0.4);
  }

  .navbar-copyright,
  .navbar-discord {
    display: none;
  }

  .footer-col {
    min-width: 0;
    padding: 0 4px;
  }
  .footer-col:not(:last-child)::after {
    display: none;
  }

  .question input[type="radio"] {
    max-width: 1.3em;
    max-height: 1.3em;
    min-width: 1.3em;
    min-height: 1.3em;
    margin-top: 3px;
  }
  .question input[type="checkbox"] {
    max-width: 1em;
    max-height: 1em;
    min-width: 1em;
    min-height: 1em;
    margin-top: 6px;
  }

  #quizContainer label {
    font-size: 0.9em;
  }

  .review-list p {
    font-size: 1.2em;
  }
  .choice {
    font-size: 1em;
  }
  .question label {
    align-items: start;
  }

  #reviewScreen h2 {
    margin: 5px 0 15px;
    font-size: 2em;
  }
  h2 {
    font-size: 1.8em;
    margin: 22px 0;
  }

  #reviewScreen .review-item {
    padding: 1px 12px;
  }
  .choices-list {
    margin-bottom: 0;
  }

  .custom-tooltip-text {
    left: 65%;
  } /* previously 60% in a different range; keep closest behavior here */
}

/* ---- 1249–1450px small desktop tweak ---- */
@media (min-width: 1249px) and (max-width: 1450px) {
  .quiz-stats-panel {
    max-height: 150px !important;
  }
}

/* ---- 1250–1650px (desktops) ---- */
@media (min-width: 1250px) and (max-width: 1650px) {
  :root {
    --settings-size: 70px;
  }

  .container {
    overflow-y: auto;
    width: 60vw;
    margin-top: 0 !important;
    padding: 15px;
    border-radius: 0;
    font-size: 1.2rem;
  }

  .star-dropdown-wrap.custom-select.open .custom-options {
    background-color: var(--color-bg-container) !important;
  }

  .tab-button.active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -3px;
    height: 4px;
    background: var(--theme-bg);
    z-index: 4;
    pointer-events: none;
  }

  #indexTab {
    overflow-y: auto;
    max-height: 400px;
    padding: 20px 0 0;
  }
  #indexTab ul {
    padding-left: 0.7em;
  }
  #indexTab h2 {
    margin: 0;
  }

  #helpTab {
    overflow-y: auto;
    max-height: 500px;
  }

  #examsList,
  .exams ul,
  #chaptersList,
  .chapters ul {
    padding: 0;
  }

  .quiz-stats-table th,
  .quiz-stats-table td {
    padding: 5px;
  }
  .quiz-stats-table {
    font-size: 0.96em;
  }

  .quiz-stats-panel {
    max-height: 300px;
    max-width: 430px;
    margin-left: 25px;
  }

  .theme-toggles-grid {
    padding-right: 20px !important;
    padding-left: 4px;
    grid-template-columns: repeat(2, 1fr);
  }

  .quiz-footer {
    gap: 18px;
    padding: 13px 2vw 6px;
    border-radius: 0 0 12px 12px;
    margin-bottom: 5vh;
  }

  .devnotes-col #copyrightBtn {
    margin-top: 0;
    padding: 13px 46px !important;
  }

  .footer-col {
    min-width: 0;
    padding: 0 4px;
  }
  .footer-col:not(:last-child)::after {
    display: none;
  }

  .question input[type="radio"] {
    max-width: 1.3em;
    max-height: 1.3em;
    min-width: 1.3em;
    min-height: 1.3em;
    margin-top: 3px;
  }
  .question input[type="checkbox"] {
    max-width: 1em;
    max-height: 1em;
    min-width: 1em;
    min-height: 1em;
    margin-top: 3px;
  }

  #quizContainer label {
    font-size: 0.9em;
  }

  .review-list p {
    font-size: 1.2em;
  }
  .choice {
    font-size: 1em;
  }
  .question label {
    align-items: start;
  }

  #reviewScreen h2 {
    margin: 5px 0 15px;
    font-size: 2em;
  }
  h2 {
    font-size: 1.5em;
    margin: 10px 0 22px;
  }

  #reviewScreen .review-item {
    padding: 1px 12px;
  }
  .choices-list {
    margin-bottom: 0;
  }

  .custom-tooltip-text {
    left: 60%;
  }
}

/* ---- 1250–1399px hide splash ---- */
@media screen and (min-width: 1250px) and (max-width: 1399px) {
  #splashText {
    display: none;
  }
}

/* ---- 1400–1769px splash styling ---- */
@media screen and (min-width: 1400px) and (max-width: 1769px) {
  #splashText {
    position: absolute;
    top: 6%;
    right: 15%;
    font-size: 1em;
    font-weight: 900;
    color: var(--color-splash-text);
    text-shadow: 2px 2px 0 #4d4400, 0 2px 8px #0008;
    transform: rotate(5deg) scale(1.12);
    user-select: none;
    pointer-events: none;
    z-index: 9999;
    font-family: "Comic Sans MS", "Comic Sans", cursive, sans-serif;
    transition: opacity 0.5s;
    animation: splash-grow 10s infinite ease-in-out;
  }

  @keyframes splash-grow {
    0% {
      transform: rotate(10deg) scale(1.08);
    }
    45% {
      transform: rotate(10deg) scale(1.19);
    }
    55% {
      transform: rotate(10deg) scale(1.19);
    }
    100% {
      transform: rotate(10deg) scale(1.08);
    }
  }
}