/* ========== styles.css – Global Theme & Components ========== */
/* ---------- THEME DEFINITIONS (Four themes) ---------- */
:root {
    /* Default theme (dark) – will be overridden by data-theme */
    --bg-gradient: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.6);
    --glass-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.3);
    --text-primary: #1a2a3a;
    --text-secondary: #334155;
    --header-text: #ffffff;
    --toggle-bg: #374151;
    --toggle-active: #2dd4bf;
    --accent-universal: #d63384;
    --accent-airway: #0ca678;
    --accent-cardio: #e03131;
    --accent-resus: #6741d9;
    --accent-neuro: #0891b2;
    --accent-medical: #f76707;
    --accent-trauma: #fcc419;
    --accent-environmental: #845ef7;
    --accent-pediatric: #ff922b;
    --accent-obstetric: #f06595;
    --accent-mci: #2f9e44;
    --accent-scope: #495057;
    --btn-grad-sum: linear-gradient(180deg, #fff7ed 0%, #ffedd5 100%);
    --btn-grad-flash: linear-gradient(180deg, #eff6ff 0%, #dbeafe 100%);
    --btn-grad-quiz: linear-gradient(180deg, #f0fdf4 0%, #dcfce7 100%);
    --btn-grad-scen: linear-gradient(180deg, #fef2f2 0%, #fee2e2 100%);
    --border-sum: #ffedd5; --text-sum: #9a3412;
    --border-flash: #dbeafe; --text-flash: #1e40af;
    --border-quiz: #dcfce7; --text-quiz: #166534;
    --border-scen: #fee2e2; --text-scen: #991b1b;
    --primary-accent: #0056b3; /* added */
}

/* Light theme */
[data-theme="light"] {
    --bg-gradient: linear-gradient(135deg, #e0f2fe 0%, #b8e1ff 50%, #f0f9ff 100%);
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(255, 255, 255, 0.8);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
    --text-primary: #1a2a3a;
    --text-secondary: #475569;
    --header-text: #0056b3;
    --toggle-bg: #cbd5e1;
    --toggle-active: #0056b3;
    --primary-accent: #0056b3;
}

/* Sepia theme (warm, vintage) */
[data-theme="sepia"] {
    --bg-gradient: linear-gradient(135deg, #f4e4c1 0%, #e5d3b3 50%, #d6c2a3 100%);
    --glass-bg: rgba(255, 248, 235, 0.9);
    --glass-border: rgba(210, 180, 140, 0.6);
    --glass-shadow: 0 12px 40px 0 rgba(100, 70, 40, 0.2);
    --text-primary: #4a3c2c;
    --text-secondary: #6b5a48;
    --header-text: #4a3c2c;
    --toggle-bg: #c4a484;
    --toggle-active: #8b6b4f;
    --primary-accent: #8b6b4f;
}

/* Forest theme (calm green) */
[data-theme="forest"] {
    --bg-gradient: linear-gradient(135deg, #1e4b3e 0%, #2d6a4f 50%, #40916c 100%);
    --glass-bg: rgba(220, 237, 193, 0.85);
    --glass-border: rgba(162, 191, 132, 0.7);
    --glass-shadow: 0 12px 40px 0 rgba(0, 50, 30, 0.3);
    --text-primary: #0f2c1f;
    --text-secondary: #2d5a3a;
    --header-text: #edf4e7;
    --toggle-bg: #52796f;
    --toggle-active: #84a98c;
    --primary-accent: #84a98c;
}

/* Shared variables – do not change with theme */
:root {
    --header-height: 72px;
}

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background 0.5s ease;
}

/* ---------- HEADER ---------- */
header {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-text h1 {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--header-text);
    margin: 0;
    text-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-text p {
    font-size: 0.75rem;
    color: var(--header-text);
    opacity: 0.8;
    font-weight: 500;
    margin-top: 2px;
}

.icon-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--header-text);
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s;
}

.icon-btn:active {
    transform: scale(0.95);
    background: rgba(255,255,255,0.4);
}

.stats-badge {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--header-text);
    display: flex;
    align-items: center;
    gap: 10px;
    backdrop-filter: blur(10px);
}

.stats-divider {
    width: 1px;
    height: 14px;
    background: currentColor;
    opacity: 0.4;
}

/* ---------- MAIN LAYOUT ---------- */
main {
    flex: 1;
    padding: 24px 20px;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

/* ---------- SECTION TABS ---------- */
.section-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    overflow-x: auto;
    padding-bottom: 5px;
}

.section-tab {
    background: rgba(255,255,255,0.2);
    color: white;
    border: none;
    border-radius: 30px;
    padding: 10px 20px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
}

.section-tab.active-tab {
    background: #0056b3;
    color: white;
    box-shadow: 0 4px 10px rgba(0,86,179,0.3);
}

/* ---------- SUMMARY CARD ---------- */
.sum-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 28px;
    box-shadow: var(--glass-shadow);
    animation: fadeInUp 0.6s ease forwards;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.sum-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    border-bottom: 2px solid var(--accent-universal);
    padding-bottom: 10px;
}

.sum-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 30px 0 15px;
}

.sum-card p {
    margin: 15px 0;
    line-height: 1.6;
    color: var(--text-secondary);
}

.sum-card ul {
    margin-left: 25px;
    margin-bottom: 20px;
}

.sum-card li {
    margin-bottom: 8px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.sum-card strong {
    color: var(--text-primary);
}

.highlight-box {
    background: rgba(0, 123, 255, 0.1);
    color: #004085;
    font-weight: 600;
    border-left: 4px solid #007bff;
    padding: 15px;
    margin-top: 15px;
    border-radius: 0 8px 8px 0;
}

.red-flag {
    border-left-color: #dc3545;
}

.red-flag h3 {
    color: #dc3545;
    border-bottom-color: #dc3545;
}

.red-flag .highlight-box {
    background: #fff3cd;
    border-left-color: #856404;
}

/* ---------- QUIZ SETUP ---------- */
.quiz-setup-container {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 28px;
    box-shadow: var(--glass-shadow);
    animation: fadeInUp 0.6s ease forwards;
}

.setup-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
}

.setup-btn {
    background: white;
    padding: 18px;
    border-radius: 15px;
    font-size: 1rem;
    font-weight: 600;
    color: #444;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: all 0.2s;
    border: 1px solid transparent;
    cursor: pointer;
}

.setup-btn:active {
    transform: scale(0.98);
    background: #f0f8ff;
    border-color: #007bff;
}

.setup-btn.challenge {
    background: linear-gradient(to right, #fff8e1, #fff);
    border: 1px solid #ffe082;
    color: #b7791f;
}

/* ---------- QUIZ GAME ---------- */
.quiz-container {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 28px;
    box-shadow: var(--glass-shadow);
    animation: fadeInUp 0.6s ease forwards;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 15px;
}

.option-btn {
    padding: 18px;
    background: rgba(255,255,255,0.8);
    border: 1px solid rgba(0,0,0,0.05);
    border-radius: 12px;
    text-align: left;
    font-size: 1rem;
    color: #333;
    line-height: 1.4;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: all 0.2s;
    cursor: pointer;
}

.option-btn:active {
    background: #f0f0f0;
    transform: scale(0.99);
}

.option-btn.correct {
    background: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
    box-shadow: inset 0 0 0 2px #c3e6cb;
}

.option-btn.wrong {
    background: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
    box-shadow: inset 0 0 0 2px #f5c6cb;
}

.quiz-feedback, .critical-feedback {
    margin-top: 25px;
    padding: 20px;
    border-radius: 12px;
    background: rgba(255,255,255,0.9);
    border-left: 5px solid #ccc;
    display: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* ---------- FLASHCARD 3D ---------- */
.scene {
    width: 100%;
    height: 380px;
    perspective: 1000px;
    margin: 20px 0;
    touch-action: pan-y;
}

.card {
    width: 100%;
    height: 100%;
    position: relative;
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
    border-radius: 24px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
    transform: translateZ(0);
}

.card.is-flipped {
    transform: rotateY(180deg);
}

.card__face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 30px;
    text-align: center;
    border-radius: 24px;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.8);
    transform: translateZ(0);
}

.card__face--front {
    color: #004e92;
}

.card__face--back {
    background: linear-gradient(135deg, #005c97 0%, #363795 100%);
    color: white;
    transform: rotateY(180deg);
    overflow-y: auto;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
    font-size: 1.1rem;
    line-height: 1.5;
    white-space: pre-wrap;
}

.category-badge {
    background: #e1f5fe;
    color: #0277bd;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.fc-progress {
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.5);
    padding: 6px 12px;
    border-radius: 30px;
    margin: 0 auto 20px;
    width: fit-content;
}

/* ---------- CRITICAL SCENARIOS ---------- */
.critical-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 28px;
    box-shadow: var(--glass-shadow);
}

/* ---------- MISTAKES REVIEW ---------- */
.mistake-item {
    background: #fff3cd;
    border-left: 5px solid #ffeeba;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 12px;
}

/* ---------- NAVIGATION BUTTONS ---------- */
.control-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    background: var(--btn-grad-sum);
    color: var(--text-sum);
    border: 1px solid var(--border-sum);
}

.control-btn:active {
    transform: translateY(1px);
    box-shadow: none;
}

.control-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.nav-row {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin: 20px 0;
}

.nav-row button {
    background: linear-gradient(to bottom, #00b4db, #0083b0);
    border: none;
    color: white;
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 40px;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    transition: transform 0.1s, box-shadow 0.1s;
    min-width: 140px;
}

.nav-row button:active {
    transform: scale(0.96);
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.nav-row button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.section-nav-row {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-top: 15px;
}

.section-nav-row button {
    background: #e2e8f0;
    color: #1e293b;
    border: 1px solid #94a3b8;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 40px;
    font-size: 0.9rem;
    cursor: pointer;
    flex: 1;
    transition: background 0.2s;
}

.section-nav-row button:hover {
    background: #cbd5e1;
}

.section-nav-row button:disabled {
    opacity: 0.4;
    pointer-events: none;
}

/* ---------- STATS CARD (full) ---------- */
.stats-card {
    background: var(--glass-bg);
    border-radius: 24px;
    padding: 28px;
    margin-top: 40px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    animation: fadeInUp 0.8s ease forwards;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.progress-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.progress-container {
    height: 12px;
    background: rgba(0,0,0,0.05);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 24px;
}

.progress-bar {
    height: 100%;
    border-radius: 10px;
    background: linear-gradient(90deg, #3b82f6, #0056b3);
    transition: width 1s ease-out;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.stat-box {
    background: rgba(0,0,0,0.03);
    padding: 16px;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    border: 1px solid rgba(0,0,0,0.05);
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.encouragement {
    margin-top: 20px;
    padding: 16px;
    border-radius: 16px;
    background: var(--btn-grad-flash);
    color: var(--text-flash);
    font-weight: 600;
    text-align: center;
    border: 1px solid var(--border-flash);
}

/* ---------- MENU CARDS (for index) ---------- */
.menu-grid {
    display: grid;
    gap: 20px;
}

.menu-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 24px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    transform: translateZ(0);
    animation: fadeInUp 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
    opacity: 0;
    transform: translateY(20px);
    transition: transform 0.2s, box-shadow 0.2s;
}

.menu-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.15);
}

.menu-card[data-chapter] {
    border-left: 6px solid transparent;
}

.menu-card[data-chapter="universal"] { border-left-color: var(--accent-universal); }
.menu-card[data-chapter="airway"] { border-left-color: var(--accent-airway); }
.menu-card[data-chapter="cardio"] { border-left-color: var(--accent-cardio); }
.menu-card[data-chapter="resus"] { border-left-color: var(--accent-resus); }
.menu-card[data-chapter="neuro"] { border-left-color: var(--accent-neuro); }
.menu-card[data-chapter="medical"] { border-left-color: var(--accent-medical); }
.menu-card[data-chapter="trauma"] { border-left-color: var(--accent-trauma); }
.menu-card[data-chapter="environmental"] { border-left-color: var(--accent-environmental); }
.menu-card[data-chapter="pediatric"] { border-left-color: var(--accent-pediatric); }
.menu-card[data-chapter="obstetric"] { border-left-color: var(--accent-obstetric); }
.menu-card[data-chapter="mci"] { border-left-color: var(--accent-mci); }
.menu-card[data-chapter="scope"] { border-left-color: var(--accent-scope); }

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.status-badge {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-secondary);
    background: rgba(0,0,0,0.06);
    padding: 4px 10px;
    border-radius: 6px;
}

.menu-card h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 6px 0;
    line-height: 1.3;
}

.menu-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0 0 20px 0;
    line-height: 1.5;
}

.menu-sub-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 10px;
}

.btn-action {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.btn-action:active {
    transform: translateY(1px);
    box-shadow: none;
}

.btn-summary {
    background: var(--btn-grad-sum);
    color: var(--text-sum);
    border: 1px solid var(--border-sum);
}

.btn-flash {
    background: var(--btn-grad-flash);
    color: var(--text-flash);
    border: 1px solid var(--border-flash);
}

.btn-quiz {
    background: var(--btn-grad-quiz);
    color: var(--text-quiz);
    border: 1px solid var(--border-quiz);
}

.btn-scenario {
    background: var(--btn-grad-scen);
    color: var(--text-scen);
    border: 1px solid var(--border-scen);
}

/* ---------- TOGGLE (for completion) ---------- */
.toggle-wrapper {
    position: relative;
    z-index: 5;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.toggle-input {
    display: none;
}

.toggle-track {
    width: 44px;
    height: 24px;
    background: var(--toggle-bg);
    border-radius: 20px;
    position: relative;
    transition: background 0.3s;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.toggle-track::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.toggle-input:checked + .toggle-track {
    background: var(--toggle-active);
}

.toggle-input:checked + .toggle-track::after {
    transform: translateX(20px);
}

/* ---------- FOOTER ---------- */
/* ---------- FOOTER ---------- */
footer {
    text-align: center;
    padding: 30px 20px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    background: rgba(0, 0, 0, 0.3);        /* slightly darker */
    backdrop-filter: blur(5px);
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    margin-top: auto;
    width: 100%;
    box-sizing: border-box;
    box-shadow: 0 -5px 20px rgba(255, 255, 255, 0.15); /* stronger glow */
}

footer div:first-child {
    font-weight: 500;
    margin-bottom: 4px;
}

footer div:last-child {
    opacity: 0.9;
    font-size: 0.7rem;
}

footer a {
    color: inherit;
    text-decoration: underline;
}

/* Dark mode specific – lighter text */
[data-theme="dark"] footer {
    color: rgba(255, 255, 255, 0.9);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 600px) {
    .header-text h1 {
        font-size: 1rem;
    }
    .header-text p {
        display: none;
    }
    .section-nav-row {
        flex-direction: column;
    }
    .nav-row button {
        padding: 10px 20px;
        min-width: 120px;
    }
    .quiz-container, .quiz-setup-container, .critical-card, .sum-card {
        padding: 20px;
    }
    .sum-card h3 {
        font-size: 1.3rem;
    }
}

/* ========== ADDED: Remove ugly focus outlines / tap highlights ========== */
button,
.icon-btn,
.control-btn,
.btn-action,
.btn-flash,
.btn-quiz,
.btn-scenario,
.setup-btn,
.download-btn,
.float-btn,
.toggle-btn,
.section-tab,
.option-btn,
#nextQuizBtn,
#nextCriticalBtn,
[class*="btn"] {
    outline: none !important;
    box-shadow: none !important;
    -webkit-tap-highlight-color: transparent !important;
    -webkit-focus-ring-color: transparent !important;
    user-select: none; /* optional: prevent text selection on double‑tap */
}

/* Firefox specific: remove focus ring */
button::-moz-focus-inner,
.icon-btn::-moz-focus-inner,
.control-btn::-moz-focus-inner {
    border: 0;
    padding: 0;
    outline: none;
}

/* For all focusable elements, you may also want to disable focus-visible */
:focus-visible {
    outline: none !important;
}
/* ===== GLOBAL RESET: Remove tap highlights and focus outlines ===== */
/* Remove tap highlight on mobile browsers */
* {
    -webkit-tap-highlight-color: transparent !important;
    -webkit-focus-ring-color: transparent !important;
    outline: none !important;
}

/* Target all interactive elements specifically */
button,
.button,
[role="button"],
a,
a:visited,
input,
select,
textarea,
[tabindex],
.icon-btn,
.control-btn,
.btn-action,
.btn-flash,
.btn-quiz,
.btn-scenario,
.setup-btn,
.download-btn,
.float-btn,
.toggle-btn,
.section-tab,
.option-btn,
#nextQuizBtn,
#nextCriticalBtn,
[class*="btn"] {
    outline: none !important;
    box-shadow: none !important;
    -webkit-tap-highlight-color: transparent !important;
    -webkit-focus-ring-color: transparent !important;
    user-select: none; /* optional: prevent text selection on double-tap */
}

/* Remove Firefox inner focus ring */
button::-moz-focus-inner,
[role="button"]::-moz-focus-inner,
a::-moz-focus-inner,
.icon-btn::-moz-focus-inner,
.control-btn::-moz-focus-inner,
[class*="btn"]::-moz-focus-inner {
    border: 0 !important;
    padding: 0 !important;
    outline: none !important;
}

/* Disable focus-visible completely (use with caution) */
:focus-visible {
    outline: none !important;
    box-shadow: none !important;
}

/* Also disable any default focus styles on active/pressed states */
:active,
:focus {
    outline: none !important;
    box-shadow: none !important;
}