:root {
    --ca-primary: #0d6efd;
    --ca-primary-dark: #084298;
    --ca-bg: #f5f7fb;
    --ca-card: #ffffff;
    --ca-text: #202124;
    --ca-muted: #667085;
    --ca-border: #e5eaf2;
    --ca-success: #198754;
    --ca-radius: 16px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    padding-top: 130px;
    margin: 0;
    background: var(--ca-bg);
    color: var(--ca-text);
    font-family: "Poppins", Arial, sans-serif;
    line-height: 1.75;
}

button,
input {
    font: inherit;
}

button {
    cursor: pointer;
}

.ca-container {
    width: min(100% - 28px, 900px);
    margin: 0 auto;
    padding: 36px 0 80px;
}

.ca-hero {
    padding: 30px 24px;
    margin-bottom: 24px;
    border-radius: 20px;
    background: linear-gradient(135deg, #e8f1ff, #ffffff);
    border: 1px solid #dce8ff;
}

.ca-label {
    display: inline-block;
    color: var(--ca-primary);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1px;
}

.ca-hero h1 {
    margin: 12px 0;
    font-size: clamp(25px, 5vw, 38px);
    line-height: 1.3;
}

.ca-hero p {
    color: var(--ca-muted);
    margin-bottom: 18px;
}

.ca-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 13px;
    color: var(--ca-muted);
}

.ca-meta span {
    padding: 5px 10px;
    border-radius: 8px;
    background: #ffffff;
}

.ca-section,
.news-card {
    margin-bottom: 22px;
    padding: 24px;
    background: var(--ca-card);
    border: 1px solid var(--ca-border);
    border-radius: var(--ca-radius);
    box-shadow: 0 5px 20px rgba(30, 50, 80, 0.035);
}

.ca-section h2,
.news-card h2 {
    line-height: 1.4;
}

.ca-section h2 {
    margin-top: 0;
    font-size: 23px;
}

.news-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 12px;
}

.category-badge {
    display: inline-block;
    padding: 4px 12px;
    color: #084298;
    background: #e7f0ff;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 700;
}

.category-badge.international {
    color: #6941c6;
    background: #f0eaff;
}

.news-date {
    color: var(--ca-muted);
    font-size: 12px;
}

.news-title {
    font-size: 23px;
    margin: 10px 0 20px;
}

.news-content h3 {
    font-size: 17px;
    margin: 20px 0 8px;
}

.news-content ul {
    padding-left: 22px;
}

.news-content li {
    margin-bottom: 9px;
}

.one-liner,
.static-gk,
.exam-fact {
    padding: 15px;
    margin-top: 18px;
    border-radius: 10px;
}

.one-liner {
    background: #eef5ff;
    border-left: 4px solid var(--ca-primary);
}

.static-gk {
    background: #f0fbf5;
    border-left: 4px solid var(--ca-success);
}

.exam-fact {
    background: #fff8e8;
    border-left: 4px solid #e6a700;
}

.static-gk h3 {
    margin-top: 0;
}

.static-gk p {
    margin-bottom: 0;
}

/* Quiz */

.quiz-intro {
    color: var(--ca-muted);
}

.quiz-question {
    min-width: 0;
    margin: 22px 0;
    padding: 18px;
    border: 1px solid var(--ca-border);
    border-radius: 12px;
}

.quiz-question legend {
    padding: 0 6px;
    font-weight: 700;
}

.quiz-question label {
    display: block;
    padding: 9px 10px;
    margin: 8px 0;
    border: 1px solid var(--ca-border);
    border-radius: 8px;
    cursor: pointer;
}

.quiz-question label:has(input:checked) {
    background: #eaf2ff;
    border-color: var(--ca-primary);
}

.quiz-question input {
    margin-right: 8px;
    accent-color: var(--ca-primary);
}

.answer-feedback {
    font-weight: 700;
}

.primary-btn {
    width: 100%;
    border: 0;
    border-radius: 10px;
    padding: 13px 18px;
    color: #ffffff;
    background: var(--ca-primary);
    font-weight: 700;
}

.primary-btn:hover {
    background: var(--ca-primary-dark);
}

#quiz-result {
    font-weight: 700;
    text-align: center;
}

/* Floating audio button */

.audio-float-btn {
    position: fixed;
    z-index: 1000;
    right: 18px;
    bottom: 124px;
    width: 62px;
    height: 62px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 50%;
    background: var(--ca-primary);
    color: white;
    font-size: 25px;
    box-shadow: 0 8px 25px rgba(13, 110, 253, 0.35);
}

.audio-float-btn:hover {
    transform: translateY(-2px);
}

/* Modal */

.audio-modal {
    position: fixed;
    z-index: 2000;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: rgba(15, 23, 42, 0.62);
}

.audio-modal.is-open {
    display: flex;
}

.audio-panel {
    position: relative;
    width: min(100%, 430px);
    max-height: 88vh;
    overflow-y: auto;
    padding: 25px;
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 20px 70px rgba(0, 0, 0, 0.2);
}

.audio-panel h2 {
    margin: 0 0 5px;
    font-size: 23px;
}

.audio-subtitle {
    margin-top: 0;
    color: var(--ca-muted);
    font-size: 14px;
}

.audio-close {
    position: absolute;
    top: 12px;
    right: 14px;
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 50%;
    background: #f0f2f5;
    font-size: 22px;
}

.audio-form {
    margin-top: 20px;
}

.audio-form input,
.audio-language-select {
    width: 100%;
    min-height: 46px;
    padding: 10px 12px;
    border: 1px solid #d0d5dd;
    border-radius: 9px;
    background: white;
}

.audio-form .primary-btn {
    margin-top: 12px;
}

.audio-secondary-btn,
.audio-mode-btn {
    display: block;
    width: 100%;
    padding: 13px;
    margin-top: 12px;
    border: 1px solid var(--ca-border);
    border-radius: 10px;
    background: #ffffff;
    color: var(--ca-text);
    text-align: left;
}

.audio-secondary-btn:hover,
.audio-mode-btn:hover {
    border-color: var(--ca-primary);
    background: #f4f8ff;
}

.audio-mode-btn strong {
    display: block;
    color: var(--ca-primary);
}

.audio-mode-btn span {
    display: block;
    color: var(--ca-muted);
    font-size: 13px;
}

.audio-status {
    min-height: 24px;
    margin-top: 12px;
    color: var(--ca-muted);
    font-size: 13px;
}

.audio-controls {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-top: 16px;
}

.audio-controls button {
    padding: 10px 5px;
    border: 1px solid var(--ca-border);
    border-radius: 8px;
    background: #ffffff;
}

.audio-controls button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.audio-progress {
    width: 100%;
    margin-top: 16px;
    accent-color: var(--ca-primary);
}

.audio-highlight {
    padding: 3px 5px;
    border-radius: 4px;
    background: #fff0a8;
    outline: 1px solid #e6c84f;
}

.audio-note {
    color: var(--ca-muted);
    font-size: 12px;
}

@media (max-width: 600px) {
    .ca-container {
        width: min(100% - 20px, 900px);
        padding-top: 20px;
    }

    .ca-hero,
    .ca-section,
    .news-card {
        padding: 19px;
    }

    .news-title {
        font-size: 21px;
    }

    .audio-panel {
        padding: 22px 18px;
    }

    .audio-float-btn {
        right: 15px;
        bottom: 124px;
        width: 56px;
        height: 56px;
    }
    /* ===================================
   SELECTION PRO LANGUAGE SWITCHER
=================================== */

.ca-language-switcher {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 8px;

    width: 100%;
    box-sizing: border-box;

    margin: 0 0 22px;
    padding: 12px 0;
}

.language-label {
    color: #202124;
    font-family: "Poppins", sans-serif;
    font-size: 13px;
    font-weight: 500;
}

.language-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 40px;
    padding: 8px 16px;

    box-sizing: border-box;
    border: 1px solid #d7dfeb;
    border-radius: 9px;

    background: #ffffff;
    color: #202124;

    font-family: "Poppins", sans-serif;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;

    text-decoration: none;

    transition:
        background-color 0.2s ease,
        color 0.2s ease,
        border-color 0.2s ease;
}

.language-btn:hover {
    border-color: #0d6efd;
    color: #0d6efd;
}

.language-btn.active {
    background: #0d6efd;
    border-color: #0d6efd;
    color: #ffffff;
}

.language-btn:focus-visible {
    outline: 3px solid rgba(13, 110, 253, 0.3);
    outline-offset: 3px;
}

/* Mobile */

@media (max-width: 480px) {

    .ca-language-switcher {
        justify-content: center;
        gap: 8px;
        margin-bottom: 18px;
    }

    .language-label {
        width: 100%;
        text-align: center;
        margin-bottom: 2px;
    }

    .language-btn {
        min-width: 105px;
        min-height: 42px;
        padding: 9px 14px;
        font-size: 13px;
    }

}
}