:root {
    --primary-color: #6366f1;
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --secondary-color: #8b5cf6;
    --accent-color: #a855f7;
    --bg-color: #f8fafc;
    --card-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.4);
    --text-color: #0f172a;
    --light-text: #64748b;
    --border-radius: 20px;
    --shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    --glass-blur: blur(12px);
    --header-height: 100px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #0f172a;
        --card-bg: rgba(30, 41, 59, 0.7);
        --glass-border: rgba(255, 255, 255, 0.1);
        --text-color: #f1f5f9;
        --light-text: #94a3b8;
        --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    }
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

[lang="he"] {
    direction: rtl;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    background-image:
        radial-gradient(at 0% 0%, hsla(253, 16%, 7%, 1) 0, transparent 50%),
        radial-gradient(at 50% 0%, hsla(225, 39%, 30%, 1) 0, transparent 50%),
        radial-gradient(at 100% 0%, hsla(339, 49%, 30%, 1) 0, transparent 50%);
    background-attachment: fixed;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Animation */
.bg-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    width: 400px;
    height: 400px;
    background: var(--primary-color);
    filter: blur(80px);
    opacity: 0.15;
    border-radius: 50%;
    animation: move 25s infinite alternate;
}

.blob-1 {
    top: -100px;
    left: -100px;
    background: #6366f1;
    animation-delay: 0s;
}

.blob-2 {
    bottom: -100px;
    right: -100px;
    background: #a855f7;
    animation-delay: -5s;
}

.blob-3 {
    top: 40%;
    left: 30%;
    background: #ec4899;
    animation-delay: -10s;
}

@keyframes move {
    from {
        transform: translate(0, 0) scale(1);
    }

    to {
        transform: translate(100px, 100px) scale(1.2);
    }
}

/* Fixed Banner */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 20px;
}

.version-tag {
    position: absolute;
    bottom: 5px;
    right: 10px;
    font-size: 0.7rem;
    color: var(--light-text);
    opacity: 0.6;
    pointer-events: none;
}

[lang="he"] .version-tag {
    right: auto;
    left: 10px;
}

.banner-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 5px;
}

.back-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
    padding: 5px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s;
}

.back-text {
    font-size: 0.7rem;
    font-weight: normal;
    margin-top: -2px;
}

.back-btn:active {
    transform: scale(0.9);
}

[lang="he"] .back-btn i {
    transform: rotate(180deg);
}

.score-display {
    display: flex;
    align-items: center;
    font-weight: 600;
}

.score-badge {
    background-color: var(--primary-color);
    color: white;
    padding: 6px 12px;
    border-radius: 50px;
    margin-left: 8px;
    display: flex;
    align-items: center;
    gap: 1px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

[lang="he"] .score-badge {
    margin-left: 0;
    margin-right: 8px;
}

.score-max {
    font-size: 0.85rem;
    opacity: 0.8;
}

.lang-toggle {
    display: flex;
    gap: 10px;
}

.lang-btn {
    padding: 5px 12px;
    border: 1px solid var(--light-text);
    background: none;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.lang-btn.active {
    background: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

/* Page Containers */
main {
    margin-top: calc(var(--header-height) + 20px);
    padding: 20px;
    min-height: calc(100vh - var(--header-height) - 40px);
    display: flex;
    flex-direction: column;
}

.page {
    display: none;
    animation: fadeIn 0.5s ease;
    flex: 1;
}

.page.active {
    display: flex;
    flex-direction: column;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

/* Cards & Content */
.card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    padding: 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    flex: 1;
}

h1 {
    color: var(--primary-color);
    margin-top: 0;
    font-size: 1.4rem;
}

h1 small {
    font-size: 0.9rem;
    font-weight: normal;
    color: var(--light-text);
    margin-right: 5px;
}

h2 {
    color: var(--primary-color);
    margin-top: 0;
    font-size: 1.3rem;
    /* Reduced from default */
    margin-bottom: 5px;
}

.subtitle {
    font-size: 0.9rem;
    color: var(--accent-color);
    margin-bottom: 25px;
    font-style: italic;
    font-weight: 500;
}

.version-selection {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.version-label {
    font-size: 0.9rem;
    opacity: 0.8;
    margin: 0;
}

.version-btns {
    display: flex;
    gap: 10px;
}

.version-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    padding: 8px 24px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.version-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.version-btn.active {
    background: var(--primary-color);
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
    border-color: transparent;
}

/* Buttons */
.btn-container {
    display: flex;
    gap: 15px;
    margin-top: auto;
    padding-bottom: 20px;
}

.primary-btn,
.secondary-btn,
.instruction-btn {
    padding: 14px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, background 0.3s;
    flex: 1;
    text-align: center;
}

.primary-btn {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.primary-btn:hover {
    background: var(--primary-gradient);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.secondary-btn {
    background: var(--light-text);
    color: white;
}

.instruction-btn {
    background: var(--primary-color);
    color: white;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

button:active {
    transform: scale(0.98);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    padding: 30px;
    border-radius: var(--border-radius);
    max-width: calc(100% - 20px);
    width: 500px;
    max-height: 80vh;
    margin: auto;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 24px;
    cursor: pointer;
    color: var(--light-text);
}

[lang="he"] .close-modal {
    right: auto;
    left: 15px;
}

/* Info Section */
.info-text {
    font-size: 1rem;
    color: var(--text-color);
    margin-bottom: 20px;
}

.copyright {
    font-size: 0.8rem;
    color: var(--light-text);
    text-align: center;
    margin-bottom: 20px;
}

.word-list {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.word-list li {
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    margin-bottom: 10px;
    border-radius: var(--border-radius);
    font-size: 1.2rem;
    font-weight: bold;
    text-align: center;
    color: var(--primary-color);
    letter-spacing: 1px;
}

.checkbox-grid,
.checkbox-grid-2col {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}

.checkbox-grid-2col {
    grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 480px) {
    .checkbox-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .checkbox-grid-2col {
        grid-template-columns: 1fr;
    }
}

.checkbox-grid-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
}

.checkbox-grid-item input {
    width: 20px;
    height: 20px;
    margin-bottom: 5px;
}

.timer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.timer-display {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    font-family: monospace;
    margin-bottom: 10px;
}

.timer-controls {
    display: flex;
    gap: 10px;
}

.timer-btn {
    padding: 8px 16px;
    border-radius: 20px;
    border: none;
    background-color: var(--primary-color);
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s;
}

.timer-btn.secondary {
    background-color: var(--accent-color);
}

.timer-btn:active {
    transform: scale(0.95);
}

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

.checkbox-item {
    display: flex;
    align-items: center;
    padding: 12px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
    user-select: none;
}

.checkbox-item:active {
    background: #e9ecef;
}

.checkbox-item input[type="checkbox"] {
    width: 24px;
    height: 24px;
    margin-right: 15px;
    cursor: pointer;
}

[lang="he"] .checkbox-item input[type="checkbox"] {
    margin-right: 0;
    margin-left: 15px;
}

.checkbox-label {
    font-size: 1.1rem;
    color: var(--primary-color);
    flex: 1;
}

/* Mobile Adjustments */
@media (max-width: 480px) {
    .btn-container {
        flex-direction: column;
    }

    .modal-content {
        padding: 20px;
    }

    .summary-score-big {
        font-size: 3rem;
    }
}

/* Summary Display */
.summary-card {
    text-align: center;
    padding: 10px 0;
}

.summary-score-big {
    font-size: 4rem;
    font-weight: 800;
    color: var(--primary-color);
    margin: 10px 0;
    line-height: 1;
}

.summary-score-big span {
    font-size: 1.5rem;
    color: var(--light-text);
    font-weight: 400;
}

.implication-box {
    margin-top: 25px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    border-left: 5px solid var(--primary-color);
    text-align: left;
}

[lang="he"] .implication-box {
    text-align: right;
    border-left: none;
    border-right: 5px solid var(--primary-color);
}

.implication-box strong {
    display: block;
    margin-bottom: 8px;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.implication-box p {
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.4;
    color: var(--text-color);
}

.summary-breakdown {
    margin-top: 25px;
    border-top: 1px solid #eee;
    padding-top: 20px;
    text-align: left;
}

[lang="he"] .summary-breakdown {
    text-align: right;
}

.summary-breakdown ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.summary-breakdown li {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--glass-border);
    font-size: 0.95rem;
    gap: 10px;
}

[lang="he"] .summary-breakdown li {
    flex-direction: row-reverse;
}

.summary-breakdown li span {
    color: var(--light-text);
    text-align: left;
    word-break: break-word;
}

[lang="he"] .summary-breakdown li span {
    text-align: right;
}

.summary-breakdown li strong {
    color: var(--primary-color);
}

/* MIS Toggle Button */
.mis-toggle-btn {
    padding: 10px 20px;
    border: 2px solid var(--secondary-color);
    background: transparent;
    color: var(--secondary-color);
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 15px;
}

.mis-toggle-btn:hover {
    background: rgba(52, 152, 219, 0.1);
}

.mis-toggle-btn.mis-active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.mis-toggle-btn.mis-active:hover {
    background: #c0392b;
    border-color: #c0392b;
}

/* MIS Score Banner */
.mis-score-banner {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 12px 20px;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 10px;
}

.mis-score-banner strong {
    font-size: 1.3rem;
}

/* MIS View Title */
.mis-view-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0 0 5px 0;
    text-align: center;
}

/* MIS Word Groups */
.mis-word-group {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 15px;
    margin-bottom: 12px;
    border-left: 4px solid var(--secondary-color);
}

[lang="he"] .mis-word-group {
    border-left: none;
    border-right: 4px solid var(--secondary-color);
}

.mis-word-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.mis-cue {
    font-size: 0.85rem;
    font-weight: normal;
    color: var(--light-text);
    font-style: italic;
}

.mis-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

@media (max-width: 480px) {
    .mis-options {
        grid-template-columns: 1fr;
    }
}

.mis-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
    font-size: 0.9rem;
    user-select: none;
}

.mis-option:hover {
    background: rgba(255, 255, 255, 0.2);
}

.mis-option input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--secondary-color);
}

.mis-option input[type="radio"]:checked+span {
    font-weight: 600;
    color: var(--secondary-color);
}

/* MIS Summary Box */
.mis-summary-box {
    margin-top: 20px;
    padding: 15px 20px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    border-left: 5px solid var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

[lang="he"] .mis-summary-box {
    border-left: none;
    border-right: 5px solid var(--secondary-color);
}

.mis-summary-box strong {
    color: var(--primary-color);
    font-size: 1rem;
}

.mis-score-value {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--secondary-color);
}

/* Score Progress Bar */
.score-progress-container {
    margin: 25px 0 35px 0;
    position: relative;
    padding: 0 10px;
}

.score-progress-bar {
    height: 12px;
    display: flex;
    border-radius: 6px;
    overflow: hidden;
    background-color: #eee;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.score-range {
    height: 100%;
}

.score-range.severe {
    width: 33.33%;
    background-color: #e74c3c;
}

/* 0-10 */
.score-range.moderate {
    width: 26.67%;
    background-color: #e67e22;
}

/* 10-18 */
.score-range.mild {
    width: 26.67%;
    background-color: #f1c40f;
}

/* 18-26 */
.score-range.normal {
    width: 13.33%;
    background-color: #2ecc71;
}

/* 26-30 */

.score-arrow-container {
    position: absolute;
    top: -22px;
    left: 10px;
    right: 10px;
    height: 40px;
    pointer-events: none;
}

.score-arrow {
    position: absolute;
    top: 0;
    transform: translateX(-50%);
    transition: left 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--primary-color);
}

[lang="he"] .score-arrow {
    transform: translateX(50%);
    transition: right 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.score-arrow i {
    font-size: 1.2rem;
    filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.2));
}

.score-labels {
    position: relative;
    height: 18px;
    margin-top: 8px;
    font-size: 0.75rem;
    color: var(--light-text);
    font-weight: 600;
}

.score-label {
    position: absolute;
    transform: translateX(-50%);
    white-space: nowrap;
}

[lang="he"] .score-label {
    transform: translateX(50%);
}