/* ============================================
   ÁLGEBRA LAB - Components
   ============================================ */

/* Home Screen */
.screen-home {
    max-width: 1200px;
    margin: 0 auto;
}

.home-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    padding: 3rem 0;
    min-height: 60vh;
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-elements {
    position: relative;
    width: 280px;
    height: 280px;
}

.float-element {
    position: absolute;
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    background: var(--color-surface);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: float 3s ease-in-out infinite;
}

.float-x {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
    color: var(--color-secondary);
}

.float-plus {
    top: 5%;
    right: 20%;
    animation-delay: 0.5s;
    color: var(--color-accent);
}

.float-2 {
    top: 40%;
    left: 0;
    animation-delay: 1s;
}

.float-eq {
    top: 35%;
    right: 5%;
    animation-delay: 1.5s;
    color: var(--color-secondary);
}

.float-y {
    bottom: 15%;
    left: 20%;
    animation-delay: 2s;
    color: var(--color-accent);
}

.float-exp {
    bottom: 25%;
    right: 15%;
    animation-delay: 2.5s;
    font-size: 1.5rem;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

.hero-badge {
    position: absolute;
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    animation: pulse 2s ease-in-out infinite;
}

.badge-icon {
    font-size: 3rem;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.hero-content {
    max-width: 500px;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-title .highlight {
    color: var(--color-secondary);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}

.hero-features {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.feature-icon {
    font-size: 1.25rem;
}

.home-modules {
    padding: 2rem 0;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.module-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.module-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
    transition: var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.module-card:hover:not(.locked) {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-secondary);
}

.module-card.locked {
    opacity: 0.6;
    cursor: not-allowed;
}

.module-card.completed {
    border-color: var(--color-success);
}

.module-card.current {
    border-color: var(--color-secondary);
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.05) 0%, rgba(20, 184, 166, 0.1) 100%);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.card-number {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.module-card.completed .card-number {
    background: var(--color-success);
}

.module-card.locked .card-number {
    background: var(--color-border);
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    flex: 1;
}

.card-icon {
    font-size: 1.5rem;
}

.card-description {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.card-progress {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-progress-bar {
    flex: 1;
    height: 6px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.card-progress-fill {
    height: 100%;
    background: var(--gradient-secondary);
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
}

.card-progress-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    min-width: 36px;
    text-align: right;
}

.card-lock {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.25rem;
}

.card-check {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 24px;
    height: 24px;
    background: var(--color-success);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Lesson Screen */
.lesson-container {
    max-width: 800px;
    margin: 0 auto;
}

.lesson-progress {
    margin-bottom: 2rem;
}

.lesson-progress-bar {
    height: 8px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.lesson-progress-fill {
    height: 100%;
    background: var(--gradient-secondary);
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
}

.lesson-progress-steps {
    display: flex;
    justify-content: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.lesson-progress-steps span:first-child {
    font-weight: 700;
    color: var(--color-primary);
}

.lesson-content {
    background: var(--color-surface);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    min-height: 400px;
    margin-bottom: 1.5rem;
}

.lesson-navigation {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

/* Step Content */
.step-container {
    animation: slideIn var(--transition-normal);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

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

.step-header {
    margin-bottom: 1.5rem;
    text-align: center;
}

.step-number {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.step-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.step-theory {
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.05) 0%, rgba(20, 184, 166, 0.05) 100%);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--color-primary);
}

.step-theory p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.step-theory p:last-child {
    margin-bottom: 0;
}

.step-theory strong {
    color: var(--color-primary);
}

.step-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    margin-bottom: 1.5rem;
    min-height: 200px;
}

.step-interaction {
    background: var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
}

.interaction-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.interaction-title::before {
    content: '🎯';
}

/* Quiz Screen */
.quiz-container {
    max-width: 700px;
    margin: 0 auto;
}

.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--color-border);
}

.quiz-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.quiz-progress {
    background: var(--color-border-light);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    color: var(--color-text-secondary);
}

.quiz-content {
    background: var(--color-surface);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.quiz-question {
    margin-bottom: 2rem;
}

.question-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.quiz-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--color-border-light);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-fast);
}

.quiz-option:hover {
    border-color: var(--color-secondary);
    background: rgba(20, 184, 166, 0.1);
}

.quiz-option.selected {
    border-color: var(--color-primary);
    background: rgba(30, 58, 95, 0.1);
}

.quiz-option.correct {
    border-color: var(--color-success);
    background: var(--color-success-light);
}

.quiz-option.incorrect {
    border-color: var(--color-error);
    background: var(--color-error-light);
}

.option-marker {
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.quiz-option.selected .option-marker {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: white;
}

.quiz-option.correct .option-marker {
    border-color: var(--color-success);
    background: var(--color-success);
    color: white;
}

.quiz-option.incorrect .option-marker {
    border-color: var(--color-error);
    background: var(--color-error);
    color: white;
}

.option-text {
    flex: 1;
}

.quiz-feedback {
    margin-top: 1.5rem;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: fadeIn var(--transition-fast);
}

.quiz-feedback.correct {
    background: var(--color-success-light);
    color: #065f46;
}

.quiz-feedback.incorrect {
    background: var(--color-error-light);
    color: #991b1b;
}

.quiz-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.btn-hint {
    background: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.btn-hint:hover {
    background: var(--color-accent);
    color: white;
}

/* Module Complete Screen */
.complete-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 2rem 0;
}

.complete-celebration {
    margin-bottom: 2rem;
}

.celebration-icon {
    font-size: 4rem;
    animation: bounce 1s ease infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

.complete-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    margin: 1rem 0;
}

.complete-module-name {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

.complete-summary {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: 2rem;
    margin-bottom: 2rem;
    text-align: left;
    box-shadow: var(--shadow-md);
}

.complete-summary h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.takeaways-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.takeaways-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--color-border-light);
    border-radius: var(--radius-md);
}

.takeaways-list li::before {
    content: '✓';
    color: var(--color-success);
    font-weight: 700;
}

.complete-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2rem;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-secondary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.complete-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

/* Results Screen */
.results-container {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.results-header {
    margin-bottom: 2rem;
}

.results-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
}

.results-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
}

.results-content {
    background: var(--color-surface);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

/* Keyword Cards */
.keywords-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    padding: 1rem;
}

.keyword-card {
    padding: 1.25rem 1rem;
    border-radius: var(--radius-xl);
    text-align: center;
    font-weight: 600;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 80px;
    height: auto;
    border: 2px solid transparent;
    cursor: default;
    word-break: break-word;
    hyphens: auto;
}

.keyword-card.sum {
    background: var(--color-success-light);
    color: #065f46;
    border-color: rgba(16, 185, 129, 0.2);
}

.keyword-card.sub {
    background: var(--color-error-light);
    color: #991b1b;
    border-color: rgba(239, 68, 68, 0.2);
}

.keyword-card.mult {
    background: rgba(249, 115, 22, 0.15);
    color: #c2410c;
    border-color: rgba(249, 115, 22, 0.2);
}

.keyword-card.div {
    background: rgba(139, 92, 246, 0.15);
    color: #6d28d9;
    border-color: rgba(139, 92, 246, 0.2);
}