/* Tools Page Styles */
.tools-section {
    padding: var(--spacing-xl) var(--spacing-md);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.tool-card {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 4px 15px var(--shadow);
    transition: var(--transition);
}

.tool-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px var(--shadow-lg);
}

.tool-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.tool-icon i {
    font-size: 2.5rem;
    color: white;
}

.tool-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-primary);
}

.tool-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Flashcard Styles */
.flashcard-container {
    padding: var(--spacing-xl);
    text-align: center;
}

.flashcard {
    perspective: 1000px;
    width: 100%;
    max-width: 500px;
    height: 300px;
    margin: 0 auto var(--spacing-xl);
    cursor: pointer;
}

.flashcard-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flashcard.flipped .flashcard-inner {
    transform: rotateY(180deg);
}

.flashcard-front,
.flashcard-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px var(--shadow-lg);
}

.flashcard-front {
    background: var(--gradient-primary);
    color: white;
}

.flashcard-back {
    background: var(--gradient-success);
    color: white;
    transform: rotateY(180deg);
}

.flashcard-front h3,
.flashcard-back h3 {
    font-size: 2.5rem;
    font-family: var(--font-primary);
}

.flashcard-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

#cardCounter {
    font-weight: 600;
    color: var(--text-secondary);
}

/* Quiz Styles */
.quiz-container {
    padding: var(--spacing-xl);
}

.quiz-timer {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-lg);
}

.quiz-timer i {
    margin-right: 0.5rem;
}

.quiz-score {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.quiz-question {
    font-size: 1.3rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.quiz-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.quiz-options button {
    width: 100%;
}