/* Button Styles */

.btn {
    font-family: 'Jost', sans-serif;
}

.btn-square {
    width: 36px;
    height: 36px;
}

.btn-sm-square {
    width: 28px;
    height: 28px;
}

.btn-lg-square {
    width: 46px;
    height: 46px;
}

.btn-square,
.btn-sm-square,
.btn-lg-square {
    padding-left: 0;
    padding-right: 0;
    text-align: center;
}

.btn-icon {
    width: 77px;
    height: 77px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/**
 * Navigation Buttons Component
 * Reusable prev/next navigation buttons for exams, practice mode, and other pages
 * 
 * Usage:
 * <div class="question-navigation">
 *   <button class="btn btn-outline-primary">Προηγούμενη</button>
 *   <button class="btn btn-primary">Επόμενη</button>
 * </div>
 */

/* Question Navigation Container */
.question-navigation {
    margin-top: 2rem;
}

/* Navigation Buttons */
.question-navigation .btn {
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 15px;
    padding: 15px 25px;
    background: white;
    color: var(--primary);
    transition: all 0.3s ease;
}

.question-navigation .btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(40, 120, 235, 0.2);
}

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

/* Primary Button (Next) */
.question-navigation .btn-primary {
    background: white;
    color: var(--primary);
    border-color: var(--primary);
}

/* .question-navigation .btn-primary:hover:not(:disabled) {
    background: #1e5bb8;
    border-color: #1e5bb8;
} */

/* Outline Button (Previous) */
.question-navigation .btn-outline-primary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
}

/* .question-navigation .btn-outline-primary:hover:not(:disabled) {
    background: var(--primary);
    color: white;
} */

/* ========================================
   CHECK ANSWER BUTTON
   Used in practice-mode and study-view
   ======================================== */

.check-answer-btn {
    /* background: linear-gradient(135deg, #28a745 0%, #218838 100%); */
    background: #52b788;
    color: #fff;
    border: 2px solid transparent;
    padding: 10px 44px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 0.5rem;
}

.check-answer-btn:hover {
    /* background: linear-gradient(135deg, #218838 0%, #1e7e34 100%); */
    /* box-shadow: 0 6px 20px rgba(40, 167, 69, 0.4); */
    border-color: #40916c;
    transform: translateY(-2px);
}

.check-answer-btn:active {
    transform: translateY(0);
}

.check-answer-btn:disabled {
    background: #6c757d;
    cursor: not-allowed;
    box-shadow: none;
    opacity: 0.6;
}

.check-answer-btn i {
    font-size: 1.2rem;
}

/* ========================================
   RESPONSIVE DESIGN - MEDIA QUERIES
   ======================================== */

/* Mobile (768px and below) */
@media (max-width: 768px) {

    /* Navigation Container */
    .question-navigation {
        padding: 8px 0;
        margin-top: 1.5rem;
    }

    /* Navigation Buttons - Compact mobile design */
    .question-navigation .btn {
        font-size: 0.7rem;
        border-radius: 8px;
        padding: 10px 5px;
        transition: none;
    }

    /* Disable hover effects on mobile */
    .question-navigation .btn:hover:not(:disabled) {
        transform: none;
        box-shadow: none;
    }

    /* Check Answer Button (using in practice-mode page)*/
    .check-answer-btn {
        padding: 5px 20px;
        font-size: 0.95rem;
        margin-top: 0px;
        margin-bottom: 0px;
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(40, 167, 69, 0.3);
    }

    .check-answer-btn i {
        font-size: 0.95rem;
    }
}

/* Extra Small Mobile (576px and below) */
@media (max-width: 576px) {

    /* Add horizontal margin from device edges */
    .question-navigation {
        padding-left: 5px;
        padding-right: 5px;
    }

    /* Check Answer Button - Ultra compact spacing */
    .check-answer-btn {
        margin-top: 5px;
        margin-bottom: 5px;
        padding: 5px 16px;
    }
}