/* css/components/buttons.css */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-speed) ease-in-out;
    text-align: center;
    font-family: inherit;
    line-height: 1.5;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* Primary Button */
.btn-primary {
    background-color: var(--clr-primary);
    color: #ffffff;
    border-color: var(--clr-primary);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--clr-primary-hover);
    border-color: var(--clr-primary-hover);
}

/* Secondary Button */
.btn-secondary {
    background-color: var(--clr-bg-secondary);
    color: var(--clr-text-main);
    border-color: var(--clr-border);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--clr-border);
}

/* Outline Buttons */
.btn-outline-primary {
    background-color: transparent;
    color: var(--clr-primary);
    border-color: var(--clr-primary);
}

.btn-outline-primary:hover:not(:disabled) {
    background-color: var(--clr-primary);
    color: #ffffff;
}

.btn-outline-danger {
    background-color: transparent;
    color: var(--clr-danger);
    border-color: var(--clr-danger);
}

.btn-outline-danger:hover:not(:disabled) {
    background-color: var(--clr-danger);
    color: #ffffff;
}

/* Icon Button */
.btn-icon {
    background: transparent;
    border: none;
    color: var(--clr-text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.btn-icon:hover {
    background-color: var(--clr-border);
    color: var(--clr-text-main);
}

/* Exam Specific Buttons */
.answers-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 2rem 0;
}

.answer-btn {
    text-align: left;
    justify-content: flex-start;
    padding: 1rem 1.5rem;
    background-color: var(--clr-bg-secondary);
    border: 2px solid var(--clr-border);
    color: var(--clr-text-main);
    font-size: 1rem;
    font-weight: 500;
}

.answer-btn:hover:not(:disabled) {
    border-color: var(--clr-primary);
    background-color: rgba(15, 52, 96, 0.05); /* Very light primary */
}

.answer-btn.selected {
    border-color: var(--clr-primary);
    background-color: rgba(15, 52, 96, 0.1);
}

.answer-btn.correct {
    border-color: var(--clr-success);
    background-color: rgba(40, 167, 69, 0.1);
}

.answer-btn.incorrect {
    border-color: var(--clr-danger);
    background-color: rgba(220, 53, 69, 0.1);
}

/* Accessibility Focus States */
.btn:focus-visible, .answer-btn:focus-visible, .btn-icon:focus-visible {
    outline: 3px solid var(--clr-accent);
    outline-offset: 2px;
}