/* Button Components */
.button-group {
    display: flex;
    gap: 16px;
    margin-top: auto;
    padding-top: 8px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 24px;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    font-family: 'Poppins', 'Inter', sans-serif;
    letter-spacing: 0.01em;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    color: white;
    flex: 1;
    box-shadow: 0 4px 14px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-800) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, white 0%, var(--gray-50) 100%);
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.btn-secondary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    border-color: var(--gray-300);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

.btn-danger {
    background: linear-gradient(135deg, var(--error-500) 0%, var(--error-600) 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--error-600) 0%, var(--error-700) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.btn:disabled::before {
    display: none;
}

.btn-session-action {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-session-action:hover {
    background: var(--gray-200);
    border-color: var(--gray-300);
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.btn-session-action:active {
    transform: translateY(0);
}